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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A single acting steam engine produces ___ power than that of double acting steam engine.

Four times
Half
Double
Equal

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

0.577
0.582
0.528
0.546

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

BS
IBR
DIN
ASTM

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the workdone on the blades to the energy supplied to the blades, is called

Blading efficiency
Nozzle efficiency
Mechanical efficiency
Gross or stage efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Reheating of steam under ideal conditions takes place at constant

Entropy
Temperature
Pressure
Enthalpy

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Steam Boilers, Engines, Nozzles and Turbines
Sublimation region is the region where

Solid and vapor phases are in equilibrium
Solid and liquid phases are in equilibrium
Liquid and vapor phases are in equilibrium
Solid, liquid and vapor phases are in equilibrium

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