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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
An ideal regenerative cycle is

More than Carnot cycle
Could be anything
Less than Carnot cycle
Equal to Carnot cycle

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Steam Boilers, Engines, Nozzles and Turbines
The working pressure range for a LaMont boiler is

3.5 to 20 MN/m²
1 to 15 MN/m²
2.5 to 15 MN/m²
0.5 to 10 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following varieties of coals is mostly used in steam boilers?

Peat
Brown coal
Non-coking bituminous coal
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called

Forced draught
Balanced draught
Induced draught
Natural draught

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Steam Boilers, Engines, Nozzles and Turbines
Cut-off ratio is the ratio of

Volume at cut-off to the clearance volume
Volume at cut-off to the swept volume
Swept volume to the volume at cut-off
Clearance volume to the volume at cut-off

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Steam Boilers, Engines, Nozzles and Turbines
The state of vapor under saturation condition is described by

Pressure and dryness fraction
Pressure alone
Pressure and temperature
Temperature alone

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