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Junior Engineer Electronics Paper - I and II

Guide and Practice Book


DMRC-Junior Engineer Electronics - Paper - I and II Exam Guide and Practice Book Content Contribution : Amar Ujala Education Books Authors’ Panel Vikas Dwivedi Š Amar Ujala Publications Ltd. Published by Amar Ujala Publications Ltd. and printed at C-21, Sector 59, Noida - 201301 (U.P.) Edition : 2016 Prize

: ` 350/-

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Due care and diligence has been taken while publishing this book. However, the publisher does not hold any responsibility for any mistake that may have inadvertently crept in. The publisher does not accept responsibility for any loss arising out of the use of this book.

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All rights reserved. Neither this publication nor any part of it may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of the publisher.

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All disputes are subject to the exclusive jurisdiction of competent courts and forums in Noida only.


DMRC

JUNIOR ENGINEER/ELECTRONICS

CONTENTS q

Current Affairs .................................................................................... 5 - 37

Electronics / Engineering l Networking Concept .................. 38-41 l Electromagnetism ...................... 42-50

l

l Control System ......................... 51-54

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l Digital Electronics ..................... 55-58 l Electron Tubes ......................... 59-65

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l Semi-Conductors ...................... 66-71

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l Transistors ................................. 72-74 l

l Electrical Measuring

Instruments ............................... 75-85 Engineering Materials ............... 86-88 Computer and Microprocessors ........................ 89-91 Amplifiers and Oscillators ........ 92-96 Linear and Non-Linear Analog Circuits.......................... 97-98 Objective Questions ............... 99-128

General Awareness l Indian History ............................. 1-31 l Geography ................................. 32-71 l Indian Polity .............................. 72-97

l Indian Economy ..................... 98-115 l General Science .................... 116-162 l Computer Knowledge........... 163-196


Reasoning Analogy .................................. 197-203 Classification .......................... 204-208 Series Test ............................ 209-217 Coding and Decoding........... 218-226 Logical Sequence of Words .. 227-229 Direction Sense Test ............ 230-239 l Blood Relation Test ............. 240-244 l Mathematical Operation ....... 245-250 l Finding the Missing Numbers ............................... 251-256

l Cube and Dice ..................... 257-262 l Venn Diagrams ..................... 263-268 l Syllogism ............................... 269-275

l l l l l l

l Statement and Conclusion.... 276-280 l l l l l

Figure Analogy Test ............. 281-289 Figure Classification .............. 290-292 Figure Series Test ................. 293-306 Figure Completion Test ....... 307-312 Embedded or Hidden Figures ................................... 313-317

Mathematics l l l l l l l l l l l

Simple Interest ...................... 383-389 Compound Interest .............. 390-398 Partnership ............................ 399-403 Mixture and Alligation.......... 404-408 Mensuration-I (Area and Perimeter of Plane Figures). .. 409-417 l Mensuration-II (Volume and Surface Area of Solids) .................................... 418-428 l Geometry .............................. 429-442 l Data Interpretation................ 443-459

Number System .................... 318-327 Simplification ........................ 328-332 LCM and HCF ..................... 333-337 Average .................................. 338-343 Percentage ............................. 344-349 Ratio and Proportion............ 350-354 Square Root and Cube Root ............................. 355-359 Problems Based on Ages..... 360-364 Time and Work ................... 365-370 Time, Speed and Distance .. 371-376 Profit and Loss ..................... 377-382

l l l l l

General English l l l l l l

l Direct and Indirect

Common Errors ................... 460-475 Synonyms and Antonyms .... 476-483 One Word Substitutions ...... 484-491 Spelling Test ......................... 492-499 Active and Passive Voice ..... 500-509 Idioms and Phrases .............. 510-520

l l l l

4

Narration ............................... 521-532 Sentence Improvement ........ 533-539 Rearrangement of Sentences...540-552 Cloze Test ............................. 553-557 Comprehension .................... 558-568


Current Affairs

Amar Ujala Publication

CURRENT AFFAIRS 1 NOVEMBER

body on indirect taxes filling up the last vacancy on the board. r Air Marshal Khanna Takes Over as Maintenance Head of the Indian Air Force (IAF) r Air Marshal Virender Mohan Khanna assumes the responsibilities of Air Officer-in-charge Maintenance (AOM) at Air Headquarters, New Delhi

