Mechanical Engineering : Steam Boilers QUESTIONS AND ANSWERS :: part6 : 16 to 20
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.Bomb calorimeter is used to determine |
| Higher calorific value at constant volume |
| Lower calorific value at constant volume , |
| Higher calorific value at constant pressure |
| Lower calorific value at constant pres�sure |
| None of the above. |
17.The maximum discharge through a chimney occurs when the height of chimney is |
| infinitely long |
| around 200 meters |
| equal to the height of the hot gas column producing drought |
| outside temperature is very low |
| more than the tallest building nearby. |
18.Proximate analysis of fuel is determination of percentage of |
| carbon, hydrogen, nitrogen, sulphur, moisture |
| fixed carbon, ash, volatile matter, moisture |
| higher calorific value |
| lower calorific value |
| rough analysis. |
19.Vacuum for reciprocating steam engines compared to steam turbines is |
| more |
| equal |
| less |
| could be more or less depending on the size of plant |
| none of the above. |
20.Primary air is the air used to |
| provide air around burners for obtaining optimum combustion |
| transport and dry the coal |
| convert CO (formed in lower zone of furnace) into C02 at higher zone |
| air delivered by forced draft fan |
| none of the above. |
More Steam Boilers QUESTIONS AND ANSWERS available in next pages
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