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Łio v e r m n g e q u a tio n : p L V - /ı/ ılıj ı

S o lu tio n o f th is e q u a tio n is - e (W /p c v )t To Tf

w h e r e T ï û u id te m p e r a tu r e

T o - in itia l b o dy te m p e r a tu r e

T - te m p e r a tu r e a t a n y tim e

C - s p e c ific h e a t o f th e ın a te r ia l J/(k g K )

p - m a te 6 a 1 d e n s ity k glm a

A - s u r ti n c e a r e a m 2

V - v o lu m e o f m a te r ia l m 3

a s u b s ta n c e th a t

(a ) c a n n o t b e s u bje c te d to s h e a r fo r c e s

(b ) a lw a y s e x p a n d s u n til it fills a n y c o n ta in e r

(c )h a s th e s a m e sh e a r s tr e s s a t a p o in t r e g a r d le e e o fits m o tio n

(d ) c a n n o t r e m a in a t r e s t u n d e r a c tio n o f a n y s h e a r fo r c e

(e )O o w s

2 F lu id is a s u b s ta n c e w h ich o ffe r s n o r e s is ta n c e to c h a n g e o f

(a )p r e s s u r e (b ) flo w

(c ) s h a p e (d ) v o lu m e

(e ) te m p e r a tu r e a P r a c tic a l flu id s

(a ) a r e v is c o u s (b)p o s s e s B s u r fa c e te n s io n

(c ) a r e c o m p r e s s ible

(d )p o s s e s s a ll th e a bo v e p r o p e r tie s

(e )p o s s e s s n o n e o f th e a b o v e p r o p e r tie s

4 In a s ta tic H u id

(a )r e s is ta n c e to s h e a r s tr e s s is s m a ll

(b)Ðu id p r e s s u r e is z e r o

(e )lin e a r d e fo rm a tio n is s m a ll

(d ) o n ly n o r m a l s tr e s s e s c a n e x is t

(e ) v is c o s ity is n il

5 A H u id is s a id to b e id e a l if it is

(a )in c o m p r e s s ib le (b ) in v is c o u s

(c )v is c o u s a n d in c o m p r e s s ible

(d ) in v is c o u s a n d c o m p r e s s ible

(e )in v is co u s a n d in co m p r e s s ible

6 A n id e a l n o w o f a n y H u id m u s t fu lfıll th e fo llo w in g

(a )N e w to n B la w o f m o tio n

(b )N e w to n s la w o f v is c o s ity

(c )P a s c a ľ la w

(d )C o n tin u ity e q u a tio n (e )B o u n d a ry la y e r th e o ry

7 Ifn o r e s is ta n c e iße n c o u n te r e d by d is p la c e m e n t s u c h a s u b ßta n ce ie k n o w n a s

(a ) O u id (b) w a te r

(c )g a s (d ) p e r fe c t s o lid

(e )id e a lfı u id

T h e v o h rm e tń c c h a n g e o fth e flu id c a u s e d by a r e g ia ta n c e is k n o w n a s

:E Q U E S T IO N S

(a ) v o lu m e tric e tra in

(c ) c o m p r e H a ibiïity

(e ) c o h e e ia n

9 L iq u id e

(a )c a n n o t b e c o m p re e ße d

(b) o c c u py d e fin ite v o lu m e

(c ) a r e n o t a ffe c te d by c h a n g e in p re a a u re a n d te m p e r a tu r e

(d ) a r e n o t v is co u s fe ) n o n e o f th e a b o v e

10 D e n s ity o f w a te r ie m a x im u m a t

(a )0 C (b ) 0 K

(c ) 4 C {d ) 100 C

le ) 2 0 C

1 1 M a s s d e n e ity o fliq u id (p ) is g iv e n by

M a s s M e tric

(a ) P = V o lu m e (b) Pm 2

k g e e c 2 w ı P m 4 \a l a ıl 0 1 ın e a o o v e

(e ) n o n e o f th e a bo v e

12 T h e v a ı u e o fm a s a d e n s ity in k g a e d /m 4 fo r w a te r a t

0 C is

(a ) 1 (b ) 100 0

(c ) 10 0 (d ) 10 1 9

(e ) 9 8 1

13 U n it8 o f m a s s d e n s ity is

(a ) k g/k m (b )k g/m a

14 P r o p e r ty o f a n u id by w hic h its o w n m o le c u le s a re

a ttr a c te d i8 c a lle d

(a ) a dh e s io n (b ) c o h e e io n

(e ) v is c o 8 ity (d ) c o m p r e g a ibility

(e ) s u r fa ce te n s io n 16 M e r c u ry d o e s n o t w e t g la a e T his ia d u e to p r o p e r ty

o f liq u id k n o w n a s

(a ) a dh e s io n (b ) co h e e io n

(c ) s u r fa c e te n e io n (d ) v ie c o ßity

(e ) c o m p r e e e ibility (b ) v o lu m e tric in d e x {d ) a dh e e io n

Uı D M E C H A N ı C S

16 T h e p r o p e r ty o f a O u

s ile s tr e s s is 】 £n o w n

(a ) c o m p r e s s ibility

(c ) c o h e s io n

(e ) v is c o s ity

17 P r o p e r ty o f a n u id by w h ic h m o le c u le s o f d iffe r e n t kin d s o f O u id s a r e a ttr a a e d to e a c h o th e r i8 c a lı e d

(a ) a dh e s io n (b ) c o h e s io n

(c j v is c o s ity (dh c o m p re s s ib ility

(e ) s u r fa c e te n s io n

18 T h e s p e c ific w e ig h t o f w a te r is 10 0 0 k p/m

(a ) a t n o r m a l p r e s s u r e o f 76 0 m m

(b ) a t 4 C te m pe r a tu r e (c ) a t m e a n s e a le v e l

(d ) a ll th e a bo v e (e ) n o n e o f th e a b o v e

ı9 S p e c ific w e ig h t o f w a te r in S I u n its is e q u a l to

(a ) 100 0 N /m J (b ) 10 00 0 N ln ı a

(c ) 9 8 1 × 10 3 N /m 3 (d ) 9 8 1 × 10 6 N /m 3

(e ) 9 8 1 N /n ı 3

2 0 W n e n th e n o w p a r a m e te rs a t a ııy giv e n iıı s ta n t r e m a itıs a m e a t e v e ry p o in t th e n O o w is s a id

(a ) q u a s i s ta tic (b ) s te a dy s ta te

(c ) la m in a r (山 u n ifo r m

(e ) s ta tic

2 1 W n ic h o f tłıe fo llo w in g is d im e n s io n le s s ?

