The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K)

Steam Boilers, Engines, Nozzles and Turbines
The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K)

T1 /176.5H

T1 /88.25H

176.5H/T1

88.25H/T1

T1 /176.5H

T1 /88.25H

176.5H/T1

88.25H/T1

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Steam Boilers, Engines, Nozzles and Turbines
Boiler parameters are expressed by

Tonnes/hr. of steam

Temperature of steam in °C

Pressure of steam in kg/cm²

All of these

Tonnes/hr. of steam

Temperature of steam in °C

Pressure of steam in kg/cm²

All of these

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Steam Boilers, Engines, Nozzles and Turbines
During storage, the heating value of coal

Remain constant

May increase or decrease depending upon the method of storage

Increases

Decreases

Remain constant

May increase or decrease depending upon the method of storage

Increases

Decreases

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Steam Boilers, Engines, Nozzles and Turbines
The average operating pressure of Benson boiler is

200 bar

250 bar

150 bar

100 bar

200 bar

250 bar

150 bar

100 bar

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Steam Boilers, Engines, Nozzles and Turbines
The shell of the Cochran boiler is made hemispherical

Both (A) and (B)

None of these

To withstand the pressure of steam inside the boiler

To give maximum space and strength

Both (A) and (B)

None of these

To withstand the pressure of steam inside the boiler

To give maximum space and strength

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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

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

Steam Boilers, Engines, Nozzles and Turbines The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K)

Steam Boilers, Engines, Nozzles and Turbines Boiler parameters are expressed by

Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal

Steam Boilers, Engines, Nozzles and Turbines The average operating pressure of Benson boiler is

Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical

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

Steam Boilers, Engines, Nozzles and Turbines
The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K)

Steam Boilers, Engines, Nozzles and Turbines
Boiler parameters are expressed by

Steam Boilers, Engines, Nozzles and Turbines
During storage, the heating value of coal

Steam Boilers, Engines, Nozzles and Turbines
The average operating pressure of Benson boiler is

Steam Boilers, Engines, Nozzles and Turbines
The shell of the Cochran boiler is made hemispherical

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