Chemical Engineering - Chemical Engineering Basics

46. 

The phenomenon occurring during explosion of a hydrogen bomb is

A. nuclear fission.
B. nuclear fusion.
C. a combination of both nuclear fission & fusion.
D. none of these.

Answer: Option C

Explanation:

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

47. 

Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

A. hot rolled mild
B. cold rolled mild
C. forged
D. machinable stainless

Answer: Option B

Explanation:

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

48. 

Nitriding of a steel part does not increase its

A. grain size.
B. fatigue limit.
C. surface hardness.
D. wear resistance.

Answer: Option A

Explanation:

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

49. 

__________ of grey cast iron produces white cast iron.

A. Tempering
B. Rapid heating
C. Rapid cooling
D. Slow cooling

Answer: Option B

Explanation:

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

50. 

As the fluid flow rate increases, the float of the rotameter

A. rises in the tube.
B. rotates at higher speed.
C. rotates at lower speed.
D. drops down in the tube.

Answer: Option A

Explanation:

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

« Prev   1 2 3 4 5 6 7 8 9 10