(a ) SPecific Ţr e ig h t (b ) s p e c ific v o ı u m e

(c ) s p e c ific s p e e d td ) s p e c ific gravit

(e ) s p e c ific \i s c o s ity

22 T h e n o m ıa l s tr e s s in a flu id w ill be c o n s ta n t in a ll

e c tio n s a t a p o in t o n ly if

(a ) it is in c o m p r e s s ible

(b ) it h a s u n ifo r m v is c o s ity

(c ) it h a s z e r o v is c o s ity

íd ) it i5 fn c tio n le s s

(e ) it is a t r e s t

23 T h e p r e s s u r e a t a p o in t in a flu id w ill n o t b e s a m e in

a ll th e dir e c tio n s w h e n th u flu id i8

(a ) m o v in g (b ) v is c o tıs

(c ) v is c o u s a n d s ta tic (d ) in v is c o u s a n d m o v in g

(e ) v is c o u s a n d m o v in g

24 A n o bje c t h a v in g 10 kg m a s s w e igh ts 9 8 1 kg o n a s p ń n g b a la n c e T h e v a lu e o f ¢a t th iß p la c e is

(a ) 10 m /s e c 2 (b ) 9 8 1 m ls e c 2

(c ) 10 2/m s e c {ct) 9 75 m /s e c 2

le j 9 m /s e c 2

2 5 T h e te n d e n cy o f a liq u id s ıı r fa c e to c o n tr a c t iß d u e to th e fo llo w in g p r o p e r ty

(a ) m h e s io n (b ) a dh e s io n (c ) v is c o s ity (d ) s u r fa c e te n s io n

(e ) e la s tic ity

26 T h e s u r fa c e tp n s io n o f n ıe r c u ry a t n o r m a l te m p e r a

tu r e c o m p a r e d to th a t o f w a te r i5

(a ) m o r e (b )le s s

(e ) s a n ıe

(d ) n ı o r e o r le s s d e p e n d in g o n s iz e o f gla s s tu be

(e ) n o n e o f th e a b o v e

(c ) r í M a in s c o n s ta ııt tid w h ic h e n a b le s it to r e s iB t te n a s (b ) s u r fa c e te n s io n (d ) a dh e s io n

2 7 A p e r fe ct g a s (a )h a s e o n e ta n t v ia c o s ity

(b )h a s z e r o v ia c o a ity

(c ) i8 in c o m p r e e s ible

(d ) i8 o f th e o r e tic a l in te r e s t

(e ) n o n e u f th e a bo v e 2 8 F o r v e ry g r e a t p r e s s u r e s v is c o s ity o m o a t g a s e s a n d

liq u id 吕 ��

(a ) r e m a in a s a m e (b ) in c r e a s e s

(c )d e c r e a s e s

(d ) s h o w s e r r a tic be ha v io u r

rť J n o n e n f th e a bu v e

2 9 F ig Be lo v / s h o w s fo u r c u r v e s Ą B C D o n a p lu t o f v is c u u s s h e a r s tr e s s v e rs u s v e lo c ity gr a die n t fo r th r e e flu id s v iz n e w to n ia n n o n n e v rbo n ia n a n d id e a l; n n rı

a n id V e lo c ity gra die M rel J A (b ) B

(c ] C (d ) D

(e ) n o n e o f th e a b o v e

3 0 In a b o v e F ig fo r id e a l flu id c u r v e a p p lic a ble is

(a )A (b t B �

(c ) C (d ) D

(e ) n o n e o f th e a b o v e

3 1 In a b o v e F ig fo r N e w to n ia ıın u id c u r v e a p p lic a ble

IS (a )A (b )B

(c ) C (d )D

(e ) n o n e o f tııe a bo v e

3 2 In a bo v e F ig fo r n o n N e w to n ;» n O u id c u r v e a p p li

c a ble is �

(a )A (b )B

(c ) C (d )D

(e ) n o n e o f th e a bo v e 33 A n u id in e q u ilib r iu m c a n t m ıs ta iıı

(a ıte n s ile s tre s s (b ) c o m p re s s iv e s tr e s s

(c ) s h e a r s tr e s s (a be n diııg s tre s s

(e ) a ll o fth e a bo v e

34 V is c o s ity o f w a te r in c o m p a r is o n to m e rc u ıy is

(a ) h igh e r (b ) lo w e r �

(c ) s a n ı e td ) M gh e r llo w e r d e p e ııdirıg o n te m p e r a tu r e

(e ) u n p r e dic ta b le

35 T h e b u lk n ıo d u lu s o f e la s tic ity rith in c r e a s e in

p re s s u r e (a ) in c r e a s e s (b )d e c r ea s e s

(d )in c r e a s e s lir s t

d e c r e a s e s

(e ) u n p r e dic ta ble

u p to c e r ta in lim it a n d th e n M E C H A N ı C A L E N G IN E E R ı N Q io n a r e (b ) dis ta n c e (d )it h a s n o u n its

