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Steam Boilers, Engines, Nozzles and Turbines

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

260 kW
296 kW
282 kW
302 kW

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Steam Boilers, Engines, Nozzles and Turbines
The diameters of fire tubes and superheater tubes in locomotive boiler are

47.5 mm, 130 mm
32.5 mm, 180 mm
24.5 mm, 65 mm
65.5 mm, 210 mm

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Steam Boilers, Engines, Nozzles and Turbines
In a Tandem type compound engine, the high pressure and low pressure cylinders

Are set in V-arrangement
Have common piston rod
Have separate piston rods
Are set at 90°

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Steam Boilers, Engines, Nozzles and Turbines
In a throttling process

Steam pressure remains constant
Steam temperature remains constant
Steam enthalpy remains constant
Steam entropy remains constant

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Steam Boilers, Engines, Nozzles and Turbines
A stage, in reaction turbine, is represented by

Each row of blades
Number of casing
Number of entries of steam
Number of exits of steam

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Steam Boilers, Engines, Nozzles and Turbines
An economiser is generally placed between

None of these
Air preheater and chimney
Induced draft fan and forced draft fan
Last superheater or reheater and air preheater

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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