Mechanical Engineering - Thermodynamics

46.
Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules. This statement is called Avogadro's law.
True
False
Answer: Option
Explanation:
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47.
Wood charcoal is produced by heating the wood at 100°C.
Yes
No
Answer: Option
Explanation:
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48.
The __________ is obtained when carbonisation of coal is carried out at 500° to 700° C.
soft coke
hard coke
pulverised coal
bituminous coal
Answer: Option
Explanation:
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49.
The bomb calorimeter is used for finding the __________ calorific value of solid and liquid fuels.
higher
lower
Answer: Option
Explanation:
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50.
The efficiency of the Carnot cycle may be increased by
increasing the highest temperature
decreasing the highest temperature
increasing the lowest temperature
keeping the lowest temperature constant
Answer: Option
Explanation:
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