Fuels and Combustion MCQs
Practice free Fuels and Combustion multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 590 questions — no login required.
Question 181hard
Which of the following will generate maximum volume of product of complete combustion (Nm3/Nm3 of fuel)?
Question 182medium
Use of excess of combustion air in the combustion of fuels results in
Question 183easy
High excess air in combustion of fuels results in
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Question 184easy
Combustion of pulverised fuel
Question 185hard
The internal energy of the combustion products is __________ compared to that of reactants.
Question 186hard
For every 10% increase in the excess air; the fuel consumption increases by __________ percent.
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Question 187hard
Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C.
Question 188easy
Fixed carbon in coal is defined as
Question 189medium
The most matured coal out of the following is