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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Film boiling occurs at

Very low pressure
Medium pressures
Very high pressures
Atmospheric pressures

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of fire tubes in Cochran boiler is of the order of

2 cm
8 cm
12 cm
6 cm

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of Cornish boiler varies from

1.25 to 2.5 m
2 to 3 m
0.5 to 1 m
1 to 2 m

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Steam Boilers, Engines, Nozzles and Turbines
The friction in the nozzle __________ exit velocity of steam.

None of these
Increases
Has no effect on
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
The three "Ts" for good combustion are

Total air, true fuel, and turbulence
Temperature, time, and turbulence
Total air, time, and temperature
Thorough mixing, total air and temperature

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

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

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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