8 3 6 T h e b u lk m o d u lu s o f e la s tic ity

(a )h a s th e d im e n s io n s o f V p r e s s u r e

(b ) in c r e a s e s w ith p r e s s u r e

(c )is la r g e w h e n n u id is m o r e c o m p r e s s ible

(d )is in d e p e n d e n t o f p r e s s u r e a n d v is c o s ity

(e ) is dir e c tly p r o p o r tio n a l to flo w

3 7 A b a llo o n liftin g in a ir fo llo w s th e fo llo w in g p r in

cip le

(a )ı a w o f gr a v ita tio n (b)A r c h im e d e s p r in c ip le

(c )p ń n c ip le o f b u o y a n c y (d ) a ll o f th e a b o v e

(e ) c o n tin u ity e q u a tio n

3 8 T h e v a lu e o f th e c o e ffic ie n t o f c o m p r e s s ibility fo r w a te r a t o r din a r y p r e s s u r e a n d te m p e r a tu r e in k g/

c m a is e q u a l to

(a ) 10 0 0 (b) 2 10 0

(c ) 2 70 0 (d ) 10 00 0

(e ) 2 1 00 0

39 T h e in c r e a s e o f te m p e r a tu r e r e s u lts in (a ) in c r e a s e in v is c o s ity o f g a s (b )in c r e a s e in v is c o s ity o f liq u id

(c )d e c r e a s e in v is c o s ity o f g a s

(d )d e c r e a s e in v is c o s ity o f h q u id

(e ) (a ) a n d (d ) a b o v e

4 0 S u r fa c e te n s io n h a s th e u n its o f

(a )N e w to n s /m 2 (b )N e w to ııs /m 2

(c )N e w to n s/m (d ) N e w to n s

(e )N e w to n m

4 1 S U C e te n s io n

(a ) a c ts in th e p la n e o f th e in te r fa c e n o r m a l to a n y lin e in th e s u r fa c e

(b )is a ls o k n o w n a s c a p illa r ity

(c )is a fu n c tio n o f th e c u r v a tu r e o f th e in te r fa c e

(d )d e c r e a s e s w ith fa ll in te m p e r a tu r e

(e )h a s n o u n its

4 2 T h e s tr e s s s tr a in r e la tio n o f th e N e w to n e o n flu id is

(a )lin e a r (b ) p a r a b o lic

(c )h yp e r b o lic (d )in v e r s e typ e

(e ) n o n e o f th e a b o v e

43 A liq u id c o m p r e s s e d in c y lin d e r h a s a v o lu m e o f

0 04 m a a t 5 0 k g/c m 2 a n d a v o lu m e o f 0 0 3 9 m 3 a t

150 k g fc m ż T h e b u lk m o d u lu s o f e la s tic ity o fliq u id is

(a )4 00 k g/c m 2 (b )400 0 k g/c m 2

(c ) 4 0 × 10 5 k g/c m 2 (d )4 0 × 10 6 k g/c m 2

(e ) n o n e o f th e a b o v e

44 T h e u n its o f v is c o s ity a r e (a ) m e tr e s z p e r s e c (b )k g s e c /m e tr e z

(c )N e w to n s e c p e r m e tr e 2 (d )N e w to n s e c a p e r ın e tr e (e )N o n e o f th e a b o v e

4 5 K in e m a tic v is c o s ity is d e p e n d e n t u p o n

(a )p r e s s u r e (b )dis ta n c e

(c )le v e l (d ) flo w

(e ) d e n s ity

4 6 U n its o f s u r fa c e te n s J

(a ) e n e r gy /u n it a r e a

(c ) b o th o f th e a b o v e

(e ) n o n e o f th e a b o v e

4 7 W n ic h o f th e fo llo w in g m e te r s is n o t a s s o c ia te d w ith v is c o s ity ?

(a )R e d w o o d (b) S a y b o lt

(c )E n g le r (d ) O r s a t

(e ) n o n e o f th e a b o v e

4 8 C h o o s e th e c o r r e c t r e la tio n s h ip

(a ) s p e c ilic g r a v ity = g r a v ity × d e n s ity

(b) dy n a m ic v is c o s ity - k in e m a tic v is c o s ity × d e n s ity

(c ) gr a v ity s p e c ific g r a v ity × d e n s ity

(d )k in e m a tic v is c o s ity dy n a m i c vi sc o s i ty ×d e n s i ty�

(e ) h y o s ta tic fo r c e - s u r fa c e te n s io n x g r a v ity

4 9 D im e n s io n s o f s u r fa c e te n s io n a r e (a )M LL UP 2 (b )M rL o p 1

(c )M LL LF 2 (d )M RL Z F 2

(e ) M Ī L o T 1

5 0 F o r m a n o m e te r a b e tte r liq u id c o m bin a tio n is o n e h a v in g

(a )h ig h e r s u r fa c e te n s io n

(b ) lo w e r s u r fa c e te n s io n

(e ) s u r fa c e te n s io n is n o c r ite r io n

(d )h igh d e n s ity a n d v is c o s ity

(e ) lo w d e n s ity a n d v is c o s ity

5 1 If m e r c u r y in a b a r o m e te r is r e p la c e d by w a te r th e h e igh t o f 3 7 5 c m o f m e r c u r y w ill be fo 끄o w in g c m o f w a te r (a ) 5 1 c m (b ) 5 0 c m (c ) 5 2 c m (d ) 5 2 2 c n ı (e ) 5 1 7 c m 52 C h o o s e th e w r o n g s ta te m e n t A lc o h o l is u s e d in m a n o m e te r b e c a u s e (a ) its v a p o u r p r e s s u r e is lo w (b) it p r o v id e s s u ita ble m e n is c u s fo r th e in c ı in e d tu b e

