Work done is zero for the following process_________________?

Related Mcqs:

1. Work done in a free expansion process is___________________?

   A. + ve
   B. -ve
   C. zero
   D. maximum
   E. minimum

2. In a non-flow reversible process for which p = (- 3V+ 15) x 105N/m2,V changes from 1 m to 2 m3. The work done will be about_______________?

   A. 100 xlOO5 joules
   B. lxlO5 joules
   C. 10 xlO5 joules
   D. 10 xlO5 kilo joules
   E. 10xl04kiojoules

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. Work done in an adiabatic process between a given pair of end states depends on__________________?

   A. the end states only
   B. particular adiabatic process
   C. the value of index n
   D. the value of heattransferred
   E. mass of the system

5. 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

6. The condition of perfect vacuum, i.e., absolute zero pressure can be attained at ____________________?

   A. a temperature of – 273.16°C
   B. a temperature of 0°C
   C. a temperature of 273 °K
   D. a negative pressure and 0°C temperature
   E. can’t be attained

7. Absolute zero pressure will occur _____________________?

   A. at sea level
   B. at the center of the earth
   C. when molecular momentum of the system becomes zero
   D. under vacuum conditions
   E. at a temperature of – 273 °K

8. According to kinetic theory of gases, the absolute zero temperature is attained when___________________?

   A. volume of the gas is zero
   B. pressure of the gas is zero
   C. kinetic energy of the molecules is zero
   D. specific heat of gas is zero
   E. mass is zero

9. Heat and work are ____________________?

   A. point functions
   B. system properties
   C. path functions
   D. intensive properties
   E. extensive properties

10. An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be________________?

    A. 650°K
    B. 600°K
    C. 625°K
    D. 700°K
    E. 750°K