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Fuels and Combustion

Fuels and Combustion
Abel apparatus is used for those oils, whose flash points are___°F.

>280
300-600
>120

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Fuels and Combustion
If oxygen content in the flue gas rises too high, fuel is being wasted by

None of these
Dry gas/stack gas loss
Incomplete combustion
Moisture loss

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Fuels and Combustion
Assam coals suffers mainly from the disadvantage of high __________ content.

Volatile matter
Moisture
Ash
Sulphur (4-6%)

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Fuels and Combustion
By-products are __________ recovered in 'Beehive ovens'.

Partially
Negligibly
Fully
Not at all

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Fuels and Combustion
Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is

200 °C
200 °F
200 °R
200 °K

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Fuels and Combustion
Preheating of __________ the flame temperature.

Combustion air decreases
The gaseous fuel before combustion decreases
Either the fuel or the air or both, increases
Either the fuel or the air does not affect

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