A steam power station requires space______________?

Related Mcqs:

1. Steam turbines commonly used in steam power station are__________?

   A. condensing type
   B. non-condensing type
   C. none of the above

2. Steam pressure in a steam power station, which is usually kept now-a-days is of the order of____________?

   A. 20 kgf/cm2
   B. 50 kgf/cm2
   C. 100 kgf/cm2
   D. 150 kgf/cm2

3. The overall efficiency of a steam power station is ________ its thermal efficiency.

   A. less than
   B. equal to
   C. greater than
   D. none of the above

4. At low value of power factor, the cost of generation of a power station will be____________?

   A. high
   B. low
   C. remain same
   D. none of the above

5. The isentropic expansion of steam through nozzle for the steam initially superheated at inlet is approximated by equation__________?

   A. pvls=C
   B. pv1126 = C
   C. pv1A = C
   D. pv = C

6. The ratio of exit pressure to inlet pressure for maximum mass flow rate per unit area of steam through a nozzle when steam is initially dry saturated is___________?

   A. 0.6
   B. 0.578
   C. 0.555
   D. 0.5457

7. The ratio of exit pressure to inlet pressure of maximum mass flow rate per area of steam through a nozzle when steam is initially superheated is__________?

   A. 0.555
   B. 0.578
   C. 0.5457
   D. 0.6

8. The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation?

   A. pv = C
   B. pv1A = C
   C. pv1i = C
   D. pv

9. Load center in a power station is___________?

   A. center of coal fields
   B. center of maximum load of equipments
   C. center of gravity of electrical system

10. If the load factor of a power station is high then its cost of generation will be_______?

    A. High.
    B. Low.
    C. Remain same.
    D. Depend upon plant type.