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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A safety valve usually employed with stationary boilers is

High steam and low water safety valve
All of the listed here
Dead weight safety valve
Lever safety valve

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Steam Boilers, Engines, Nozzles and Turbines
Presence of moisture in fuel oil would

Clean the nozzles
Keep the burner tips cool
Aid in proper combustion
Because sputtering, possibly extinguishing flame

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Steam Boilers, Engines, Nozzles and Turbines
Superheating of steam is done at

Constant temperature
Constant pressure
Constant volume
Constant entropy

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Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are limited to a maximum design working pressure of

6 kg/cm
100 kg/cm²
17 kg/cm²
1 kg/cm

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

None of these
Moderate
Low
High

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Steam Boilers, Engines, Nozzles and Turbines
The aim of a compound steam engine is

All of these
To reduce the length of stroke
To reduce the temperature range in each cylinder
To reduce the ratio of expansion in each cylinder

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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