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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The forced circulation of water does not take place in

Benson boiler
Velox boiler
LaMont boiler
Lancashire boiler

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Steam Boilers, Engines, Nozzles and Turbines
In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade.

None of these
Less than
Equal to
Greater than

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Steam Boilers, Engines, Nozzles and Turbines
Maximum energy loss in a boiler occurs due to

Incomplete combustion
Flue gases
Ash content
Unburnt carbon in ash

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Steam Boilers, Engines, Nozzles and Turbines
Adiabatic process is

Reversible process
Constant temperature process
Non-heat transfer process
Essentially an isentropic process

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell.

One-third
One-fourth
One-half
Two-fifth

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

Inclined
None of these
Vertical
Horizontal

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