The unit’of universal gas constant is___________________?

Related Mcqs:

1. 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.

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. Addition of heat at constant pressure to a gas results in________________?

   A. raising its temperature
   B. raising its pressure
   C. raising its volume
   D. raising its temperature and doing external work
   E. doing external work

9. 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

10. 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