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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Locomotive boiler is of the following type

All of the listed here
Multi tubular
Horizontal
Internally fired

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Steam Boilers, Engines, Nozzles and Turbines
A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly

10.05
2.86
6.65
1.05

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Steam Boilers, Engines, Nozzles and Turbines
The draught may be produced by a

Chimney
A steam jet
All of these
Mechanical fan

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Steam Boilers, Engines, Nozzles and Turbines
The overall efficiency of thermal power plant is

Regenerative cycle efficiency
Carnot cycle efficiency
All the three above plus gas cycle efficiency
Boiler efficiency, turbine efficiency, generator efficiency

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Steam Boilers, Engines, Nozzles and Turbines
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine.

Twice
Three times
Four times
Equal to

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Steam Boilers, Engines, Nozzles and Turbines
Adiabatic process is

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

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