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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The fusible plug in small boilers is located

Above steam dome
Over the combustion chamber
In the fire tubes
In the drum

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Steam Boilers, Engines, Nozzles and Turbines
Steam turbines are used for

Direct drive of fans, compressors, pumps
Large marine propulsion
Electric power generation
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The velocity of whirl at outlet for an axial discharge turbine is

Minimum
Maximum
None of these
Zero

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Steam Boilers, Engines, Nozzles and Turbines
Vacuum for reciprocating steam engines compared to steam turbines is

Less
Could be more or less depending on the size of plant
More
Equal

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Steam Boilers, Engines, Nozzles and Turbines
The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)

Increases
None of these
Decreases
Remains constant

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Steam Boilers, Engines, Nozzles and Turbines
Which is not correct statement about the function of furnace?

To provide proper conditions for continuous complete combustion
Maintain heat supply to prepare and ignite the incoming fuel
Separate ash from coal
Mix fuel with air and ignite

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