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371.

Excessive moisture in steam in a steam turbine is likely to result in

A.	Excess work done by rotor due to momentum of water particles	B.	Reduced size of steam turbine
C.	Reduced load on condenser	D.	Erosion of turbine blades
E.	Overheating of turbine blaces

372.

The dryness fraction of steam within a turbine is usually not allowed to fali below

373.

In case of a condensing turbine the pressure in the last stage of the turbine is

A.	10 to 12 kg/cm2 above the atmospheric pressure	B.	5 to 6 kg/cm2 above the atmospheric pressure
C.	Slightly above the atmospheric pressure	D.	Same as atmospheric pressure
E.	Less than the atmospheric pressure

374.

Willian's line is relevant to

375.

As the steam flows in a subsonic nozzle, in which the cross-section is decreasing in the direction of flow

A.	The velocity will decrease in the direction of flow	B.	The pressure will increase in the direction of flow
C.	The velocity will decrease while pressure will decrease in the direction of flow	D.	The velocity will increase while pressure will decrease in the direction of flow
E.	None of the above

376.

In case of supersonic flow through the nozzle, when the cross-section increases in the direction of flow

A.	The velocity will decrease in the direction of flow	B.	The pressure will increase in the direction of flow
C.	The velocity will increase while the pressure will decrease in the direction of flow	D.	The velocity will decrease while the pressure will increase in the direction of flow
E.	None of the above

377.

Rateau turbine is a

A.	Velocity compounded impulse turbine	B.	Velocity compounded reaction turibine
C.	Pressure compounded reaction turbine	D.	Pressure compounded impulse turbine
E.	Pressure-velocity compounded turbine

378.

A De-Laval turbine is

A.	Single rotor reaction turbine	B.	Multiple rotor reaction turbine
C.	Multiple stage reaction turbine	D.	Single rotor impulse turbine
E.	Velocity compounded impulse turbine

379.

A Lungistrom turbine is a

A.	Radial flow reaction turbine	B.	Axial flow reaction turbine
C.	Radial flow impulse turbine	D.	Mixed flow impulse turbine
E.	None of the above

380.

Regenerative feed heating of steam turbines is done primarily to

A.	Reduce pressure of steam in exhaust	B.	Improve thermal efficiency of the condenser
C.	Improve overall efficiency of the plant	D.	Reduce boiler losses in the gases
E.	Increase the expansion range for steam in the turbine