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.

A. True
B. False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

47. 

Wood charcoal is produced by heating the wood at 100°C.

A. Yes
B. No

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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:

No answer description available for this question. Let us discuss.

49. 

The bomb calorimeter is used for finding the __________ calorific value of solid and liquid fuels.

A. higher
B. lower

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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:

No answer description available for this question. Let us discuss.

« Prev   1 2 3 4 5 6 7 8 9 10