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1. The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called
2. A machine which violates the first law of thermodynamics is known as perpetual motion machine of the First kind.
3. The change of entropy, when heat is removed from the gas, is positive.
4. Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as
5. In a reversible adiabatic process, the ratio of T1/T2 is equal to
6. The efficiency of Diesel cycle increases with increase in cut-off.
7. The main analysis of coal consists of the determination of the percentage of
8. The general law for the expansion or compression of gases, is
9. One kilowatt is equal to
10. Reversed Joule cycle is known as
11. When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as
12. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.
13. The heat energy stored in the gas and used for raising the temperature of the gas is known as
14. The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)
15. A cycle consisting of two constant pressure and two isentropic processes is known as
16. The heating of a gas at constant pressure is governed by
17. A closed cycle gas turbine works on Joule's cycle.
18. The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as
19. When the gas is heated at constant pressure, the supplied heat
20. The specific volume of a system is an __________ property.
Thermodynamics MCQ 13
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