Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

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91.
Which of the following fastening devices has its both ends threaded?

A. Bolt

B. Stud

C. Set screw

D. Split nut

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92.
Out of the following, __________ waves have the largest wavelength.

A. Radio

B. Light

C. X-ray

D. Gamma-ray

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93.
Which of the following metals can be extracted from its ore by both pyrometallur-gical as well as hydrometallurgical methods ?

A. Copper

B. Zinc

C. Both A & B

D. Neither A nor B

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94.
One of the methods of purification of leach liquor is ion exchange, which involves

A. Exchange between two liquid phases

B. Exchange between a gaseous phase and a liquid phase

C. Exchange between a liquid phase and an organic resin phase

D. Exchange between a solid phase and a gas phase

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95.
Which of the following forces does not act on a fluid at rest?

A. Viscous force

B. Gravity force

C. Hydrostatic force

D. Surface tension force

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96.
Permanent set in a material is produced by subjecting it to

A. Triaxial loading

B. Fatigue loading

C. Stresses beyond the elastic limit

D. Tensile & compressive loads simultaneously

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97.
Cadmium in zinc leach liquor is removed by cementation using

A. Zinc

B. Iron

C. Nickel

D. Copper

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98.
Holes for rivetting purposes should be preferably made by

A. Cutting torch

B. Drilling

C. Punching

D. None of these

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99.
Exposure to __________ accelarates the degradation of plastics.

A. Ultraviolet radiation

B. High atmospheric temperature

C. High ambient temperature

D. Damp atmosphere

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100.
Which of the following equipments is used for liquid dispersion?

A. Packed column

B. Venturi scrubber

C. Bubble cap plate column

D. Wetted wall column

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

91. Which of the following fastening devices has its both ends threaded?

Answer & Solution

92. Out of the following, __________ waves have the largest wavelength.

Answer & Solution

93. Which of the following metals can be extracted from its ore by both pyrometallur-gical as well as hydrometallurgical methods ?

Answer & Solution

94. One of the methods of purification of leach liquor is ion exchange, which involves

Answer & Solution

95. Which of the following forces does not act on a fluid at rest?

Answer & Solution

96. Permanent set in a material is produced by subjecting it to

Answer & Solution

97. Cadmium in zinc leach liquor is removed by cementation using

Answer & Solution

98. Holes for rivetting purposes should be preferably made by

Answer & Solution

99. Exposure to __________ accelarates the degradation of plastics.

Answer & Solution

100. Which of the following equipments is used for liquid dispersion?

Answer & Solution

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91.
Which of the following fastening devices has its both ends threaded?

92.
Out of the following, __________ waves have the largest wavelength.

93.
Which of the following metals can be extracted from its ore by both pyrometallur-gical as well as hydrometallurgical methods ?

94.
One of the methods of purification of leach liquor is ion exchange, which involves

95.
Which of the following forces does not act on a fluid at rest?

96.
Permanent set in a material is produced by subjecting it to

97.
Cadmium in zinc leach liquor is removed by cementation using

98.
Holes for rivetting purposes should be preferably made by

99.
Exposure to __________ accelarates the degradation of plastics.

100.
Which of the following equipments is used for liquid dispersion?