A. increases
B. decreases
C. remains constant
D. may increase/decrease depending on the properties of gas
E. shows unpredictable behaviour

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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________________?
    A. increases B. decreases C. remains constant D. first increases and then decreases E. first decreases and then increases...
  3. Which law states that the internal energy of a gas is a function of temperature__________________?
    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. An ideal gas as compared to a real gas at very high pressure occupies_________________?
    A. more volume B. less volume C. same volume D. unpredictable behaviour E. no such correlation...
  8. Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?
    A. specific heat at constant pressure B. specific heat at constant volume C. ratio of two specific heats D. gas constant E. unity....
  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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