Chemical Engineering - Chemical Engineering Basics

36. 

'Cryogenics' is concerned with the generation & use of low temperature in the range of

A. 0°K to 123°K
B. 0°C to - 123°C
C. 0°C to - 273°C
D. 0°K to 273°K

Answer: Option A

Explanation:

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

37. 

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

A. ability to absorb shock.
B. capacity to store energy.
C. ratio of the wire & coil diameters.
D. load to produce unit deflection.

Answer: Option D

Explanation:

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

38. 

Which of the following materials has the maximum shrinkage allowance ?

A. Brass
B. Cast iron
C. Lead
D. Aluminium alloy

Answer: Option C

Explanation:

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

39. 

Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

A. preloaded spring
B. piezoelectric
C. bonded strain gauge
D. none of these

Answer: Option B

Explanation:

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

40. 

Normalising does not __________ of a metal.

A. improve machinability & tensile strength
B. remove internal stresses
C. refine the structure
D. remove strains caused by cold working

Answer: Option B

Explanation:

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