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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
De-Laval turbine is a

Simple reaction turbine
Simple impulse turbine
Impulse-reaction turbine
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Locomotive boiler has __________ diameter.

5.47 mm
7.45 mm
47.5 mm
4.75 mm

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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 90° to each other, is called

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

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Steam Boilers, Engines, Nozzles and Turbines
Pulverized fuel is used for

Better burning
Less radiation loss
More calorific value
Medium sized units

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Steam Boilers, Engines, Nozzles and Turbines
The variation of steam pressure in the nozzle depends upon

Dryness fraction of steam
Velocity of steam
Specific volume of steam
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The rate of steam produced in Benson boiler is

100 tonnes/h
175 tonnes/h
250 tonnes/h
135 tonnes/h

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