Fuels and Combustion MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Fuels and Combustion, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Fuels and Combustion MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Fuels and Combustion mcq questions that explore various aspects of Fuels and Combustion problems. Each MCQ is crafted to challenge your understanding of Fuels and Combustion principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Fuels and Combustion MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Fuels and Combustion. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Fuels and Combustion knowledge to the test? Let's get started with our carefully curated MCQs!

Fuels and Combustion MCQs | Page 30 of 50

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Q291.
Which of the following has the highest gross calorific value ?
Discuss
Answer: (d).Oil refinery gas
Q292.
A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the
Discuss
Answer: (d).lack of thorough mixing of fuel with air.
Q293.
Efficient burning of anthracite coal requires
Discuss
Answer: (b).fine grinding.
Q294.
C/H ratio is the minimum in case of
Discuss
Answer: (b).natural gas
Q295.
Ignition temperature decreases progressively from anthracite to lignite, because
Discuss
Answer: (a).volatile matter content increases.
Q296.
Which of the following fuel gases is heavier than air ?
Discuss
Answer: (a).Blast furnace gas
Q297.
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.
Discuss
Answer: (c).105
Q298.
Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt using theoretical amount of air in
Discuss
Answer: (d).either (a) or (b) without gain or loss of heat
Q299.
Use of preheated air for combustion of fuel in the furnace, increases the
Discuss
Answer: (c).flame temperature.
Q300.
Which of the following can be made into briquettes without the use of a binder ?
Discuss
Answer: (a).lignite