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Steam Boilers, Engines, Nozzles and Turbines

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

None of these
102 Joules
9.81 Joules
427 Joules

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Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Chimney draught
Forced steam jet draught
None of these
Induced steam jet draught

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is steam dial?

Non-coking bituminous coal
Pulverized coal
Coking bituminous coal
Brown coal

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is used where working pressure and power required are

Low
High
None of these
Moderate

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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.

0°C
60°C
40°C
100°C

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Steam Boilers, Engines, Nozzles and Turbines
The economiser is used in boilers to

Increase thermal efficiency of boiler
Economize on fuel
Increase flue gas temperature
Extract heat from the exhaust flue gases

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