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91
Rate of chemical reaction is not much affected, if the reactants are in __________ form.
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Answer: Option C
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92
Resistance of an electrical conductor is proportional to its (where, L = length and A = cross-sectional area of the conductor)
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Answer: Option D
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93
Out of the following the refractive index is the highest for
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Answer: Option B
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94
Compressed dry air is used as the cutting fluid, while machining
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Answer: Option B
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95
The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.
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Answer: Option C
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96
Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
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Answer: Option B
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97
The increase in hardness of metal due to its cold working is termed as the __________ hardening.
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Answer: Option C
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98
Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.
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Answer: Option B
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99
Pressure exerted by a liquid depends upon its
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Answer: Option B
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100
Scab is a defect developed during __________ of metals.
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Answer: Option B
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