Chemical Engineering - Chemical Engineering Basics

11. 

Potable water means the water used for

A. fire-fighting
B. cooling
C. drinking
D. evaporation to produce steam

Answer: Option C

Explanation:

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12. 

One ton of refrigeration is not equivalent to the heat removal rate of

A. 200 BTU/minute
B. 50 kcal/minute
C. 50 kJ/sec.
D. 3.5 KW

Answer: Option C

Explanation:

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13. 

Starting friction is low in case of the __________ lubrication.

A. boundary
B. hydrodynamic
C. hydrostatic
D. mixed/semi-fluid

Answer: Option C

Explanation:

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14. 

Ultimate strength in tension as compared to that in shear for steel is

A. half
B. one third
C. one and half times
D. one fourth

Answer: Option C

Explanation:

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15. 

Which of the following heat treatment processes is usually applied to castings ?

A. Tempering
B. Annealing
C. Normalising
D. Carburising

Answer: Option D

Explanation:

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