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11
Heat release during phase change is observed in case of a/an
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Answer: Option B
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12
For dynamic strain measurement, the wheatstone bridge used is of __________ type.
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Answer: Option B
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13
Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is
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Answer: Option B
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14
Ammonia leakage in the refrigeration system is detected by
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Answer: Option A
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15
Knocking tendency in a petrol engine decreases with increasing
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Answer: Option D
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16
Glass reacts with
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Answer: Option B
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17
The conventional mechnical transducer, which converts pressure signal to displacement signal is
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Answer: Option B
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18
A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is
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Answer: Option D
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19
Photographic plates are coated with
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Answer: Option B
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20
A fine grained grinding wheel should not be used for grinding __________ materials.
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Answer: Option C
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