A. Charles’ law
B. Joule’s law
C. Regnault’s law
D. Boyle’s law
E. there is no such law
Related Mcqs:
- A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?
A. 300 Nm
B. 300,000 Nm
C. 30 Nm
D. 3000 Nm
E. 30,000 Nm - In an isothermal process, the internal energy of gas molecules________________?
A. increases
B. decreases
C. remains constant
D. may increase/decrease depending on the properties of gas
E. shows unpredictable behaviour - Which law states that the specific heat of a gas remains constant at all temperatures and pressures______________________?
A. Charles’ Law
B. Joule’s Law
C. Regnault’s Law
D. Boyle’s Law
E. there is no such law - Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?
A. pressure
B. temperature
C. volume
D. internal energy
E. entropy - For which of the following substances, the internal energy and enthalpy are the functions of temperature only____________________?
A. any gas
B. saturated steam
C. water
D. perfect gas
E. superheated steam - The pressure’of a gas in terms of its mean kinetic energy per unit volume E is equal to________________?
A. E/3
B. E/2
C. 3E/4
D. 2E/3
E. 5E/4 - The first law of thermodynamics is the law of_________________?
A. conservation of mass
B. conservation of energy
C. conservation of momentum
D. conservation of heat
E. conservation of temperature - According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as____________________?
A. temperature
B. absolute
C. absolute temperature, if volume is kept constant
D. volume, if temperature is kept constant
E. remains constant,if volume and temperature are kept constant - Characteristic gas constant of a gas is equal to______________________?
A. C/Cv
B. Cv/Cp
C. Cp – Cv
D. Cp + Cv
E. Cp x Cv - Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits ?
A. 02, N2, steam, C02
B. Oz, N2, water vapour
C. S02, NH3, C02, moisture
D. 02, N2, H2, air
E. steam vapours, H2, C02
