Curtis turbine is_____________?

In a steam power plant, the function of a condenser is__________?

A. to maintain pressure below atmospheric to increase work output from the primemover
B. to receive large volumes of steam exhausted from steam prime mover
C. to condense large volumes of steam to water which may be used again in boiler
D. all of the above

In De Laval steam turbine___________?

A. the pressure in the turbine rotor is approximately same as in con¬denser
B. the pressure in the turbine rotor is higher than pressure in the con¬denser
C. the pressure in the turbine rotor gradually decreases from inlet to exit from condenser
D. none from the above

Which of the following power plant has least fuel transportation______________?

A. nuclear power plants
B. diesel generating plants
C. thermal power plants
D. steam power stations

The draught produced by chimney of given height at given outside temperature___________?

A. decreases if the chimney gas temperature increases
B. increases if the chimney gas temperature increases
C. remains same irrespective of chimney gas temperature
D. may increase or decrease

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

The critical pressure ratio of a convergent nozzle is defined as_____________?

A. the ratio of outlet pressure to inlet pressure of nozzle
B. the ratio of inlet pressure to outlet pressure of nozzle
C. the ratio of outlet pressure to inlet pressure only when mass flow rate per unit area is minimum
D. the ratio of outlet pressure to inlet pressure only when mass flow rate = c