The fire tubes in a Scotch marine boiler are

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

Vertical

Inclined

Horizontal

None of the listed here

Vertical

Inclined

Horizontal

None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
An economiser is generally placed between

Induced draft fan and forced draft fan

None of these

Last superheater or reheater and air preheater

Air preheater and chimney

Induced draft fan and forced draft fan

None of these

Last superheater or reheater and air preheater

Air preheater and chimney

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Steam Boilers, Engines, Nozzles and Turbines
Spontaneous combustion is a phenomenon in which

All the fuel burns instantaneously producing high energy release

Explosion in furnace

Fuel burns with less air

Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal

All the fuel burns instantaneously producing high energy release

Explosion in furnace

Fuel burns with less air

Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal

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Steam Boilers, Engines, Nozzles and Turbines
The high steam and low water safety valve is used to blow off steam when the

None of these

Steam pressure exceeds the working pressure

Both (A) and (B)

Water level in the boiler becomes too low

None of these

Steam pressure exceeds the working pressure

Both (A) and (B)

Water level in the boiler becomes too low

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Steam Boilers, Engines, Nozzles and Turbines
Locomotive boiler is a

Multi-tubular, horizontal, externally fired and stationary boiler

Single tube, vertical, externally fired and stationary boiler

Multi-tubular, horizontal, internally fired and mobile boiler

Single tube, horizontal, internally fired and stationary boiler

Multi-tubular, horizontal, externally fired and stationary boiler

Single tube, vertical, externally fired and stationary boiler

Multi-tubular, horizontal, internally fired and mobile boiler

Single tube, horizontal, internally fired and stationary boiler

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of cylindrical shell of the Lancashire boiler is of the order of

1 to 1.25 m

1.75 to 2.75 m

1 to 1.75 m

2 to 4 m

1 to 1.25 m

1.75 to 2.75 m

1 to 1.75 m

2 to 4 m

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Steam Boilers, Engines, Nozzles and Turbines

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

Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between

Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which

Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is used to blow off steam when the

Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is a

Steam Boilers, Engines, Nozzles and Turbines The diameter of cylindrical shell of the Lancashire boiler is of the order of

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

Steam Boilers, Engines, Nozzles and Turbines
An economiser is generally placed between

Steam Boilers, Engines, Nozzles and Turbines
Spontaneous combustion is a phenomenon in which

Steam Boilers, Engines, Nozzles and Turbines
The high steam and low water safety valve is used to blow off steam when the

Steam Boilers, Engines, Nozzles and Turbines
Locomotive boiler is a

Steam Boilers, Engines, Nozzles and Turbines
The diameter of cylindrical shell of the Lancashire boiler is of the order of