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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The high pressure boiler is one, which produces steam at a pressure more than

7580 kg/cm²
10 kg/cm²
5 kg/cm²
Atmospheric pressure

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Steam Boilers, Engines, Nozzles and Turbines
The height of chimney in a power plant is governed by

Limitation of construction facilities
Quantity of flue gases to be handled
The draft to be created
Control of pollution

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Steam Boilers, Engines, Nozzles and Turbines
When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a

High speed steam engine
Slow speed engine
Medium speed steam engine
None of the listed here

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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 decreases
Pressure remains constant
Velocity remains constant
Velocity increases

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler is best suited to meet the fluctuating demand of steam?

Lancashire boiler
Cornish boiler
Locomotive boiler
Babcock and Wilcox boiler

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Steam Boilers, Engines, Nozzles and Turbines
In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be

282 kW
296 kW
260 kW
302 kW

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