Gas turbine cycle consists of___________________?

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. 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

3. Otto cycle consists of following four processes____________________?

   A. two isothermals and two isentropics
   B. two isentropics and two constant volumes
   C. two isentropics, one constant volume and one constant pressure
   D. two isentropics and two constant pres-sures
   E. none of the above

4. Brayton cycle consists’ of following four processes____________________?

   A. two isothermals and two isentropics
   B. two isentropics and two constant volumes
   C. two isentropics, one constant volume and one constant pressure
   D. two isentropics and two constant pres-sures
   E. none of the above

5. Diesel cycle consists of following four processes_________________?

   A. two isothermals and two isentropics
   B. two isentropics, and two constant volumes.
   C. two isentropics, one constant volume and one constant pressure
   D. two isentropics and two constant pressures
   E. none of the above

6. 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

7. 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.

8. 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

9. 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

10. The ideal efficiency of a Brayton cycle without regeneration with increase ni pressure ratio will_________________?

    A. increase
    B. decrease
    C. remain unchanged
    D. increase/decrease depending on application
    E. unpredictable