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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A condenser where circulating water flows through tubes which are surrounded by steam, in known as

Surface condenser
Barometric condenser
Jet condenser
Evaporative condenser

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Steam Boilers, Engines, Nozzles and Turbines
For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be

One-half the height of chimney
Two times the height of chimney
Equal to the height of chimney
Four times the height of chimney

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Steam Boilers, Engines, Nozzles and Turbines
An economiser is generally placed between

None of these
Induced draft fan and forced draft fan
Air preheater and chimney
Last superheater or reheater and air preheater

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Steam Boilers, Engines, Nozzles and Turbines
The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.

60°C
40°C
100°C
0°C

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Steam Boilers, Engines, Nozzles and Turbines
In order to reduce the rotor speed of an impulse turbine, the method employed is

Pressure-velocity compounding
Pressure compounding
Velocity compounding
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The major axis of elliptical manholes on the shell should be provided

On dished end
Longitudinally
Anywhere
Circumferentially

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