Chemical Engineering - Chemical Engineering Basics

11. 

Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas)

A. T
B. 1/p
C. y
D. 1/ρ

Answer: Option B

Explanation:

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12. 

A material lacking in toughness is usually termed as

A. plastic
B. malleable
C. brittle
D. ductile

Answer: Option C

Explanation:

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13. 

The basic constituent of vegetable oils is

A. triglyceride
B. fatty acids
C. fatty alcohol
D. mono esters

Answer: Option B

Explanation:

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14. 

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

A. decreases
B. increases
C. remains same
D. may increase or decrease

Answer: Option A

Explanation:

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15. 

Which of the following terminology is used for the temperature at which new grains are formed in a metal ?

A. Eutectic temperature.
B. Lower critical temperature.
C. Recrystallisation temperature.
D. Upper critical temperature.

Answer: Option C

Explanation:

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