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

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. If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to__________________?

   A. + v
   B. – ve
   C. zero
   D. pressure x volume
   E. any where between zero and infinity

3. 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

4. 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

5. Molecular volume of any perfect gas at 600 x 103 N/m2 and 27°C will be ____________________?

   A. 4.17m3/kgmol
   B. 400 m3/kg mol
   C. 0.15 m3/kg mol
   D. 41.7 m3/kg mol
   E. 417m3/kgmol

6. 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

7. 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

8. A heat exchange process in which the product of pressure and volume remains constant is known as_______________?

   A. heat exchange process
   B. throttling process
   C. isentropic process
   D. adiabatic process
   E. hyperbolic process

9. 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

10. 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