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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
On Millier chart, the constant pressure lines

First rise up and then fall
Diverge from left to right
Are equally spaced throughout
Diverge from right to left

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Steam Boilers, Engines, Nozzles and Turbines
There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called

Saturated steam
Wet steam
Superheated steam
Cushion steam

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Steam Boilers, Engines, Nozzles and Turbines
A steam nozzle converts

Heat energy of steam into kinetic energy
Heat energy of steam into potential energy
Kinetic energy into heat energy of steam
Potential energy into heat energy of steam

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Steam Boilers, Engines, Nozzles and Turbines
The selection of type and size of a steam boiler depends upon

All of these
The power required and working pressure
The geographical position of the power house
The fuel and water available

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Steam Boilers, Engines, Nozzles and Turbines
The high steam and low water safety valve is not used in

Locomotive boiler
Lancashire boiler
Cochran boiler
Cornish boiler

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of superheated tubes in a locomotive boiler is

13 mm
130 mm
31 mm
230 mm

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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