Mechanical Engineering : Steam Boilers QUESTIONS AND ANSWERS :: part2 : 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.At critical point, i.e. p=225.65 kg/cm2, the latent enthalpy of vaporization is |
| maximum |
| minimum |
| zero |
| depends on temperature also |
| none of the above. |
12.The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become |
| wet |
| superheated |
| remain dry saturated |
| dry |
| none of the above. |
13.Heating wet steam at constant temperature is heating it at constant |
| volume |
| pressure |
| entropy |
| enthalpy |
| none of the above. |
14.Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to |
| 421 kgm |
| 421 kgm |
| 539 kgm |
| 102 kgm |
| 75 kgm. |
15.Adiabatic process is |
| essentially an isentropic process |
| non-heat transfer process |
| reversible process |
| constant temperature process |
| constant enthalpy process. |
More Steam Boilers QUESTIONS AND ANSWERS available in next pages
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