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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio for gases is

0.528
0.582
0.546
0.577

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

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The bituminous coal is no caking if its carbon content is

90-95%
81-85%
78-81%
85-90%

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Steam Boilers, Engines, Nozzles and Turbines
The variation of steam pressure in the nozzle depends upon

Dryness fraction of steam
Specific volume of steam
All of these
Velocity of steam

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Steam Boilers, Engines, Nozzles and Turbines
The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is

Less
May be less or more depending on temperature
More
Equal

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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