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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler is of the order of

24 m
57.5 m
35 m
79 m

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve usually employed with stationary boilers is

Lever safety valve
All of the listed here
High steam and low water safety valve
Dead weight safety valve

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called

Both (A) and (B)
Tandem type compound engine
Receiver type compound engine
Woolf type compound engine

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Steam Boilers, Engines, Nozzles and Turbines
Feed water conditioning in thermal power plants in done to

Reduce hardness and for removal of solids
Increase heat transfer rate
Increase efficiency of thermal power plant
Increase steam parameters

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Steam Boilers, Engines, Nozzles and Turbines
The behavior of coal in a furnace is determined by

The content of sulphur
The exact analysis
The proximate analysis
The content of ash and heating value

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Steam Boilers, Engines, Nozzles and Turbines
A fusible plug is fitted in small boilers in order to

Avoid excessive build up of pressure
Extinguish fire if water level in the boiler falls below alarming limit
Control steam dome
Avoid explosion

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