A. Charles’ law
B. Joule’s law
C. Regnault’s law
D. Boyle’s law
E. there is no such law

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Related Mcqs:

  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. 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...
  8. 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...
  9. 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...
  10. 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...
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