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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is

Horizontal boiler
Internally fired boiler
All of these
Stationary fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is

0.6
0.2
1
0.8

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following are boiler accessories?

Economizer
Superheater
None of these
Both (A) and (B)

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Steam Boilers, Engines, Nozzles and Turbines
In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as

100°C and normal atmospheric pressure
50°C and 1.1 bar pressure
100°C and 1.1 bar pressure
50°C and normal atmospheric pressure

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Steam Boilers, Engines, Nozzles and Turbines
In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine

Benson boiler
Locomotive boiler
Lancashire boiler
Babcock and Wilcox boiler

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Steam Boilers, Engines, Nozzles and Turbines
The high steam and low water safety valve is used to blow off steam when the

Steam pressure exceeds the working pressure
None of these
Water level in the boiler becomes too low
Both (A) and (B)

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