The difference between the principal specific heats of nitrogen is 300 J/kg °K and ratio of the two specific heats is 1.4. then the CP is
1050 J/kg °K
650 J/kg °K
750 J/kg °K
150 J/kg °K
17
CP
and
CV
denote the molar specific heats of a gas at constant pressure and at constant volume respectively. If and
CP/CV=γ,
then
CV
is equal to
R/(γ−1)
(γ−1)/R
Nosolution
373.2oC
18 A gas is taken in a sealed container at 300 K. it is heated at constant volume to a temperature 600 K. the mean K.E. of its molecules is
Halved
Doubled
Tripled
Quadrupled
19 R.M.S velocity of a gas molecule of mass m at given temperature is proportional to
mo
m
m1/2
1/m1/2
20 The mean kinetic energy of one gram-mole of a perfect gas at absolute temperature T is
0.5kT
0.5RT
1.5kT
1.5RT
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