INDIAN AFFAIRS r Union Government announces Draft Aviation Policy-2015 r India, Sri Lanka bilateral naval exercise SLINEX 15 r Indian Railways launches Vikalp scheme for waitlisted passengers r A new scheme called ‘Vikalp’ has come into effect that promises a confirmed seat for the waitlisted passengers in an alternate train if they opt for the option while booking their tickets online. The pilot project was started on November 1, for trains running on the DelhiLucknow and Delhi-Jammu routes. r Punjab to set up bio-ethanol refinery to stop menace of straw burning r Punjab government signed a Memorandum of Understanding (MoU) with a consortium of Beta Renewables, Novozymes and CVC India Infrastructure Pvt. Ltd. For an estimated project worth Rs. 950 crore, during the Progressive Punjab Investor Summit, 2015 . r Govt will implement Malayalam Language Act r Kerala Cultural Affairs minister KC Joseph announced on the sidelines of the Kerala Formation Day celebrations that the federal government is dedicated to implement the Malayalam Language Act on the earliest.

SCIENCE & TECHNOLOGY r BrahMos missile test-fired from Indian Navy’s newest ship INS Kochi, hits target r Supersonic cruise missile BrahMos with a strikerange of over 290 kms was test-fired from the navy’s newest stealth destroyer INS Kochi successfully hitting a decommissioned target ship in the Arabian Sea.

SPORTS r Sania Mirza-Martina Hingis seal WTA YearEnd No.1 ranking r Newzealand wins 2015 Rugby World Cup r Newzealand have won a record third Rugby World Cup and become the first team to successfully defend the title after beating Australia 34-17 in the final at Twickenham on Oct 31, 2015. r OBITUARY r Eminent Archaeologist VN Misra passes away r Professor and renowned archaeologist Virendra Nath Misra passed away at the age of 80 on 31st October 2015.

APPOINTMENTS r Housing.com appoints Nikhil Rungta as chief marketing officer r Housing.com a real estate platform has appointed Nikhil Rungta as its Chief Marketing Officer. r B K Bansal appointed member of CBEC r IRS officer Bhushan Kumar Bansal has been appointed as the sixth member of the Central Board of Excise and Customs (CBEC), the apex

2 NOVEMBER

INDIAN AFFAIRS r Delhi Metro bags ISO rating for efficient energy management r The Delhi Metro has become the first metro service in the country to be certified with the 5


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Current Affairs r Federal Bank a Privately-held bank has appointed Shalini Warrier as Chief Operating Officer (COO).

prestigious International Organisation for Standardisation (ISO) rating for efficient energy management. MHRD constituted TSR Subramanian committee to draft New Education Policy Union Ministry of Human Resource Development (MHRD) on 31 October 2015 constituted a drafting committee to frame the New Education Policy (NEP). It will be headed by former Cabinet Secretary TSR Subramanian and will have four membersOdisha Government imposes 7- month ban on fishing to protect Olive Ridley sea turtles To protect the Endangered Olive Ridley sea turtles arrive during winters for nesting in Rushikulya river mouth and the Gahirmatha marine sanctuary (one of the world’s largest turtle nesting sites), the Odisha forest department has imposed a ban for 7 months from November 1 to May 31, 2016 on fishing along the coast.

ACQUISITION AND MERGERS r MTS India merged with Reliance Communications r Anil Ambani-led Reliance Communications Ltd (R-Com) is merging the telecom business of Sistema Shyam Teleservices Ltd (SSTL) that operates MTS brand with itself in an all-stock deal worth Rs. 4,500 crore, marking the start of the much-anticipated consolidation in India’s telecom sector.

SCIENCE & TECHNOLOGY r Environment Ministry Launches New Website on National Clean Development Mechanism Authority r A new website – http://www.ncdmaindia.gov.in has been launched by the National Clean Development Mechanism Authority (NCDMA) in the Ministry of Environment, Forests and Climate Change. r SPORTS r Nico Rosberg wins 2015 Mexican Gand Prix of Formula 1 r Mercedes Formula One team driver Nico Erik Rosberg from Germany won the 2015 Mexican Gand Prix title of Formula One (F1) which was held at the Autódromo Hermanos Rodríguez in Mexico City. r Roger Federer wins 2015 Swiss Indoors Basel Title of Tennis r After a 21 month wait, Federer and Nadal renewed their storied rivalry on the indoor hard courts of the ATP world tour 500 event, with the Swiss winning for the first time since 2012 BNP Paribas Open in Indian wells.

