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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Curtis turbine is a

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

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio for initially wet steam is

0.577
0.601
0.546
0.582

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Steam Boilers, Engines, Nozzles and Turbines
A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as

Steam boiler
Economiser
Steam preheater
Steam condenser

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Steam Boilers, Engines, Nozzles and Turbines
In a receiver type compound engine, the high pressure and low pressure cylinders

Have common piston rod
Are set in V-arrangement
Have separate piston rods
Are set at 90°

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Steam Boilers, Engines, Nozzles and Turbines
The state of vapor under saturation condition is described by

Pressure and dryness fraction
Pressure and temperature
Pressure alone
Temperature alone

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Steam Boilers, Engines, Nozzles and Turbines
The relative heat absorption for successively added equal areas of boiler convection heating surfaces

Remain unaffected
Decreases
Increases
First increases and then decreases

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