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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in, a Coarran and Scottish marine boiler are

Horizontal
Inclined
Both horizontal and vertical
Vertical

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Steam Boilers, Engines, Nozzles and Turbines
Green coal, in order to be burnt, must be

Heated to its ignition point
Heated sufficiently
Burnt as powder
Burnt in excess air

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of a cylindrical shell of a Scotch marine boiler varies from

None of these
3.5 to 4.5 m
1.5 to 2 m
2.5 to 3.5 m

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Steam Boilers, Engines, Nozzles and Turbines
The steam leaves the nozzle at a

Low pressure and a low velocity
High pressure and a low velocity
High pressure and a high velocity
Low pressure and a high velocity

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of steam __________ while flowing through a nozzle.

None of these
Increases
Remains constant
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler has __________ internal flue tubes.

Three
One
Two
Four

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