The weight of 1 cu-m of carbon dioxide at NTP if the characteristic gas constant is 19.28 kg metre/kg/?C, would be
A.1 kg
B.1.5 kg
C.1.962 kg
D.2.5 kg
E.3.924 kg
Category: Thermodynamics Mcqs
In which case the heat transferred from the air when compressed from 1 ata 15?C to 6 ata would be maximum
A.Adiabatic
B.Isothermal
C.Polytropic pv1.3 = C
D.Polytropic pv1.31 = C
E.Polytropic pv1.35 = C
In a Carnot cycle the heat is rejected at
A.Constant volume
B.Constant pressure
C.Constant temperature
D.Constant enthalpy
E.Constant entropy
Otto cycle consists of the set of processes as
A.Two isentropics and two constant volumes
B.Two isentropics and two constant pressure
C.Two adiabatic and two isothermal
D.Two isothermal and two constant volume
E.Two isothermal and two constant pressure
According to the Kinetic theory of gases the collision between the molecules are assumed to be
A.Perfectly elastic
B.Perfectly inelastic
C.50% elastic
D.Partly elastic
E.Partly inelastic
1 micron is equivalent to
A.10-2 cm
B.10-3 cm
C.10-4 cm
D.10-6 cm
E.None of the above
A constant volume gas thermometer closely follows:
A.Boyle’s law
B.Charle’s law
C.Gay Lussac’s law
D.None of the above
In which of the following case the process of sublimation can occur?
A.Solid carbondioxide
B.Solid oxygen
C.Solid nitrogen
D.Liquid air
E.Sodium
A petrol engine fuel that knocks at a low speed
A.has a high octane rating
B.may not knock at high speed
C.will always knock at high speed
D.will have low fire point
