Evaporation

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Pharmaceutical

Engineering

LONG ANSWER OUESTIONS 1. 2. 3. 4. 5. 6. 7.

Define evaporation. Explain factors influencing evaporation (Refer article 5.4) With diagram, explain advantages, disadvantages and uses of steam jacketed kettle (Refer article 5.6) Describe the principles, construction, working, uses, merits and demerits of horizontal tube evaporator. (Refer article 5.7) Describe the principles, construction, working, uses, merits and demerits of climbing film evaporator. (Refer article 5.8) Describe the principles, construction, working, uses, merits and demerits of forced circulation evaporator. (Refer article 5.9) Explain the working of multiple effect evaporator. (Refer article 5.10) Write detailed note on a. Economy of multiple effect evaporator (Refer article 5.11) b. Application of evaporation (Refer article 5.3)

MULTIPLE

CHOICE QUESTIONS

1.

Which of the following Statement related to process of evaporation that is incorrect

2.

a. Evaporation occurs at any temperature b. Evaporation takes place within liquid c. Evaporation is a slow process d. No bubbles are formed in liquid during evaporation Which of following factors do not atTect rate of evaporation?

3.

a. Temperature of liquid b. Humidity of surrounding air c. Depth of liquid d. Surface of liquid Evaporation take place at

4.

a. b. c. d. The

5.

a. Large b. Small c. Moderate d. None of the above Which of the following evaporator is used in pharmaceutical, a. b. c. d.

All temperature Freezing point Melting point Boiling point rate of evaporation increases It surface area of liquid is

Horizontal tube evaporator Steam jacketed kettle Climbing film evaporator Forced circulation evaporator

pulp and paper industry?


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