INTERNATIONAL AFFAIRS r Turkey’s AK Party wins 2015 general election of Turkey r The ruling Justice and Development Party (AKP) of Turkey has won 2015 Parliamentary Election of Turkey. AKP had won 49.4 per cent of the vote, with the main opposition CHP on 25.4 per cent. r AKP won 316 seats of total 550 members while CHP won 134 seats, HDP won 59 seats and MHP won 41 seats. In Turkey The Political Parties need to secure 276 seats to govern the country alone.

APPOINTMENTS r Deepak Singhal appointed Executive Director of RBI r The Reserve Bank of India (RBI) on 2 November 2015 appointed Deepak Singhal as the Executive Director (ED). The appointment is effective from the same date. r Federal Bank appoints Shalini Warrier as COO

OBITUARY r Doyen of Indian two-wheeler industry Brijmohan Lall Munjal passes away r Former Speaker of West Bengal Hashim Abdul Halim passes away 6


Current Affairs

Amar Ujala Publication

r CPM veteran and Former West Bengal Assembly Speaker Hashim Abdul Halim passed away in Kolkata. He was 80. Halim had a record of serving as the Assembly speaker for 29 long years from 1982 to 2011 during the Left Front rule.

INTERNATIONAL AFFAIRS r Punjabi became third most common language in Parliament of Canada r Punjabi became Canada’s third most common language obtained the same position in the country’s Parliament after English and French followed by the polling of 20 Punjabi-speaking entrants to the House of Commons. The voice of the Indo-Canadian community will now be very well interpreted in the parliament.

BOOKS & AUTHORS r First copy of book on ‘The President of India and the Governance of Higher Education Institutions’ presented to the President r The President of India, Shri Pranab Mukherjee received the first copy of a book ‘The President of India and the Governance of Higher Education Institutions’ (November 2, 2015) at Rashtrapati Bhavan from the Founding Chancellor Mr. Naveen Jindal and Founding Vice Chancellor, Professor (Dr.) C. Raj Kumar of O.P. Jindal Global University.

APPOINTMENTS r IPL COO Sundar Raman resigns, BCCI accepts resignation r Indian Premier League Chief Operating Officer (COO) Sundar Raman has resigned from his position. In an effort to clean up the system, the BCCI has promptly accepted Raman’s resignation. It has been learnt that he had been asked by BCCI President Shashank Manohar to put in his papers by October 31. r Manpreet Vohra appointed India’s new envoy to Afghanistan r Senior diplomat Manpreet Vohra has been appointed as India’s Ambassador to strategically important Afghanistan, succeeding Amar Sinha.

3RD NOVEMBER

INDIAN AFFAIRS r National Tribal Crafts Mela Aadishilp-2015 begins in New Delhi r Union Tribal Affairs Minister Shri Jual Oram inaugurated National Tribal Crafts Mela Aadishilp at Dilli Haat in New Delhi on 2 November, 2015. r Mysuru becomes first visually impairedfriendly railway station r Mysuru MP Pratap Sinha inaugurated the facility the country’s first visually challenged friendly station in Karnataka. r Dr Jitendra Singh inaugurates 7th Nuclear Energy Conclave in New Delhi r The Union Minister of State (Independent Charge) Development of North Eastern Region (DoNER), MoS PMO, Personnel, Public Grievances, Pensions, Atomic Energy and Space Dr Jitendra Singh inaugurates 7th Nuclear Energy Conclave in New Delhi and he said that India’s nuclear programme is ahead of many other nations and truly testifies the Make in India initiative.

AWARDS & RECOGNITIONS r AIR programme on Child Labour wins 2015 ABU Prizes

SCIENCE & TECHNOLOGY r Fast patrol vessel ICGS Arinjay commissioned in Kochi

SPORTS r Mana Patel, Virdhawal won best swimmers’ award in 69th senior National Aquatic Championships r India goalkeeper Gurpreet Singh Sandhu set for Europa tryst r Gurpreet Singh Sandhu created history by becoming the first Indian footballer to play for a first division European club, goalkeeper Gurpreet 7


Amar Ujala Publication

Current Affairs

SPORTS

Singh Sandhu added another feather to his cap by ensuring that he would be the first from his country to be part of a team scheduled to play in the Europa League next season.

r Indian Boxer Shiva Thapa attained No.2 spot in World Rankings r Michelle Payne becomes first female jockey to win Melbourne Cup r Pakistani Cricketer Shoaib Malik announces retirement from Test Cricket r Former captain of Pakistan cricket team Shoaib Malik (33) announced his Test retirement after the third day’s play of the third Test against England in Sharjah.

