The function of a flywheel is

Steam Boilers, Engines, Nozzles and Turbines
The function of a flywheel is

To prevent fluctuation of speed

To keep the engine speed uniform at all load conditions

To convert reciprocating motion of the piston into rotary motion

To convert rotary motion of the crankshaft into to and fro motion of the valve rod

To prevent fluctuation of speed

To keep the engine speed uniform at all load conditions

To convert reciprocating motion of the piston into rotary motion

To convert rotary motion of the crankshaft into to and fro motion of the valve rod

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Steam Boilers, Engines, Nozzles and Turbines
Spontaneous combustion is a phenomenon in which

Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal

Explosion in furnace

All the fuel burns instantaneously producing high energy release

Fuel burns with less air

Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal

Explosion in furnace

All the fuel burns instantaneously producing high energy release

Fuel burns with less air

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Steam Boilers, Engines, Nozzles and Turbines
Maximum energy loss in a boiler occurs due to

Unburnt carbon in ash

Flue gases

Incomplete combustion

Ash content

Unburnt carbon in ash

Flue gases

Incomplete combustion

Ash content

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Steam Boilers, Engines, Nozzles and Turbines
When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

(h + hf1)/2257

(h × hf1)/2257

(h - hf1)/2257

None of these

(h + hf1)/2257

(h × hf1)/2257

(h - hf1)/2257

None 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

Fouling of heat transfer surfaces

Raising of steam temperature

High calorific value coal being burnt

Higher effectiveness of boiler

Fouling of heat transfer surfaces

Raising of steam temperature

High calorific value coal being burnt

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Steam Boilers, Engines, Nozzles and Turbines
The safety valve on boiler drum compared to safety valve on superheater is set at

Lower value

Lower/higher depending on steam flow

Higher value

Same value

Lower value

Lower/higher depending on steam flow

Higher value

Same value

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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines The function of a flywheel is

Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which

Steam Boilers, Engines, Nozzles and Turbines Maximum energy loss in a boiler occurs due to

Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

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

Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at

Steam Boilers, Engines, Nozzles and Turbines
The function of a flywheel is

Steam Boilers, Engines, Nozzles and Turbines
Spontaneous combustion is a phenomenon in which

Steam Boilers, Engines, Nozzles and Turbines
Maximum energy loss in a boiler occurs due to

Steam Boilers, Engines, Nozzles and Turbines
When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

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

Steam Boilers, Engines, Nozzles and Turbines
The safety valve on boiler drum compared to safety valve on superheater is set at