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

176.5H/T1

88.25H/T1

T1 /88.25H

T1 /176.5H

176.5H/T1

88.25H/T1

T1 /88.25H

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell.

One-third

Two-fifth

One-fourth

One-half

One-third

Two-fifth

One-fourth

One-half

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Steam Boilers, Engines, Nozzles and Turbines
Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value

(1- moisture content)

1 + moisture content

1 – moisture content

(1 + moisture content)

(1- moisture content)

1 + moisture content

1 – moisture content

(1 + moisture content)

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Steam Boilers, Engines, Nozzles and Turbines
De-Laval turbines are mostly used

For large power purposes

For small power purposes and low speeds

For small power purposes and high speeds

Where low speeds are required

For large power purposes

For small power purposes and low speeds

For small power purposes and high speeds

Where low speeds are required

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Steam Boilers, Engines, Nozzles and Turbines
Incomplete combustion can be best judged by

Measuring temperature of flue gases at exit of furnace

Excess air in flue gases

Smoky chimney exit

Measuring carbon monoxide in flue gases

Measuring temperature of flue gases at exit of furnace

Excess air in flue gases

Smoky chimney exit

Measuring carbon monoxide in flue gases

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Steam Boilers, Engines, Nozzles and Turbines
Gusset stays in a boiler are provided to

Avoid explosion in furnace

Prevent leakage of hot flue gases

Support furnace freely from top

Prevent the bulging of flat surfaces

Avoid explosion in furnace

Prevent leakage of hot flue gases

Support furnace freely from top

Prevent the bulging of flat surfaces

ANSWER DOWNLOAD EXAMIANS APP

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 The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell.

Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value

Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used

Steam Boilers, Engines, Nozzles and Turbines Incomplete combustion can be best judged by

Steam Boilers, Engines, Nozzles and Turbines Gusset stays in a boiler are provided to

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
The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell.

Steam Boilers, Engines, Nozzles and Turbines
Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value

Steam Boilers, Engines, Nozzles and Turbines
De-Laval turbines are mostly used

Steam Boilers, Engines, Nozzles and Turbines
Incomplete combustion can be best judged by

Steam Boilers, Engines, Nozzles and Turbines
Gusset stays in a boiler are provided to