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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The velocity of whirl at outlet for an axial discharge turbine is

Minimum
Zero
Maximum
None of these

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Steam Boilers, Engines, Nozzles and Turbines
A closed vessel made of steel and used for the generation of steam is called a

Steam injector
Steam boiler
Steam condenser
Steam turbine

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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

10 : 7 : 15 : 20 : 48
48 : 20 : 15 : 7 : 10
20 : 48 : 7 : 15 : 10
7 : 15 : 20 : 10 : 48

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Steam Boilers, Engines, Nozzles and Turbines
The amount of water evaporated in kg per kg of fuel burnt is called

None of these
Boiler efficiency
Evaporative capacity of a boiler
Equivalent evaporation from and at 100° C

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Steam Boilers, Engines, Nozzles and Turbines
A boiler in India should conform to safety regulations of

BS
ASTM
IBR
DIN

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is of

Stationary < fire tube type
Horizontal type
Natural circulation type
All of the listed here

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