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

Related Mcqs:

1. 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

2. 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

3. A cycle consisting of two adiabatics and two constant pressure processes is known as___________________?

   A. Otto cycle
   B. Ericsson cycle
   C. Joule cycle
   D. Stirling cycle
   E. Atkinson cycle

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. 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

6. 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

7. Specific heat of air at constant pressure is equal to___________________?

   A. 0.17
   B. 0.21
   C. 0.24
   D. 1.0
   E. 1.41

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. Change in enthalpy of a system is the heat supplied at___________________?

   A. constant pressure
   B. constant temperature
   C. constant volume
   D. constant entropy
   E. N.T.P. condition

10. The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that___________________?

    A. carnot cycle can’t work with saturated steam
    B. heat is supplied to water at temperature below the maximum temperature of the cycle
    C. a rankine cycle receives heat at two places
    D. rankine cycle is hypothetical
    E. none of the above