OBITUARY r Actor and Oscar-winning writer Colin Welland passes away r Academy Award-winning British actor and screen writer Colin Welland has died at 81 after years of struggling with Alzheimer’s disease. Welland was born to John Arthur "Jack" and Norah Williams in Leigh, Lancashire in 1934. Welland started his acting career in the BBC’s TV series, "Z-Cars". He then starred as a (seemingly prophetic) villain Frank Chadwick in an episode of the 1970’s British TV police drama.

OBITUARY r Former England Cricketer Tom Graveney died r Former England captain and MCC president Tom Graveney died at age 88. Graveney, who was born in Northumberland, was Worcestershire president from 1994-98..

4 November

5 NOVEMEBR

INDIAN AFFAIRS

INDIAN AFFAIRS

r Maharashtra Government approves APJ Abdul Kalam Amrut Yojna

r Union Cabinet gives nod to UDAY Scheme for financial restructuring package for power DISCOMs r PM launches gold schemes, coin with Ashok Chakra r Union Cabinet gives nod to MoU on Tourism with Colombia r NGT bans age-old agricultural practice of straw burning in Northern States r National Green Tribunal (NGT) has banned ageold agricultural practice of straw burning in pollution-ravaged New Delhi announced by a is a bench headed by NGT chairperson Justice Swatanter Kumar directed the Delhi government. Imposition of 2,500 to 15,000 rupees fine on farmers indulged in straw burning. r Daughters cannot inherit ancestral property if father died before 2005: SC r By disappointing many women in the country, the apex court (Supreme court) announced that the 2005 amendment in Hindu law will not give property rights to a daughter if the father died ahead the amendment took place. If the daughter want to become a co-sharer with her broth-

INTERNATIONAL AFFAIRS r ·India ranks 99 on Global Prosperity Index r Taiwan and China to hold historic meet for the first time r Taiwan’s President Ma Ying-jeou will meet his Chinese counterpart Xi Jinping in Singapore on relations across the Taiwan Straits. China claims sovereignty over Taiwan and views the island as a breakaway province which will one day be reunited with the mainland.

APPOINTMENTS r Flipkart names Google executive Chatterjee Sr Vice President r Homegrown e-commerce giant Flipkart said that Google’s Surojit Chatterjee will join the company as Senior Vice President and Head of Consumer Experience and Growth. 8


Current Affairs

Amar Ujala Publication medal at the 13th Asian Shooting Championship, finishing second behind Korea’s Park Daehun in the finals of the men’s 50m pistol.

ers, the father would have to be alive on September 9, 2005. r Varanasi selected for Microsoft’s experimental Internet pilot project r On a 1-day visit to India Microsoft’s CEO Satya Nadella selected holy city Varanasi (PM Narendra Modi’s constituency) for experimenting technology pilot for the ardent Digital India programme.

OBITUARY r Former Indian Ambassador to Nepal Bimal Prasad passes away r A close partner of Jayaprakash Narayan Bimal Prasad (92) India’s former Ambassador to Nepal passed away. r Widely known for his study of the Indian independence movement, especially on the prosperous foreign policy of the Indian national congress, written many analysis of Foreign Affairs in the South Asian region.

INTERNATIONAL AFFAIRS r UNGA Disarmament Committee adopts draft resolution backing abolition of nuclear arms r The United Nations General Assembly’s (UNGA) Disarmament Committee has adopted a draft resolution submitted by Japan calling for the abolition of nuclear arms.

BOOKS AND AUTHORS r ISRO releases book on Indian Space Programme r Prof U R Rao, Chairman, PRL Council and Former Chairman, ISRO released a book on Indian Space Programme "From Fishing Hamlet to Red Planet" to commemorate second anniversary of Mars Orbiter Spacecraft launched.

