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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Rateau turbine is

Simple reaction turbine
Pressure-velocity compounded turbine
Pressure compounded turbine
Velocity compounded turbine

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Steam Boilers, Engines, Nozzles and Turbines
The condition of steam in boiler drum is always

Wet
Saturated
Supersaturated
Dry

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Steam Boilers, Engines, Nozzles and Turbines
When the nozzle operates with the maximum mass flow, the nozzle is said to be

None of these
Choked
Under-damping
Over-damping

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Steam Boilers, Engines, Nozzles and Turbines
The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the

Blades are equiangular
Blades are equiangular and frictionless
Blade solidity is 0.65
Blade velocity coefficient is unity

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called

Receiver type compound engine
Tandem type compound engine
None of these
Woolf type compound engine

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks

180° to each other
None of these
90° to each other
0° to each other

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