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Mechanical Engineering Objective Questions { Thermodynamics }

295. A heat exchange process in which the product of pressure and volume remains constant is known as
A.Heat exchange process
B.Hyperbolic process
C.isentropics process
D.Adiabatic process
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296. The internal energy of a system is a function of only
B.Temperature (absolute)
D.Pressure and temperature
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297. In an isothermal process, the internal energy of gas molecules
C.Remains constant
D.May increase/decrease depending on the properties of gas
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298. Zeroth law of thermodynamics
A.Deals with conversion of mass and energy
B.Deals with reversibility and irreversibility of process
C.States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other
D.Deals with heat engines
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299. If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be
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300. The basis for measuring thermodynamic property of temperature is given by
A.Zeroth law of thermodynamics
B.First law of thermodynamics
C.Second law of thermodynamics
D.Third law of thermodynamics
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301. One watt is equal to
A.1 Nm/Sec
B.1 N/m
C.1 Nm/hr
D.1 Knm/hr
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