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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The actual power generated in the engine cylinder is called

Indicated power
Brake power
None of these
Frictional power

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Steam Boilers, Engines, Nozzles and Turbines
Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

48 : 20 : 15 : 7 : 10
10 : 7 : 15 : 20 : 48
7 : 15 : 20 : 10 : 48
20 : 48 : 7 : 15 : 10

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Steam Boilers, Engines, Nozzles and Turbines
The length of Lancashire boiler varies from

7.25 to 9 m
6 to 7 m
9 to 10 m
5 to 6 m

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Steam Boilers, Engines, Nozzles and Turbines
Caking coals are those which

Burn freely
Burn completely
Form lumps or masses of coke
Show little or no fusing action

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Steam Boilers, Engines, Nozzles and Turbines
1 kg.m is equal to

9.81 Joules
427 Joules
None of these
102 Joules

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

None of these
Horizontal
Vertical
Inclined

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