Steam Boilers - Interview Questions | Exam2Win

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41. 02 content in atmospheric air on weight basis is

A. 21%

B. 23%

C. 30%

D. 40%

E. opt 5

Explanation:

42. Bomb calorimeter is used to determine

A. Higher calorific value at constant volume

B. Lower calorific value at constant volume ,

C. Higher calorific value at constant pressure

D. Lower calorific value at constant pres�sure

E. None of the above.

Explanation:

43. The maximum discharge through a chimney occurs when the height of chimney is

A. infinitely long

B. around 200 meters

C. equal to the height of the hot gas column producing drought

D. outside temperature is very low

E. more than the tallest building nearby.

Explanation:

44. Proximate analysis of fuel is determination of percentage of

A. carbon, hydrogen, nitrogen, sulphur, moisture

B. fixed carbon, ash, volatile matter, moisture

C. higher calorific value

D. lower calorific value

E. rough analysis.

Explanation:

45. Vacuum for reciprocating steam engines compared to steam turbines is

A. more

B. equal

C. less

D. could be more or less depending on the size of plant

E. none of the above.

Explanation: