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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages.

Same
Less
None of these
More

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

2 to 4.5 m
7 to 9 m
5 to 7.5 m
3 to 5 m

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Steam Boilers, Engines, Nozzles and Turbines
In a velocity compounded impulse turbine, when steam flows through the second row of moving blades,

Velocity increases
Pressure remains constant
Velocity remains constant
Velocity decreases

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Steam Boilers, Engines, Nozzles and Turbines
A condenser where circulating water flows through tubes which are surrounded by steam, in known as

Jet condenser
Surface condenser
Barometric condenser
Evaporative condenser

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Steam Boilers, Engines, Nozzles and Turbines
Boiler stays are used to

Prevent flat surfaces under pressure from tearing apart
Provide support for boiler
Take care of failure in compression
Take care of failure in shear

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is used where working pressure and power required are

Moderate
None of these
Low
High

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