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

184. An isothermal process is governed by

A.Boyle's law

B.Charles law

C.Gay-Lussac law

D.Avogadro's law

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

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

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

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

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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