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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
One kilowatt-hour energy is equivalent to

360 kJ
3600 kW/sec
3600 kJ
1000 J

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Steam Boilers, Engines, Nozzles and Turbines
A boiler in India should conform to safety regulations of

IBR
BS
DIN
ASTM

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Steam Boilers, Engines, Nozzles and Turbines
The feed check valve is used in order to

Allow high pressure feed water to flow to drum and not allow reverse flow to take place
Recirculate unwanted feed water
Check level of water in boiler drum
Regulate flow of boiler water

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Steam Boilers, Engines, Nozzles and Turbines
The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet)

Vb = V² cos α
Vb = 0.5 V cosα
Vb = V cos α
Vb = 0.5 V² cosα

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Steam Boilers, Engines, Nozzles and Turbines
The number of flue tubes in Lancashire boiler is

Zero
One
Four
Two

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Steam Boilers, Engines, Nozzles and Turbines
Cut-off governing of steam engines is a method of controlling the engine output by varying

Pressure of intake steam
All of these
Temperature of intake steam
Volume of intake steam

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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