Electrical Engineering : Power Plant Engineering QUESTIONS AND ANSWERS :: part2 : 1 to 5
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.The ratio of exit pressure to inlet pressure of maximum mass flow rate per area of steam through a nozzle when steam is initially superheated is |
| 0.555 |
| 0.578 |
| 0.5457 |
| 0.6 |
2.For the induced draught the fan is located |
| near bottom of chimney |
| near bottom of furnace |
| at the top of the chimney |
| anywhere permissible |
3.Artificial draught is produced by |
| air fans |
| steam jet |
| fan or steam jet |
| all of the above |
4.The effect of considering friction losses in steam nozzle for the same pressure ratio leads to |
| increase in exit velocity from the nozzle |
| decrease in exit velocity from the nozzle |
| no change in exit velocity from the nozzle |
| increase or decrease depending upon the exit quality of steam |
5.The draught produced, for a given height of the chimney and given mean temperature of chimney gases |
| decreases with increase in outside air temperature |
| increases with increase in outside air temperature |
| remains the same irrespective of outside air temperature |
| may increase or decrease with increase in outside air temperature |
More Power Plant Engineering QUESTIONS AND ANSWERS available in next pages
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