(c ) its d e n s ity is le s s (d ) it p r o v id e s lo n g e r le n g th fo r a giv e n p r e s s u r e diĦe r e n c e (e )it p r o v id e s a c c u r a te r e a din g s 5 3 In c r e a s e in p r e s s u r e a t th e o u te r e dg e o f a đ r u m o f r a d iu s R d u e to r o ta tio n a t m r a d/s e c fu ll o fliq u id o f d e n s ity p w ill b e (a ) p[o 2R 2 (b ) p{ū 2R 2/2 (c ) 2 p ū)2R 2 (d ) pü )2R /2 (e )n o n e o f th e a b o v e

5 4 T h e p r o p e r ty o f flu id by v ir tu e o f w h ic h it o ffe r s r e s is ta n c e to s h e a r is c a lle d (a ) u r fa c e te n s io n (b ) a dh e s io n

(c : c o h e s io n (d ) v is c o s ity

(e ) a ll o f th e a b o v e 5 5 C h o o s e th e w r o n g s ta te m e n t

(a ) flu id s a r e c a p a b le o f flo w in g

(b )flu id s c o n fo r m to th e s h a p e o f th e c o n ta in in g v e s s e ls

D M E C H A N ı C S

(c ) w h e n in e q u ilib r iu m flu id s c a n n o t s u s ta in

ta iıg e n tia l fo r c e s

(d )w h e n in e q u ilib r iu m Ĥ u id s c a n s u s ta in s h e a r

fo r c e s

(e )flu id s h a v e s o m e d e g r e e o f c o m p r e s s ibility a n d

o ffe r little r e s is ta n c e to fo r m

5 6 T h e d e n s ity o f w a te r is 10 0 0 k glm a a t

(a )0 C (b ) 0 K

(c ) 4 C (d ) 2 0 C

(e ) a ll te m p e r a tu r e

5 7 If w is th e specific w e igh t o f liq u id a n d h th e d e p th

o f a ııy p o iııt fr o m th e s u r fa c e th e n p r e s s u r e in te n

s ity a t th a t p o in t w ill b e

(a ) h (b) u th

(C ) u ]ı h (d) h lu J

5 8 C h o o s e th e w r o n g s ta te m e n t

(a )V is c o s ity o f a U u id is th a t p r o p e r ty w h ich

d e te r m irıe s th e a m o u n t o f its r e s is ta iıc e to a

s h e a r in g fo r c e

(b )V is c o s ity is d u e p r im a r ily to in te r a c tio n b e tw e e n Ĥ u id m o le c u le s

(c )V is c o s ity o f liq u id s d e c r e a s e s w ith in c r e a s e in te m p e r a tu r e

(d )V is c o s ity o f liq u id s is a p p r e c ia b ly a tTe c te d by

c h a n g e in p r e s s u r e

(e )V is c o s ity is e x p r e s s e d a s p o is e s to k e o r s a yb o lt

s e c o n d s

5 9 T h e u n its o f k in e m a tic v is c o s ity a r e

(a ) m e tr e s 2 p e r s e c (b )k g s e c /m e tr e 2

(c ) N e w to n s e c p e r m e tr e 2

(d ) N e w to n s e c 2 p e r m e tr e

(e ) n o n e o f th e a b o v e

6 0 T h e r a tio o f a b s o lu te v is c o s ity to m a s s d e n s ity is k n o w n a s

(a ) s p e c ific v is c o s ity (b ) v is c o s ity in d e x

(c ) k in e m a tic v is c o s ity (d ) c o e ffic ie n t o f v is c o s ity

(e ) e o e fħc ie n t o f c o m p r e s s ib ility

6 1 K h ıe m a tic v is c o s ity is e q u a l to

(a )dy n a m ic v is c o s ity ld e n s ity

(b )d y n a m ic v is c o s ity × d e n s ity

(e ) d e n s ity /d jm a m ic v is c o s ity

(d ) U dy n a m ic v is c o s ity × d e n s ity

(e ) s a m e a s d y n a m ic v is c o s ity

6 2 W h ic h o f th e fo llo w in g is th e u n it o f k in e m a tic ńscosity ?

(a )P a s c a l (b ) P o is e

(c ) S to k e (d ) F a r a d a y

(e ) n o n e o f th e a b o v e

6 3 A o n e dim e n s io n a l ū o w is o n e w h ic h (a ) is u n ifo r m flo w (b )is s te a dy u n ifo r m flo w

(c )ta k e s p la c e in s tr a ig h t lin e s

(d ) in v o lv e s z e r o tr a n s v e r s e c o m p o n e n t o f flo w

(e )ta k e s p la c e in o n e dim e n s io n

64 A lc o h o l is u s e d in m a n o m e te r s b e c a u s e

(a )it h a s lo w v a p o u r p r e s s u r e

(b )it is c le a r ly v is ib le

(c )it h a s lo w s u r fa c e te n s io n (d )it c a n p r o v id e lo n g e r c o lu m n d u e to lo w d e n s ity (e ) is p r o v id e s s u ita b le m e n is c u s

65 A p r e s s u r e o f 25 m o f h e a d o f w a te r is e q u a l to

(a ) 25 】 £N /m 2 (b) 24 5 】 £N /n ı 2

(c )250 0 】 £N /m 2 (d )2 5 k N /m 2

(e ) 12 5 】 £N /m 2

6 6 S p e c ifıc w e igh t o f s e a w a te r is m o r e th a t o f p u r e w a te r b e c a u s e it c o n ta in s (a ) dis s o lv e d a ir (b ) dis s o lv e d s a lt (c ) s u s p e n d e d m a tte r (d ) a ll o f th e a b o v e (e )h e a v y w a te r

6 7 If 8 50 k g liq u id o c c u p ie s v o lu m e o f 1 m a th e n 0 8 5

r e p r e s e n ts its

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(c ) s p e c ific g r a v ity (d ) s p e c ific d e n s ity

(e ) n o n e o f th e a b o v e 1 8

6 8 V - 0 00 2 2 t t is th e e q u a tio n to d e te r m in e k i n e m a tic v is c o s ity o f liq u id s by

