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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
An air preheater is installed

Between the economiser and chimney
Before the superheater
None of these
Before the economiser

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Scotch marine boiler are

Horizontal
Inclined
Vertical
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of brake power to the indicated power is known as

Indicated thermal efficiency
Mechanical efficiency
Brake thermal efficiency
Overall efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The value of the reheat factor varies from

1.02 to 1.06
1.08 to 1.10
1.6 to 2
1.2 to 1.6

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called

Receiver type compound engine
Woolf type compound engine
Both (A) and (B)
Tandem type compound engine

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Steam Boilers, Engines, Nozzles and Turbines
The overall efficiency of thermal power plant is

Boiler efficiency, turbine efficiency, generator efficiency
Carnot cycle efficiency
All the three above plus gas cycle efficiency
Regenerative cycle efficiency

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