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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

Minimum
Zero
None of these
Maximum

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is a

Mobile fire tube boiler
Water tube boiler with natural/forced circulation
Stationary fire tube boiler
Stationary water tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
An air preheater is installed

None of these
Before the superheater
Before the economiser
Between the economiser and chimney

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Steam Boilers, Engines, Nozzles and Turbines
The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the

Blades are equiangular
Blade velocity coefficient is unity
Blade solidity is 0.65
Blades are equiangular and frictionless

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Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

All of the listed here
Steam turbine
Mercury boiler
Steam condenser

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Steam Boilers, Engines, Nozzles and Turbines
The working pressure range for a LaMont boiler is

3.5 to 20 MN/m²
1 to 15 MN/m²
0.5 to 10 MN/m²
2.5 to 15 MN/m²

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