(a J R e d w o o d v is c o m e te r

(b )E n gle r v is c o m e te r

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(d )N e w to n v is c o m e te r

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6 9 F r e e s u r fa c e o f a liq u id te n d s to c o n tr a c t to th e s m a ll

e s t p o s s ib le a r e a d u e to fo r c e o f

(a ) s u r fa c e te n s io n (b ) v is c o s ity

(c ) fr ic tio n (d ) c o h e s io n

(d ) a d h e s io n 70 A b u c k e t o f w a te r is h a n gin g fr o m a s p r in g b a la n c e

A n ir o n p ie c e is s u s p e n d e d in to w a te r w ith o u t to u c h in g s id e s o fb u c k e t f o m a n o th e r s u p p o r t T h e s p r in g

b a la n c e r e a din g w ill

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im m e r s io n (e ) u n p r e d ic ta ble

7 1 P a llin g dr o p s o f w a te r b e c o m e s ph e r e s d u e to th e

p r o p e r ty o f

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(e ) c o m p r e s s ibility

72 A liq u id w o u ld w e t th e s o lid if a dh e s io n fo r c e s a s c o m p a r e d to c o h e s io n fo r c e s a r e

(a )le s s (b ) m o r e

(e ) e q u a l (d )le s s a t lo w te m p e r a tu r e a n d m o r e a t h ig h te m p e r a tu r e (e ) th e r e is n o s u c h c r ite r io n

7 3 If c o h e s io n b e tw e e n m o le c u le s o f a flu id is g r e a te r

th a n a dh e s io n b e tw e e n flu id a n d g la s s th e n th e fr e e

le v e l o f n u id in a dip p e d g la s s tu b e w ill b e

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(b) th e s a m e a s th e s u r fa c e o f liq u id

7&

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11ıe Ħt

th

r e s u lta n t p r e s s u re o fth e ı iq u id ı rrn y b e ta k e n to n c t is k rıo w ııa s (a ) n ıe ta c e n tr e (b ) c e n tr e o fp re s s u re

(c ) c e n tre o f b u o y a n cj (d ) c e n tr e o t g m a v it ľ

(e ) n o n e o f th e a b o v e

75 T h e to ta lp r e s s o n th e s u r fa c e o f ß v e r tic a ls lu ic e g a te 2 m x ıı n w ith its to p 2 m s u r fa c e b e in g 0 5 ııı

b e ı o w tı ıe w a te r le v e l w ill b e

(a ) 5 0 0 kg (b ) 1000 kg

1500 k g (d ) 20 00 kß

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76 T lıe r e s u lta n t u p w a rd p r e s s u r e o f a\ n u id o n a n tıa t

in g b o d y is e q u a l to th e w e ig h t o f th e n u id d is p ltrc e d by th e b o d y T h is d e fin itio n is a c c o r d in g to

(a ) B u o y a n c y

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77 T h e r e s u lta n t u p w a r d p r e s s u r e o f th e n u id o n a n im m e r s e d b o dy is c a lle d

(a ) u p tb r u s t (b )b u o y a n c y c e n tr e o f p r e s s m e

(d ) a ll th e a b o v e a r e c o r r e c t

(e ) n o n e o f a b o v e is c o r r e c t

7 8 T h e c o n d itio n s fo r th e s ta ble e q u ilib r iu m o f a n o a t h ıg b o dy a r e (a ) th e m e ta c e n tr e s h o u ld lie a b o v e th e c e n tr e o f g r a v ity

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(c ) a r ig h tin g c o u p le s h o u ld b e fo r m e d

(d ) a ll th e a b o v e a r e c o r r e c t

(e ) n o n e o f th e a b o v e is c o ı r e c t

7 9 P o is e is th e u n it o f

(a ) s u r fa c e te n s io n (b) c a p illa r ity (c ) v is c o s ity (d ) s h e a r s tr e s s in n u id s (e )b u o y a n cy 8 0 M e ta c e n tric h e ig h t is g iv e į a s th e d is ta n c e b e tw e e n (a ) th e c e iıtr e o f g r a v ity o f th e b o dy a n d th e m e ta c e n tr e

(b ) th e c e n tr e o fg r a v ity o ftlıe b o dy a n d th e c e n tr e o f b u o y a n cy (c ) th e c e n tr e o fg r a v ity o fth e b o dy a n d th e c e n tr e o f p r e s s u r e (d ) c e n tr e o f b u o y a n c y a ııđm e ta c e n tr e (e ) n o n e o f th e a b o v e ı T lıe b u o y a n cy đ e p e n d s o n (a ) m a s s o f liq u id dis p la c e d

(b ) v is c o s ity o f th e liq u id

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(b ) Lh u m n te r itıl w h ic h o b je te n b o v o U itg fre e u u rfa ce u f Ĺh c litlu id (c ) b o th u f Lh o a b o v e (d ) a n y o n e o f th u a bo v e (e ) n o n e o f Łltu a b o v e

85 E e s u r fa c e o fa liq u id b u h ııv e s lik u il H ł ı ttu l tın d ten di

to c o n tr a c t to s m a llu x l iN ıs H ib l( a r e n d u u Lu th u

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(e ) n o n e o f th e a b o v e

8 6 R a in d r o p s a r e e p h e r ic a l b e c a u s e o ľ

(a ) v is c o s ity (b ) n ir r e s is ta n c e

(c ) s u r fa c e te n s io n Ib r c e s (o ) a tm o s p h u r ic p r o a e u re

(e ) n o n e o f th c a b o v e

8 7 S u r fa c e e n e r gy p c r u n it a r e a o f a s u r fa c e ia n u m e ri

c a lly e q u n l to

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8 8 T h e c a p illa r y r is e a l 2 0 C in a c le a n g la s s tu be o f 1

m m b o r e c o n ta in in g w a te r is a p p r o x im a te ly

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(c ) c o h e s io n p r e s s u r e is in c r e a s e d

