The modern steam turbines are___________?

If the diversity factor of a power station is high then its generation cost is___________?

A. high
B. low
C. remain same
D. depend on the plan type

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

Rankine cycle operating on low pressure limit of p1 an 1 high pressure limit of p2__________?

A. has higher the renal efficiency than the carnot cycle operating between same pressure limits
B. has lower the”nal efficiency than carnot cycle operating between same pressure limit?
C. has same thermal efficiency as carnot cycle operating between same pressure limits
D. may be more or less depending upon the magnitude of p1 and p2

In a regenerative surface condenser_____________?

A. there is one pump to remove air and condensate
B. there are two pumps to remove air and condensate
C. there are three pumps to remove air, vapour and condensate
D. there is no pump, the condensate gets removed by gravity

Rankine efficiency of a steam power plant____________?

A. improves in summer as compared to that in winter
B. improves in winter as compared to that in summer
C. is unaffected by climatic conditions
D. none of the above

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