Chemical Engineering - Chemical Engineering Basics

36. 

A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is

A. 0
B. 0.33
C. 0.44
D. 0.25

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

37. 

The surface tension of a liquid, at critical temperature is

A. indeterminate.
B. zero.
C. infinity.
D. same as that at any other temperature.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

38. 

Large scale fire on fuel gas line is normally extinguished by

A. water
B. steam
C. foam
D. nitrogen

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

39. 

Brazing is the joining of metals

A. without melting the base metal.
B. with a non-ferrous filler.
C. both (a) & (b).
D. neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

40. 

Moist climate is the most favourable factor in the site selection far a

A. steel plant
B. textile factory
C. petroleum refinery
D. coke oven battery

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.