APPOINTMENTS r Ravikumar Sreedharan appointed as MD of Unisys Corporation India r IT solutions company Unisys Corporation has appointed Ravikumar Sreedharan as managing director of its India unit from October 31. Sreedharan, who was leading the application services group in Unisys India takes on additional charge as MD from Kumar Prabhas. r Maldives Parliament impeaches Vice President Ahmed Adeeb Abdul Ghafoor r Maldives police arrested the country’s vice president over his involvement in a blast on a speedboat carrying the country’s president. r Justin Trudeau sworn in as Prime Minister of Canada r Justin Trudeau, Canada’s new leader, sworn in as 23rd prime minister of Canada.

6 NOVEMBER

INDIAN AFFAIRS r CCEA hikes MSP for major Rabi crops including wheat, gram and pulses r President launches IMPRINT India initiative of IITs and IISC r 17 MoUs for Academia –Industry Linkages signed between NIPERs and Pharma Industry r Madhya Pradesh proposes Rs.1,656 cr AMRUT Action Plan

INTERNATIONAL AFFAIRS

AWARDS

r France to deploy its largest warship against IS in Syria and Iraq r France will deploy its aircraft carrier to support operations against Islamic State in Syriaand Iraq said by President Francois Hollande .The carrier is usually accompanied by an attack submarine, several frigates, refuelling ships, as well as fighter jets and surveillance aircraft.

r Actor Vikram Gokhale awarded 2015 Vishnudas Bhave Award

SPORTS r 2015 Paragliding World Cup concluded r Jitu Rai won silver in 13th Asian Shooting Championship r Ace shooter Jitu Rai won India’s first senior 9


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Current Affairs r Scientists develop 3-D printing method to make embryonic stem cells r Scientists from China and United States have developed a 3-D printing method to produce highly uniform ‘blocks’ of embryonic stem cells. The new method used extrusion-deposition based 3-D printing technology to produce a grid-like 3-D (three dimensional) cell structure to grow embryoid body.

BANKING & FINANCE r RBI imposes Rs 1 crore penalty on Dhanlaxmi Bank r Reserve Bank of India imposed a Rs 1-crore penalty on Dhanlaxmi Bank for non-adherence to KYC (know your customer) and anti-money laundering guidelines. r RBI includes Bandhan Bank in second schedule list r Reserve Bank announced that that Bandhan Bank has been included in the second schedule list to making it eligible for loans from the central bank at bank rate under the Reserve Bank of India Act. r Bandhan Bank : r It received an in-principle approval from the RBI in April 2014 and the banking regulator’s final nod on June 17, 2015.

SPORTS r Deepika and Jayanta wins bronze at Asian Archery Championship r Deepika Kumari and Jayanta Talukdar clinched the bronze in the Recurve Mixed team event after beating Chian 5-3 at the Asian Archery Championships

OBITUARY r French intellectual Rene Girard passed away r French intellectual Rene Girard, an academic fascinated in the causes of conflict who earned the nickname "the new Darwin", died Wednesday in the US, Stanford University said. He was 91.

APPOINTMENTS & RESIGNS

7 NOVEMBER

r Navtej Singh Sarna to be new High Commissioner to UK r Navtej Singh Sarna an Indian Foreign Service officer of 1980 batch, will be India’s next high commissioner to UK announced by the external affairs ministry .

INDIAN AFFAIRS r Union Government decided to impose 0.5% Swachh Bharat Cess on all services r Government has decided to impose 0.5% Swachh Bharat Cess on all services with effect from November 15, 2015, which are presently liable to service tax announced by Finance Minister Arun Jaitley r Child born out of rape has right over assaulter’s property: Allahabad High Court r Recent judgement made by Allahabad High Court has administered that the child will be treated as an illegitimate child of the rape accused and will have inheritance rights to his property and advised that a just law may be depicted by the legislature to deal with this knotty social issue.

AWARDS AND RECOGNITIONS r World’s 3rd Sanskrit film to open IFFI in Goa r Priyamanasam the third Sanskrit feature film to be made in India, has been selected to open at the 46th edition of the 10-day International Film Festival of India (IFFI) in Goa, which will begin from November 20.

SCIENCE & TECHNOLOGY r Australian scientists identify way to target neuroblastoma cancer r Australian scientists have identified a critical molecular ‘feedback loop‘ that helps initiate and drive neuroblastoma, a cancer of the nervous system in children that is triggered in embryonal nerve cells.

APPOINTMENTS & RESIGNS r Romania’s Prime Minister Victor Ponta resigned r Romania’s Prime Minister resigned after being charged for forgery, tax evasion, and 10

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