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Steam Boilers, Engines, Nozzles and Turbines

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

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

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Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, whole frictional loss is assumed to occur between

Inlet and outlet
Inlet and throat
Throat and exit
All of these

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Steam Boilers, Engines, Nozzles and Turbines
Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of

Higher effectiveness of boiler
High calorific value coal being burnt
Raising of steam temperature
Fouling of heat transfer surfaces

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Steam Boilers, Engines, Nozzles and Turbines
When the cross-section of a nozzle increases continuously from entrance to exit, it is called a

Convergent nozzle
Divergent nozzle
Convergent-divergent nozzle
None of these

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Steam Boilers, Engines, Nozzles and Turbines
When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be

None of these
Under-damping
Over-damping
Choked

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Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

Mercury boiler
Steam condenser
All of the listed here
Steam turbine

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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