Fuels and Combustion MCQs

590 questionsChemical-EngineeringPage 7 of 66

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 55hard
The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm3.
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Question 56hard
The calorific value of producer gas is around __________ kcal/Nm3.
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Question 57hard
Yield of pitch from distillation of high temperature tar is around __________ percent.
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Question 58medium
Supply of excess air for complete combustion of fuel is necessitated to facilitate
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Question 59medium
In high temperature carbonisation of coal compared to low temperature carbonisation
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Question 60hard
Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm.
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Question 61hard
Dry air requirement for burning 1 Nm3 of CO to CO2 may be around __________ Nm3.
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Question 62medium
Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if
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Question 63easy
Pick out the wrong statement.
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