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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion.

270°
90°
180°
60°

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Steam Boilers, Engines, Nozzles and Turbines
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.

Less than
None of the listed here
Equal to
More than

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Steam Boilers, Engines, Nozzles and Turbines
The evaporation of 15.653 kg of water per hour from and at 100°C is called

Equivalent evaporation
One boiler h.p.
Evaporative capacity
Factor of evaporation

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Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, whole frictional loss is assumed to occur between

All of these
Throat and exit
Inlet and throat
Inlet and outlet

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Steam Boilers, Engines, Nozzles and Turbines
The steam enters the nozzle at a

High pressure and a high velocity
High pressure and a low velocity
Low pressure and a low velocity
Low pressure and a high velocity

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Steam Boilers, Engines, Nozzles and Turbines
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of

40 atmospheres
20 atmospheres
10 atmospheres
30 atmospheres

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