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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The rate of steam produced in Benson boiler is

100 tonnes/h
175 tonnes/h
135 tonnes/h
250 tonnes/h

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Steam Boilers, Engines, Nozzles and Turbines
The length of shell of a Locomotive boiler is

1 m
3 m
4 m
2 m

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Steam Boilers, Engines, Nozzles and Turbines
For combustion of a fuel, following is essential

All the three above
Proper ignition temperature
O₂ to support combustion
Correct fuel air ratio

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Steam Boilers, Engines, Nozzles and Turbines
The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine.

Less
Same
More
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The feed check valve is used in order to

Allow high pressure feed water to flow to drum and not allow reverse flow to take place
Regulate flow of boiler water
Check level of water in boiler drum
Recirculate unwanted feed water

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

Vertical
Inclined
Horizontal
None of the listed here

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