(d th e r e is n o c o h e s io n p r e s s u r e

(e ) n o n e o f th e a b o v e 9 1 T o a v o id v a p o r is a tio n in th e p ip e lin e th e p ip e lin e o v e r th e r id g e IB la id s u c h th a t it is n o t m o r e th a n

(a ) 2 4 m a b o v e th e hy d r a u lic g r a d ie n t

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EC H A N IC S

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T o a v o id a n in te iT u p tio n in th e n o w o f a s yp h o n a n

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T h e v a p o u r p r e s s u r e o v e r th e c o n c a v e s u r fa c e is

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(b ) e q u a l to th e v a p o u r p r e s s u r e o v e r th e p la n e s u r fa c e

(c ) g r e a te r th a n th e v a p o u r p r e s s u r e o v e r th e p la n e s u r fa c e

(d ) z e r o (e ) n o n e o f th e a b o v e

T h e p r o p e r ty b y v ir tu e o f w h ic h a liq u id o p p o s e s r e la tiv e m o tio n b e tw e e n its d iffe r e n t la y e r s is c a lle d

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(e ) c o h e s io n

T h e p r o c e s s o f d ifn ıs io n o f o n e liq u id in to th e o th e r

th r o u g h a s e m i p e r m e a ble m e m b r a n e is c a u e d

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(e ) d iffu s iv ity

T h e u n its o f d y n a m ic o r a b s o lu te v is c o s ity a r e (a ) n ıe tr e s 2 p e r s e c (b ) k g s e c /n ıe tr e

(c ) N e w to n s e c p e r m e tr e 2

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T h e d im e n s io n s o f c o e fn c ie n t o f v is c o s ity a r e

(a )M LL l 1 (b )M lL l 1

(c )M LL 1 F 1 (d )M lL 1T 1

T h e c o n tin u ity e q u a tio n is c o n n e c te d w ith

(a ) v is c o u s /u n v is c o u ß n u id s

(b ) c o m p r e s s ib ility o f flu id s

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(e ) o p e n c h a n n e l/p ip e H o w T h e r is e o r d e p r e s s io n o f liq u id in a tu b e d u e to s u r fa c e te n s io n w ith in c r e a s e in s iz e o f tu b e w ill

(a )in c r e a s e

(b ) r e m a in u n a ffe c te d

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(d ) d e c r e a s e

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L iq u id s tr a n s m it p r e s s u r e e q u a lly in a ll th e d ir e c

Lio n s T h is is a c c o r din g to

(a )B o y le s la w (b )A r c h im e d e s p r in c ip le

(c ) P a s c a ľ s la w (d )N e w to n s fo r m u la

(c ) a dh e s io n o f th e liq u id m o le c u le s a n d tı ıe m o le c u le s o n th e s u r fa c e o f a s o lid

(d ) a ll o f th e a b o v e (e ) n o n e o f th e a b o v e 10 2 T h e r is e o r fa ll o f h e a d Tı in a c a p illa r y tu b e o f di

a m e te r ď a n d liq u id s u r fa c e te n s io n ď a n d s p e c ific w e igh t w is e q u a l to 4 o 4 d o

(e ) c r d 4 d (e ) ı4)P 10 3 N e w to n s la w o f v is c o s ity is a r e la tio n s h ip b e tw e e n (a ) s h e a r s tr e s s a n d th e r a te o f a n g u la r dis to r tio n

(b ) s h e a r s tr e s s a n d v is c o s ity

(c ) s h e a r s tr e s s v e lo c ity a n d v is c o s ity

(d ) p r e s s u r e v e lo c ity a n d v is c o s ity (e ) s h e a r s tr e s s p r e s s u r e a n d r a te o f a n g u la r dis to r tio n 1 0 4 T h e a tm o s p h e r ic p r e s s u r e w ith r is e in a ltitu d e d e c r e a s e s

(a )lin e a r ly

(b )fir s t s lo w ly a n d th e n s te e p ly

(c ) fir s t s te e p ly a n d th e n g r a d u a lly

(d ) u n p r e d ic ta ble

(e ) n o n e o f th e a b o v e

10 5 P ī e s s u r e o f th e o r d e r o f 101o to rr c a n b e m e a s u r e d by

(a ) B o u r d o n tu b e (b )P ir a n i G a u g e

(c ) m ic r o m a n o m e te r (d ) io n is a s tio n g a u g e

(e ) M c L e o d g a u g e

10 6 0 p e r a tio n o f M c L e o d g a u g e u s e d fo r lo w p r e s s u r e m e a s u r e m e n t is b a s e d o n th e p r in c ip le o f

(a ) G a s la w (b) B o y le s la w

(c ) C h a r le s la w (d )P a s c a ľ s la w

(e )M c L e o ď s la w 10 7 A n o dd s h a p e d b o dy w e ig h in g 7 5 k g a n d o c c u p y in g

0 0 1 m 3 v o lu m e w ill b e c o m p le te ly s u b m e r g e d in a flu id h a v in g s p e c ific g r a v ity o f

(c ) 0 8 (d ) 0 75

ı0 8 In a n is o th e r m a l a tn ıo s p h e r e th e p r e s s ıır e

(a ) d e c r e a s e s lin e a r ly w ith e le v a tio n

(b ) r e m a in s c o n s ta n t

(c )v a r ie s in th e s a n ıe w a y a s th e d e n s ity

(d )in c r e a s e s e x p o n e n tia lly w ith e le v a tio n

(e ) u n p r e dic ta b le ı09

M e r c u ry is o fte n u s e d in b a r o m e te r b e c a u s e

(a ) it is th e b e s t liq u id

(b) th e h e igh t o f b a r o m e te r w ill b e le s s

(c )its v a p o u r p r e s s u r e is s o lo w th a t it m a y b e

n e g le c te d

(d )b o tb (b ) a n d (c ) (e )it m o v e s e a s ily

(e ) C h e z y s e q u a tio n ■ 10 ı C a p illa ry a c tio n is d u e to th e (a ) s u r fa c e te n s io n (b) c o h e s io n o f th e liq u id

1ı0 B a r o ın e te r is u s e d to m e a s u r e

(a )p r e e s u r e in p ip e s c h a n n e ls e tc

(b) a tm o s ph e r ic p r e s s u r e

(d )diffe r e n c e o f p r e s s u r e b e tw e e n tw o p o in ts

11 ı M ïh ic h o f th e fo llo w in g in s tr u m e n t c a n be iıs e d fo r

m e a s u r in g s p e e d o f a s u b m a r in e m o v in g in d e e p s e a ?

