Boilers, Engines, Nozzles and Turbines Objective Questions and Answers pdf:- 101. The difference between cornish boiler and lancashire boiler is that

Steam Boilers, Engines, Nozzles and Turbines
Boilers, Engines, Nozzles and Turbines Objective Questions and Answers pdf:- 101. The difference between cornish boiler and lancashire boiler is that

former is fire tube type and latter is water tube type boiler

None of these

former contains one fire tube and latter contains two fire tubes

former is water tube type and latter is fire tube type

former is fire tube type and latter is water tube type boiler

None of these

former contains one fire tube and latter contains two fire tubes

former is water tube type and latter is fire tube type

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Steam Boilers, Engines, Nozzles and Turbines
By compounding the expansion of steam in two or more cylinders, the ratio of expansion

None of these

Increases

Decreases

Does not change

None of these

Increases

Decreases

Does not change

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Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Induced steam jet draught

Chimney draught

Forced steam jet draught

None of these

Induced steam jet draught

Chimney draught

Forced steam jet draught

None of these

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Steam Boilers, Engines, Nozzles and Turbines
In fire tube boilers

Forced circulation takes place

None of these

The flames and hot gases pass through the tubes which are surrounded by water

Water passes through the tubes which are surrounded by flames and hot gases

Forced circulation takes place

None of these

The flames and hot gases pass through the tubes which are surrounded by water

Water passes through the tubes which are surrounded by flames and hot gases

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Steam Boilers, Engines, Nozzles and Turbines
Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

48 : 20 : 15 : 7 : 10

20 : 48 : 7 : 15 : 10

10 : 7 : 15 : 20 : 48

7 : 15 : 20 : 10 : 48

48 : 20 : 15 : 7 : 10

20 : 48 : 7 : 15 : 10

10 : 7 : 15 : 20 : 48

7 : 15 : 20 : 10 : 48

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Steam Boilers, Engines, Nozzles and Turbines
When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as

Cut-off governing

Throttle governing

None of these

By-pass governing

Cut-off governing

Throttle governing

None of these

By-pass governing

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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines Boilers, Engines, Nozzles and Turbines Objective Questions and Answers pdf:- 101. The difference between cornish boiler and lancashire boiler is that

Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion

Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Steam Boilers, Engines, Nozzles and Turbines In fire tube boilers

Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

Steam Boilers, Engines, Nozzles and Turbines When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as

Steam Boilers, Engines, Nozzles and Turbines
Boilers, Engines, Nozzles and Turbines Objective Questions and Answers pdf:- 101. The difference between cornish boiler and lancashire boiler is that

Steam Boilers, Engines, Nozzles and Turbines
By compounding the expansion of steam in two or more cylinders, the ratio of expansion

Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Steam Boilers, Engines, Nozzles and Turbines
In fire tube boilers

Steam Boilers, Engines, Nozzles and Turbines
Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

Steam Boilers, Engines, Nozzles and Turbines
When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as