Mechanical Engineering : Thermodynamics QUESTIONS AND ANSWERS :: part3 : 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.Work done is zero for the following process |
| constant volume |
| free expansion |
| throttling |
| all Of the above |
| none of the above. |
2.The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is |
| 29.27 kgfm/mol�K |
| 8314kgfm/mol�K |
| 848kgfm/mol�K |
| 427kgfm/mol�K |
| 735 kgfm/mol�K. |
3.A heat exchange process in which the product of pressure and volume remains constant is known as |
| heat exchange process |
| throttling process |
| is entropic process |
| adiabatic process |
| hyperbolic process. |
4.On volume basis, air contains following parts of oxygen |
| 21 |
| 23 |
| 25 |
| 77 |
| 79. |
5.Change in enthalpy of a system is the heat supplied at |
| constant pressure |
| constant temperature |
| constant volume |
| constant entropy |
| N.T.P. condition. |
More Thermodynamics QUESTIONS AND ANSWERS available in next pages
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