(a )V e n tu r in ı e te r (b )O r ilic e p la te

(c )h o t v A r e a n e m o n ıe te r (d ) r o ta m e te r

(e )p ito t tu b e

1 12 w n ic h o f tlıe fo llo w in g in s tr u m e n t c a n b e u s e d fo r

m e a s u r ilıg s p e e d o f a n a e r o p la n e ?

(a )V e n tu r im e te r (b)O r ific e p la te

(c )h o t w ir e a n e m o m e te r (d ) r o ta m e te r

(e )pito t tu b e

1 13 P ie z o m e te r is u s e d to m e a su r e

(a )p r e s s u r e in p ip e c h a n n e ls e tc

(b) a tm o s ph e r ic p r e s s u r e

(c ) v e r y lo w p r e s s u r e s

(d )diffe r e n c e o f p r e s s u r e b e tw e e n tw o p o in ts

(e )flo w

1 14 M n ric h o f th e fo llo w irıg in s tr u m e n ts is u s e d to m e a

5 1ır e flo w o n th e a pp lic a tio n o f B e m o u lli s th e o r e m ?

(a )V e n tu r im e te r (b)O r ific e p la te

(c ) n o z z le (d )pito t tu b e

(e ) a ll o f tı ıe a b o v e

1 15 T h e s p e e d o f s o u n d in a p e r fe c t g a s is giv e n by

k (r a tio o f s p e c iİic h e a t c a p a c itie s ) (a ) VR (g a s c o n s ta iıt)× T (a b s o lu te te m p )

(bì JĴM (Cì {j

Ld) m (eì ŁKR Tı Z

1 16 T h e s p e e d o f s o u n d in a id e a l g a s v a r ie s dir e c tly a s

its (a )p r e s s u r e (b )te m p e r a tu r e

(e ) a b s o lu te te m p e r a tu r e (d ) m o d u lu s o f e la s tic ity

1 17 S p e e d o f s o u n d in w a te r is e q u a l to

a ) K

o (d e n s tw ) (b)

(C e ) )u JIK (d) K to

118 】 7 o w n ıa te r s b a s e d o n o b s tr u c tio n p r in c ip le lik e o lq fıc e p la te s c a lıb e u s e d w ith R e yn o lď s n u n ıb e r u p to a p p r o x im a te ly

(a ) 500 (b ) 1000

(c )2000 (d )4000

(e ) 10000

119 D y iıa n ıic v is c o s ity o f n ıo s t o f th e liq u id s w ith r is e in te m p e r a tu r e

(a )in c r e a s e s (c ) r e m a h ı s u (e ) n o n e o f th

(b )d e c r e a s e s m a fïe c te d (d ) u ııp r e dic ta ble ie a b o v e / / / / / y

/ / S h e a r ra te

(a ) c u r v e A (b ) c u r v e B

(c ) c u r v e C (d ) c u r v e D

(e ) n o n e o f th e a b o v e

12 3 E u le r s d im e n s io n le s s n m b e r r e la te s the

(a ) in e r tia l fo r c e a n d g r a v ity

(b ) v is c o u s fo r c e a n d in e r tia l fo r c e �

(c ) v is c o u s fo r c e a n d b u o y a n c y fo r c e

(d )p r e s s u r e fo r c e a n d in e r tia l fo r c e

(e ) p r e s s u r e fo r c e a n d v is c o u s fo r c e

12 4 F ig B e lo w s h o w s th e c a pilla r ity a c tio n iq

g la s s tu b e s fo r v a r io u s liq u id s

F o r m e r c u r y fo llo w in g c u r v e h o lds

(c ) c u r v e C (b ) C u r v e B �

(e ) n o n e o f th e a b o v e

(d ) c u r v e D

12 6 F O r ta p w a te r fo llo w u ıg c u r v e h o lds ( F ig )

(a ) c u r v e A (b ) c u r v e B

U ID M E C H A N ı C S

(r ) c u l v o (d ) c u r v o D

(ı) n o ııt tıľ th n n ln tv u

ı2e 】Or

d i《tillo d w n tu ı a t v e r y lo w 也 e ı n p o r a tu ro fo llo w

in K c u R v o h o ld n (1tu ft r a b o v e l?iH )

(a ) c u R v T A (b ) c u r v e B

(ľ ) c Lłr v o U (tł) c u r v o D

(( ) 11o n t n ılh u a bo v e

12 7 】 ?o r d is tilı t tlw u to r ı\L h ig h e r te m p u r n lu ru ti]llu w in g

c u r v e h o ld s (ı h lb r a b o v e P ig )

(a ) c u r v o A (b ) c u rv e B

(c ) c u r v e C (tl) c u r v e D

(t ) n o n e u f th e a b o v e

12 8 M u n o m e tu r is u h s d Lo m e a s u r e

({ı) Jìr e s s Lu e irıp ip u s c h a n n e ls c lc (b ) łtLm o s p h t R iĽ p r u s s u r e (c ) v e F y lu w p r e s s u ]'"

(d ) d itfb r o n c e o f p r e s s u r e b u lw e e n Lw o p o in Ls

(tl) v u lu Ľ ily

12 9 W h ic h o f th e fo llo w in g m a n o m e te r h a s h ig h e s t s e n ßitiv iLy !

