365. The main advantage of the reaction turbine is that
A.Much lower-blade Speed can be obtained
B.Very high blade speed can be obtained
C.Huge amount of work can be obtained
D.Very high efficiency can be obtained
366. In velocity stage of steam turbines, the steam pressure
A.Remains constant while passing through moving -blades
B.Veries while passing through blades
C.Is constant after leaving nozzles
D.Veries after leaving nozzles
367. Rateau turbine is basically a
A.Pressure compounded turbine
B.Velocity compounded turbine
C.Pressure velocity compounded turbine
D.Impulse-reaction turbine
368. In a condensing turbine, the pressure in last stage of turbine is
A.Equal to atmospheric
B.Less than atmospheric
C.More than atmospheric
D.May be less or more depending on size of turbine and condenser
369. In pressure compounded turbine
A.Pressure drop in each stage is equal
B.Pressure increases as steam flows over blades
C.Most of kinetic energy of steam is absorbed as it passes over moving,blades
D.Pressure remains uniform throughout
370. Parson's reaction turbine is basically a
A.Pressure compounded turbine
B.Velocity compounded turbine
C.Pressure velocity compounded turbine
D.Impulse-reaction turbine
371. The purpose of a barring gear (or turning gear) with steam turbines is to
A.Rotate the rotor and allow uniform cooling on tripping of turbine, thus avoiding warping of rotor
B.Crank the turbine
C.Test the alignment
D.Stop the turbine
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