Steam turbines commonly used in steam power station are__________?

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Rankine cycle efficiency of a good steam power plant may be in the range of____________?

A. 15 to 20 per cent B. 35 to 45 per cent C. 70 to 80 per cent D. 90 to 95 per ceut...

Artificial draught is produced by______________?

A. induced fan B. forced fan C. induced and forced fan D. all of the above...

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 … The critical pressure ratio of a convergent nozzle is defined as_____________?Read More...

For the safety of a steam boiler the number of safety valves fitted are____________?

A. four B. three C. two D. one...

One kilowatt hour is equal to_________?

A. 532 k cal. B. 735 k cal. C. 746 k cal. D. 860 k cal....