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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In a receiver type compound engine, the high pressure and low pressure cylinders

Are set at 90°
Have common piston rod
Have separate piston rods
Are set in V-arrangement

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Steam Boilers, Engines, Nozzles and Turbines
For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler.

Equal
More
None of these
Less

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Steam Boilers, Engines, Nozzles and Turbines
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of

20 atmospheres
10 atmospheres
40 atmospheres
30 atmospheres

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Steam Boilers, Engines, Nozzles and Turbines
In a boiler, the heat is lost

In moisture present in the fuel
To dry flue gases
To steam formed by combustion of hydrogen per kg of fuel
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The aim of a compound steam engine is

To reduce the temperature range in each cylinder
To reduce the ratio of expansion in each cylinder
To reduce the length of stroke
All of these

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Steam Boilers, Engines, Nozzles and Turbines
Tertiary air is the air used to

Cool the scanners
Convert CO (formed in lower zone of furnace) into CO₂ at higher zone
Transport and dry the coal
Provide air around burners for obtaining optimum combustion

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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