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Fuels and Combustion

Fuels and Combustion
Dry air required to burn 1 kg of carbon completely may be around __________ kg.

38
11
20
2

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Fuels and Combustion
The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively

CO₂, O₂, CO
CO₂, CO, O₂
CO, O₂, CO₂
O₂, CO₂, CO

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Fuels and Combustion
Fossil fuels mean

Those fuels which are found in the crust of earth
Premature fuels with low calorific value
Liquid fuels
Solid fuels

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Fuels and Combustion
A travelling grate stoker is meant for the efficient burning of __________ coal.

Pulverised
Non-caking
Caking
High ash

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Fuels and Combustion
Air/gas ratio for complete combustion will be the highest for

LPG
Coke oven gas
Carburetted water gas
Gobar gas

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Fuels and Combustion
Calorific value of furnace oil is about __________ Kcal/kg.

5000
20000
10000
15000

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