Mechanical Engineering - Thermodynamics
Exercise :: Thermodynamics - Section 5
| 46. |
Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules. This statement is called Avogadro's law. |
Answer: Option A
Explanation:
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| 47. |
Wood charcoal is produced by heating the wood at 100°C. |
Answer: Option B
Explanation:
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| 48. |
The __________ is obtained when carbonisation of coal is carried out at 500° to 700° C. |
| A. |
soft coke | | B. |
hard coke | | C. |
pulverised coal | | D. |
bituminous coal |
Answer: Option A
Explanation:
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| 49. |
The bomb calorimeter is used for finding the __________ calorific value of solid and liquid fuels. |
Answer: Option A
Explanation:
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| 50. |
The efficiency of the Carnot cycle may be increased by |
| A. |
increasing the highest temperature | | B. |
decreasing the highest temperature | | C. |
increasing the lowest temperature | | D. |
keeping the lowest temperature constant |
Answer: Option A
Explanation:
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