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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Efficiency of a thermal cycle increases by

Cooling of steam
Regeneration
Both (A) and (B)
Reheating of steam

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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-fourth
One-half
One-third
Two-fifth

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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
Equal
More

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Steam Boilers, Engines, Nozzles and Turbines
Thermal efficiency of a thermal power plant is of the order of

0.45
0.2
0.3
0.15

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Steam Boilers, Engines, Nozzles and Turbines
Steam turbines are used for

All of these
Electric power generation
Direct drive of fans, compressors, pumps
Large marine propulsion

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Steam Boilers, Engines, Nozzles and Turbines
Alkaline pyrogallate is used in Orsat's apparatus for absorption of

N₂
CO
O₂
CO₂

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