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Steam Boilers, Engines, Nozzles and Turbines

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The friction in the nozzle __________ exit velocity of steam.

None of these
Has no effect on
Increases
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
Hard coke is used in

Domestic use
Blast furnace
Thermal power plant
Cement industry

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Steam Boilers, Engines, Nozzles and Turbines
The crown of the fire box is made hemispherical in order to

Resist intense heat in fire box
Give maximum strength
Give maximum space
Withstand pressure inside boiler

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler has __________ internal flue tubes.

Four
One
Two
Three

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

Horizontal
None of the listed here
Inclined
Vertical

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