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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The fusible plug in small boilers is located

Over the combustion chamber
In the fire tubes
In the drum
Above steam dome

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Steam Boilers, Engines, Nozzles and Turbines
If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to

None of these
pa - ps
pa + ps
ps - pa

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boilers is best suited to meet fluctuating demands?

Cochran
Locomotive
Lancashire
Babcock and Wilcox

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Steam Boilers, Engines, Nozzles and Turbines
When steam after doing work in the cylinder passes into a condenser, the engine is said to be a

Condensing steam engine
Slow speed engine
Non-condensing steam engine
Vertical steam engine

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Steam Boilers, Engines, Nozzles and Turbines
The best suited coal for chain or traveling grate stoker boiler is

Coking coal
Non-coking or free burning coal
High sulphur coal
Pulverized coal

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the workdone on the blades to the energy supplied to the blades, is called

Gross or stage efficiency
Blading efficiency
Nozzle efficiency
Mechanical efficiency

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