General gas equation is____________________?

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. 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

3. 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.

4. 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

5. 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

6. The unit of pressure in S.I. units is____________________?

   A. kg/cm2
   B. mm of water column
   C. pascal
   D. dynes per square cm
   E. bars

7. To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is____________________?

   A. divided by its molecular weight
   B. multiplied by its molecular weight
   C. multiplied by its density
   D. multiplied by its specific weight
   E. divided by its specific weight

8. Temperature of a gas is produced due to________________?

   A. its heating value
   B. kinetic energy of molecules
   C. repulsion of molecules
   D. attraction of molecules
   E. surface tension of molecules

9. 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

10. If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as__________________?

    A. free expansion
    B. hyperbolic expansion
    C. adiabatic expansion
    D. parabolic expansion
    E. throttling