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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Fusible plug for boilers is made of fusible metal containing tin, lead, and

Copper
Bismuth
Aluminium
Nickel

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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

6.65
10.05
1.05
2.86

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Steam Boilers, Engines, Nozzles and Turbines
Over fire burning is the phenomenon of

Burning CO and unburnt in upper zone of furnace by supplying more air
Supply of excess coal
Supply of excess, air
Fuel bed firing

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The function of a cross-head is to guide motion of the _________ and to prevent it from bending.

Eccentric rod
Valve rod
Connecting rod
Piston rod

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Steam Boilers, Engines, Nozzles and Turbines
The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called

Fusible plug
Safety valve
Pressure gauge
Water level indicator

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