Chemical Engineering - Chemical Engineering Basics

11. 

In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

A. t = 15 - 0.0065 h
B. t = 15 + 0.0065 h
C. t = 0.0035 h - 15
D. t = 15 - 0.0035 h

Answer: Option A

Explanation:

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12. 

A high pressure boiler generates steam at a pressure greater than __________ kg/cm2 .

A. 10
B. 30
C. 50
D. 80

Answer: Option D

Explanation:

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13. 

Evaporative cooling process employs a combination of cooling and humidification in which the

A. sensible heat is added.
B. sensible heat is removed and the latent heat is added.
C. latent heat is removed.
D. sensible heat is added and latent heat is removed.

Answer: Option B

Explanation:

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14. 

Which of the following is not an explosive ?

A. TNT
B. CMC
C. RDX
D. Lead azide

Answer: Option B

Explanation:

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15. 

Maxwell's thermodynamic relations applies to the

A. chemical systems in equilibrium.
B. mechanical systems in equilibrium.
C. irreversible thermodynamic processes.
D. reversible thermodynamic processes.

Answer: Option A

Explanation:

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