The behaviour of gases can be fully determined by___________________?
(A) 1 law
(B) 2 laws
(C) 3 laws
(D) 4 laws
Specific heat of air at constant pressure is equal to___________________?
(A) 0.17
(B) 0.21
(C) 0.24
(D) 1.0
(D) 1.41
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at ____________________?
(A) a temperature of – 273.16°C
(B) a temperature of 0°C
(C) a temperature of 273 °K
(D) a negative pressure and 0°C temperature
(D) can’t be attained
Absolute zero pressure will occur _____________________?
(A) at sea level
(B) at the center of the earth
(C) when molecular momentum of the system becomes zero
(D) under vacuum conditions
(D) at a temperature of – 273 °K
Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to________________?
(A) T
(B) j
(C) J2
(D) Vr
(D) 1/Vr
Kinetic theory of gases assumes that the collisions between the molecules are________________?
(A) perfectly elastic
(B) perfectly inelastic
(C) partly elastic
(D) partly inelastic
(D) partly elastic and partly inelastic
Temperature of a gas is produced due to________________?
(A) its heating value
(B) kinetic energy of molecules
(C) repulsion of molecules
(D) attraction of molecules
(D) surface tension of molecules
The unit of pressure in S.I. units is____________________?
(A) kg/cm2
(B) mm of water column
(C) pascal
(D) dynes per square cm
(D) bars
Heat and work are ____________________?
(A) point functions
(B) system properties
(C) path functions
(D) intensive properties
(D) extensive properties
Which of the following items is not a path function ____________________?
(A) heat
(B) work
(C) kinetic energy
(D) vdp
(D) thermal conductivity