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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The radius of a dished head is taken approximately as

One fourth
One
Two
Half

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Steam Boilers, Engines, Nozzles and Turbines
A boiler in India should conform to safety regulations of

ASTM
DIN
BS
IBR

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Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, the effect of super-saturation is to

Increase the heat drop
Decrease dryness fraction of steam
Decrease specific volume of steam
Increase the entropy

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Steam Boilers, Engines, Nozzles and Turbines
Hygrometry deals with the

Pressure of air
Temperature of air
Water vapor in air
Hygroscopic substances

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

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

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

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