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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power)

(I.P.)²
1/(I.P)²
I.P.
1/(I.P)

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Steam Boilers, Engines, Nozzles and Turbines
O₂ content in atmospheric air on volume basis is

0.21
0.3
0.4
0.23

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Steam Boilers, Engines, Nozzles and Turbines
The steam enters the nozzle at a

Low pressure and a low velocity
High pressure and a high velocity
Low pressure and a high velocity
High pressure and a low velocity

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as

Equivalent evaporation
Boiler efficiency
Power of a boiler
Factor of evaporation

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Steam Boilers, Engines, Nozzles and Turbines
The forced circulation of water does not take place in

Benson boiler
LaMont boiler
Velox boiler
Lancashire boiler

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Steam Boilers, Engines, Nozzles and Turbines
The function of injector used in small capacity boilers is to

Create vacuum
Pump water, similar to boiler feed pump
Inject chemical solution in feed pump
Add make up water in the system

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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