A)
A flywheel is a must for steam turbine.
B)
The efficiency of steam turbines is greater than steam engines.
C)
The turbine blades do not change the direction of steam issuing from the nozzle
D)
The pressure of steam, in reaction turbines, is increased in fixed blades as well as in moving blades

Correct Answer : Option () :  

Recently Updated in Steam Nozzles and Turbines Questions
The impulse turbine rotor efficiency will have a maximum value of 0.5 cos2 α, where α is the nozzle exit flow angle, if the
A)
blades are equiangular
B)
blade solidity is 0.65
C)
blade velocity coefficient is unity
D)
blades are equiangular and frictionless

Correct Answer :   blades are equiangular and frictionless

Rateau turbine is
A)
velocity compounded turbine
B)
simple reaction turbine
C)
pressure-velocity compounded turbine
D)
pressure compounded turbine

Correct Answer :   pressure compounded turbine

The flow of steam is super-sonic
A)
at the throat of the nozzle
B)
in the divergent portion of the nozzle
C)
at the entrance to the nozzle
D)
in the convergent portion of the nozzle

Correct Answer :   in the divergent portion of the nozzle

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Theory of Machines
Engineering Mechanics
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Thermodynamics
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