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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

Both horizontal and vertical
Inclined
Vertical
Horizontal

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Steam Boilers, Engines, Nozzles and Turbines
The working pressure range for a LaMont boiler is

0.5 to 10 MN/m²
1 to 15 MN/m²
3.5 to 20 MN/m²
2.5 to 15 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
Which is not correct statement about pulverized fuel firing?

It is the best technique for burning high ash content fuel having low fusion ash
High burning rate is possible
Heat release can be easily controlled
Fuel burns economically

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the useful heat drop to the isentropic heat drop is called

Boiler efficiency
Vacuum efficiency
Nozzle efficiency
Condenser efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The increase in pressure

Reduces its volume
Raises the boiling point of a liquid
Does not affects the boiling point of a liquid
Lowers the boiling point of a liquid

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is required for a steam condensing plant?

Condensate pump
All of these
Condenser
Air extraction pump

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