In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.

Steam Boilers, Engines, Nozzles and Turbines
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.

More than

Less than

None of the listed here

Equal to

More than

Less than

None of the listed here

Equal to

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Steam Boilers, Engines, Nozzles and Turbines
Calorific value of coal is of the order of

800-1200 kcal/ kg

5000-8000 kcal/ kg

2000-4000 kcal/ kg

200-400 kcal/ kg

800-1200 kcal/ kg

5000-8000 kcal/ kg

2000-4000 kcal/ kg

200-400 kcal/ kg

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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 90° to each other, is called

Both (A) and (B)

Tandem type compound engine

Receiver type compound engine

Woolf type compound engine

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
Which is not the correct statement about moisture in coal?

Inherent moisture and surface moisture are different things

In some coals moisture may be present up to 40%

Some moisture in coal helps in better burning which is not possible with completely dry coal

It increases thermal efficiency

Inherent moisture and surface moisture are different things

In some coals moisture may be present up to 40%

Some moisture in coal helps in better burning which is not possible with completely dry coal

It increases thermal efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The selection of type and size of a steam boiler depends upon

The geographical position of the power house

The power required and working pressure

The fuel and water available

All of these

The geographical position of the power house

The power required and working pressure

The fuel and water available

All of these

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Steam Boilers, Engines, Nozzles and Turbines
Sulphur content of fuels is very important to the plant operators because it

Has highly corrosive effect

Retards electric precipitation

Has high heating value

Promotes complete combustion

Has highly corrosive effect

Retards electric precipitation

Has high heating value

Promotes complete combustion

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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.

Steam Boilers, Engines, Nozzles and Turbines Calorific value of coal is of the order of

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 90° to each other, is called

Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal?

Steam Boilers, Engines, Nozzles and Turbines The selection of type and size of a steam boiler depends upon

Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it

Steam Boilers, Engines, Nozzles and Turbines
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.

Steam Boilers, Engines, Nozzles and Turbines
Calorific value of coal is of the order of

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 90° to each other, is called

Steam Boilers, Engines, Nozzles and Turbines
Which is not the correct statement about moisture in coal?

Steam Boilers, Engines, Nozzles and Turbines
The selection of type and size of a steam boiler depends upon

Steam Boilers, Engines, Nozzles and Turbines
Sulphur content of fuels is very important to the plant operators because it