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Steam Boilers, Engines, Nozzles and Turbines

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

Zero
None of these
Maximum
Minimum

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Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called

None of these
Forced steam jet draught
Induced steam jet draught
Chimney draught

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Steam Boilers, Engines, Nozzles and Turbines
Pick up the wrong statement about critical condition of steam

This is the maximum pressure limit
Liquid directly becomes steam
Latent heat is zero
Specific volume of steam and liquid is same

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of reheat steam after passing through reheater compared to inlet condition is

May be more or less depending on capacity of reheater
Less
More
Equal

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure at which latent heat of vaporisation is zero is

273 kgf/ cm²
1 kgf/ cm²
100 kgf/ cm²
225.65 kgf/ cm²

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

None of these
Inclined
Vertical
Horizontal

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