Mechanical Engineering : Steam Boilers QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.The equivalent evaporation of a boiler is a measure to compare |
| the given boiler with the model |
| the two different boilers of the same make |
| two different makes of boilers operating under the same operating conditions |
| two boilers of same make but operaing under different conditions |
| any type of boilers operating under any conditions. |
2.Coke is produced by |
| pulverising coal in inert atmosphere |
| heating wood in a limited supply of air at temperatures below 300GC |
| strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel |
| binding the pulverised coal into bricketts |
| enriching carbon in the coal. |
3.Stoichiometric quantity of air is the |
| air present in atmosphere at NTP conditions |
| air required for complete combustion of fuel with no excess air |
| air required for optimum combustion so as to have reasonable excess air |
| air required to convert CO into C02 |
| air required to form an explosive mixture. |
4.Equivalent evaporation is the amount of water evaporated in a boiler from and at |
| 0�C |
| 100�C |
| saturation temperature at given pres�sure |
| room temperature |
| 20�C. |
5.Heating of dry steam above saturation temperature is known as |
| enthalpy |
| superheating |
| supersaturation |
| latent heat |
| super tempering. |
More Steam Boilers QUESTIONS AND ANSWERS available in next pages
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