(a ) U tu b e w iLh w a Lu r (b ) in c lin e d U tu b e

(c ) U tu h e w ith m e r c u r y

(d ) m ic r o m a n o m e tc r w iLh w a te r

(ľ ) d is p ı a c e m e n t Ly p e

18 0 In o r d e r to in c r e a s e s e n s itiv ity o f U tu b e m a n o

m e te r o n e ]e g is u s u a lly in c lin e d by a n g le 0 S e n s iti

v ity o fin c lin e d tu be tn s e n s itiv ity o f U tu b e i8 e q u a l to C U S U d )

(e ) tn n ü 13 1 W o r k in g p r in c ip le o f d e a d w e ig h t p r e s s u r e g a u g e

te s te r is b a s e d o n �

(M ) P a s c a l8 la w

(b ) D a lto n s la w o f p a r tia l p r e s s u r e

(c )N c w Lo n s la w o f v is c o s ity

(d ) A v o g a d r o 8 h y p o th e s is

(ľ ) s e c o n d ]a w u r th e r m o dy n a m ic

13 2 T h c r e s u lta n t o f a ll n o r m a l p r e s s u r e s a c ts

(a ) a t c g o f b o dy (b ) a t c e n tr e o f p r e s s u r e

(c ) v e r tic a lly u p w a r d s (t !) a t m e ta c e n tr c

(e ) v e r tic a lly d o w n w a r d s

ı3 3 C e n tr e o f p r e s s u r e c o m p a r e d to c g is

(a ) a b o v e it (b )b e lo w it (c ) a t s a m e p o in t

(【l) a b o v e o r b e lo w d e p e n d in g o n a r e a o f b o dy

(e ) n o n e o f th e a b o v e

(b ) c e n tr e o f p r e s s u r e

v ity (d ) c e n tr e o f b u o y a n c y

13 6 T h o r e s u lta n t u p w a rd p r e e s u r e o ľ th e n u id o n a n im m e r « u d b m ly U u u tu ils lu n d c n c y Lo u p ı ift th e s u b m e r g e d b u Lly iH c a lle d

(a ) u p th r u s L (b) r e a c tio n

(c ) b u o y a n c y (d ) m e ta c e n tr e

(e ) c e n tr e tJf p r c R s u re 136 T h e c e n tr e o f p r e s s u r e o f a s u F fa c e s u bje c te d to n u id

p r e s s u r e is th c p o in t (a ) o n th e s u r lh c e a L w h ic h r e s u lta n t p r e s s u r e a c ts

(b ) 【 )n th e s u r fa c e a l w h ic h g r a v ita tio n a l fo r c e a c ts

(c j a t w h ic h a ll h y d r a u lic fo r c e s m e e t

(d ) s im iı a r Lo m e ta c e n tr e

(e ) w h e r e p r e s s u r e e q u iv a le n t to hy d r a u lic th r u s t w ill a c t

13 7 B u o y a n t fu r c e is (a ) th e r e s u lta n t fo r c e a c tin g o n a flo a tin g b o dy

(b ) th e r e s u lta n t fo r c e o n a b o dy d u e to th e flu id s u r r o u n d in g it

(c ) e q u a l t【 ) th e v o lu m e o f liq u id d is p la c e d

(d )th e fo r c e n e c e s s a ry to m a in ta in e q u ilib r iu m o f a s u b m e r g e d b o dy

(e ) n o n e o f th e a b o v e

13 8 T h e h o r iz o n ta l c o m p o n e n t o f b u o y a n t fo r c e is

(a ) n e g ligible (b) s a m e a s b u o y a n t fo r c e

(c ) z e r o (d ) b u o y a n t fū r c e x ta n e

(e ) n o n e o f th e a b o v e 13 9 T h e fo r c e u f b u o y a n c y is d e p e n d e n t o n ía ) m a s s o f liq u id d is p la c e d

(b ) v is c o s ity o f n u id

(c ) s u r fa c e te n s io n o f n u id

(d ) d e p th o fim m e r s io n

(e ) c e n t] e o f p r e s s u r e 14 0 T h e lin e o f a c tio n o f th e iJu o y a n t fo r c e a c ts th r o u gh

th e (a ) c e n tr o id o f th e v o lu m e o f n u id v e r tic a lly a b o v e th e b o dy (b) c e n tr e o f th e v o lu m e o f flo a tin g b o dy

(c ) c e n tr e o f g r a v ity o f a n y s u b m e r g e d b o dy

(d ) c e n tr o id o f th e d is p la c e d v o lu m e o f flu id

(e ) n o n e o f th e a b o v e

14 1 C e n tr e o fb u o y a n c y is th e

(a ) c e n tr o id o f th e d is p la c e d v o lu m e o f flu id

(b) c e n tr e o f p r e s s u r e o f dis p la c e d v o lu m e

(c ) c g o f flo a tin g b o dy

(d ) d o e s n o t e x is t

(e ) n o n e o fth e a b o v e 14 2 A b o dy n o a ts in s ta ble e q u ilib r iu m

(a ) w h e n its m e a tc e n tr ic h e igh t is z e r o

(b ) w h e n th e m e ta n c e n tr e is a b o v e C g

(c ) w h e n its c g is b e lo w iť s c e n tr e o f b u o y a n c y

(d ) m e ta c e n tr e h a s n o th in g to d o w ith p o s itio n o f

13 4 M e ta c e n tr ic h e ig h t is th e d is ta n c e b e tw e e n th e m e ta c e n tr c a n d (a ) w a te r s u r fa o (c ) c e n tr e o f[w (◆) n o n e o f th e a ■

Įb o v e e

c g Fo r d e te r m in in g s ta bility

(e ) n o n e o f th e a b o v e