201. One kg of carbon produces __________ kg of carbon dioxide.
3-Jul
7-Mar
11-Mar
3-Nov
✅ The correct answer is option C.
Thermodynamics MCQs
202. Stirling cycle consists of
two constant volume and two isentropic processes
two constant volume and two isothermal processes
two constant pressure and two isothermal processes
one constant volume, o
✅ The correct answer is option B.
203. A close cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.
same
lower
higher
✅ The correct answer is option C.
204. A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is
30 kJ
54 kJ
84 kJ
114 kJ
✅ The correct answer is option B.
205. The value of one bar (in S. I. units) is equal to
1 x 102 N/m2
1 x 103 N/m2
1 x 104 N/m2
1 x 105 N/m2
✅ The correct answer is option D.
206. The gas in cooling chamber of a closed cycle gas turbine is cooled at
constant volume
constant temperature
constant pressure
none of these
✅ The correct answer is option C.
209. To ensure complete and rapid combustion of a fuel, some quantity of air, in excess of the theoretical or minimum air is supplied.
Yes
No
✅ The correct answer is option A.
210. The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as
law of equipartition of energy
law of conservation of energy
law of degradation of energy
none of these
✅ The correct answer is option A.