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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The efficiency of steam turbines may be improved by

Binary vapor plant
Any one of these
Reheating of steam
Regenerative feed heating

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Steam Boilers, Engines, Nozzles and Turbines
1 kg.m is equal to

102 Joules
9.81 Joules
None of these
427 Joules

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Steam Boilers, Engines, Nozzles and Turbines
Equivalent evaporation is the amount of water evaporated in a boiler from and at

Saturation temperature at given pressure
Room temperature
0°C
100°C

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Steam Boilers, Engines, Nozzles and Turbines
A valve installed between the boiler and the feed pump is

Steam stop valve
None of these
Feed check valve
Blow off cock

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Steam Boilers, Engines, Nozzles and Turbines
Sulphur content of fuels is very important to the plant operators because it

Promotes complete combustion
Has high heating value
Has highly corrosive effect
Retards electric precipitation

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of internal flue tubes in a Lancashire boiler compared to its shell is

One-third
Two-fourth
Two-fifth
One-half

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