Spontaneous combustion is a phenomenon in which

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

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

Explosion in furnace

All the fuel burns instantaneously producing high energy release

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

Explosion in furnace

All the fuel burns instantaneously producing high energy release

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

23 m

12 m

2.53.5 m

1.52.5 m

23 m

12 m

2.53.5 m

1.52.5 m

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Steam Boilers, Engines, Nozzles and Turbines
The aim of a compound steam engine is

To reduce the length of stroke

All of these

To reduce the ratio of expansion in each cylinder

To reduce the temperature range in each cylinder

To reduce the length of stroke

All of these

To reduce the ratio of expansion in each cylinder

To reduce the temperature range in each cylinder

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Steam Boilers, Engines, Nozzles and Turbines
The length of Lancashire boiler varies from

9 to 10 m

7.25 to 9 m

5 to 6 m

6 to 7 m

9 to 10 m

7.25 to 9 m

5 to 6 m

6 to 7 m

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Steam Boilers, Engines, Nozzles and Turbines
The specific volume of steam with increase in pressure decreases

Inversely

Rapidly first and then slowly

Linearly

Slowly first and then rapidly

Inversely

Rapidly first and then slowly

Linearly

Slowly first and then rapidly

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Steam Boilers, Engines, Nozzles and Turbines
A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as

Blow off cock

Fusible plug

Superheater

Stop valve

Blow off cock

Fusible plug

Superheater

Stop valve

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Steam Boilers, Engines, Nozzles and Turbines

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

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

Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is

Steam Boilers, Engines, Nozzles and Turbines The length of Lancashire boiler varies from

Steam Boilers, Engines, Nozzles and Turbines The specific volume of steam with increase in pressure decreases

Steam Boilers, Engines, Nozzles and Turbines A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as

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

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

Steam Boilers, Engines, Nozzles and Turbines
The aim of a compound steam engine is

Steam Boilers, Engines, Nozzles and Turbines
The length of Lancashire boiler varies from

Steam Boilers, Engines, Nozzles and Turbines
The specific volume of steam with increase in pressure decreases

Steam Boilers, Engines, Nozzles and Turbines
A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as