Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure___________________?

Related Mcqs:

1. According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ____________________?

   A. Joule’s law
   B. Boyle’s law
   C. Regnault’s law
   D. Gay-Lussac law
   E. Charles’ law

2. Boyle’s law i.e. pV = constant is applicable to gases under ___________________?

   A. all ranges of pressures
   B. only small range of pressures
   C. high range of pressures
   D. steady change of pressures
   E. atmospheric conditions

3. The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is________________?

   A. 29.27 J/kmol°K
   B. 83.14J/kmol°K
   C. 848J/kmol°K
   D. All J/kmol °K
   E. 735 J/kmol °K

4. The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is______________________?

   A. 29.27 kgfm/mol°K
   B. 8314kgfm/mol°K
   C. 848kgfm/mol°K
   D. 427kgfm/mol°K
   E. 735 kgfm/mol°K

5. According to kinetic theory of gases, the absolute zero temperature is attained when___________________?

   A. volume of the gas is zero
   B. pressure of the gas is zero
   C. kinetic energy of the molecules is zero
   D. specific heat of gas is zero
   E. mass is zero

6. The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as_________________?

   A. Dual combustion cycle
   B. Diesel cycle
   C. Atkinson cycle
   D. Rankine cycle
   E. Stirling cycle

7. A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is________________?

   A. 54°C
   B. 327°C
   C. 108°C
   D. 654°C
   E. 600°C

8. The basis for measuring thermodynamic property of temperature is given by___________________?

   A. zeroth law of thermodynamics
   B. first law of thermodynamics
   C. second law of thermodynamics
   D. third law of thermodynamics
   E. Avogadro’s hypothesis

9. According to Avogadro’s law, for a given pressure and temperature, each molecule of a gas_________________?

   A. occupies volume proportional to its molecular weight
   B. occupies volume proportional to its specific weight
   C. occupies volume inversely proportional to its molecular weight
   D. occupies volume inversely proportional to its specific weight
   E. occupies same volume

10. The same volume of all gases would represent their____________________?

    A. densities
    B. specific weights
    C. molecular weights
    D. gas characteristic constants
    E. specific gravities