Chemical Engineering - Chemical Engineering Basics

41. 

Device used as a standard for the calibration of pressure gauges is a

A. bellow
B. diaphragm
C. dead weight pressure tester
D. mercury manometer

Answer: Option C

Explanation:

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

42. 

X-rays are

A. positively charged.
B. negatively charged.
C. neutral.
D. of higher wavelength than visible light.

Answer: Option C

Explanation:

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

43. 

Diffusion co-efficient of a metal in a solid solution depends upon its

A. composition
B. temperature
C. both (a) & (b)
D. neither (a) nor (b)

Answer: Option C

Explanation:

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

44. 

Cast iron contains __________ percent carbon.

A. 2.5
B. 3.75
C. 4.75
D. 5.25

Answer: Option A

Explanation:

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

45. 

Alloys having more than 80% copper are generally more

A. abrasion resistant.
B. corrosion resistant.
C. prone to season cracking.
D. machinable.

Answer: Option B

Explanation:

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