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91
Which of the following fastening devices has its both ends threaded?
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Answer: Option B
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92
Out of the following, __________ waves have the largest wavelength.
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Answer: Option A
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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 ?
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Answer: Option C
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94
One of the methods of purification of leach liquor is ion exchange, which involves
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Answer: Option C
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95
Which of the following forces does not act on a fluid at rest?
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Answer: Option A
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96
Permanent set in a material is produced by subjecting it to
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Answer: Option C
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97
Cadmium in zinc leach liquor is removed by cementation using
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Answer: Option A
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98
Holes for rivetting purposes should be preferably made by
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Answer: Option B
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99
Exposure to __________ accelarates the degradation of plastics.
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Answer: Option A
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100
Which of the following equipments is used for liquid dispersion?
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Answer: Option B
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