Mechanical Engineering : Steam Boilers QUESTIONS AND ANSWERS :: part6 : 11 to 15
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.The height of chimney in a power plant is governed by |
| the draft to be created |
| limitation of construction facilities |
| control of pollution |
| quantity of flue gases to be handled |
| all of the above. |
12.Reheating of steam under ideal conditions takes place at constant |
| entropy |
| enthalpy |
| pressure |
| temperature |
| all of the above. |
13.Which device is used in thermal power plants to reduce level of pollution |
| induced draft fan |
| smoke meter |
| chimney |
| precipitator |
| pulveriser. |
14.Expanding steam to a very low pressure (high vacuum) in steam engines is |
| desirable |
| economical |
| essential |
| optional |
| uneconomical. |
15.02 content in atmospheric air on weight basis is |
| 21% |
| 23% |
| 30% |
| 40% |
| opt 5 |
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