183. A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as
A.Reversible cycle
B.Irreversible cycle
C.Thermodynamic cycle
D.None of these

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184. An isothermal process is governed by
A.Boyle's law
B.Charles law
C.Gay-Lussac law
D.Avogadro's law

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185. The sum of internal energy (U) and the product of pressure and volume (pv) is known as
A.Workdone
B.Entropy
C.Enthalpy
D.None of these

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186. The value of 1 mm of Hg is equal to
A.1.333 N/m2
B.13.33 N/m2
C.133.3 N/m2
D.1333 N/m2

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187. One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas
A.8/3
B.11/3
C.11/7
D.7/3

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188. The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by
A.Boyle's lw
B.Charles law
C.Gay-Lussac law
D.All of these

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189. The universal gas constant of a gas is the product of molecular mass of the gas and the gas constant
A.Correct
B.Incorrect
C.
D.

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