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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The diameter of internal flue tubes in a Lancashire boiler compared to its shell is

Two-fifth
Two-fourth
One-third
One-half

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Locomotive boiler has __________ diameter.

47.5 mm
4.75 mm
7.45 mm
5.47 mm

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

Mercury boiler
All of the listed here
Steam turbine
Steam condenser

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Steam Boilers, Engines, Nozzles and Turbines
The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity of steam entering the blade, and α = Nozzle angle)

Vb = V² cosα
Vb = 0.5 V cosα
Vb = V cosα
Vb = 0.5 V² cosα

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Steam Boilers, Engines, Nozzles and Turbines
Heating wet steam at constant temperature is heating it at constant

Entropy
Pressure
Volume
Enthalpy

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