Combustion and Flame- Important Questions & MCQs
Combustion and Flame- Important Questions & MCQs
8th Class,Science,Teaching & Academics
Lectures -5
Duration -1 hours
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Course Description
Q.1. Define Combustion and ignition temperature. List conditions under which combustion can take place.
Q.2. What is caused by burning of wood and coal?
Q.3. What type of fire extinguishers should be used to control the fire produced by oil?
Q.4. Explain how the use of CNG in automobiles has reduced pollution in our cities.
Q. 5. Compare LPG and wood as fuels.
Q.6. Give reasons.
(a) Water is not used to control fires involving electrical equipment.
(b) LPG is a better domestic fuel than wood.
(c) Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
Q.7.Make a labelled diagram of a candle flame and write a few lines on the same.
Q.8. Name the unit in which the calorific value of a fuel is expressed.
Q.9. Explain how CO2 is able to control fires.
Q.10. It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain.
Q.11.Which zone of a flame does a goldsmith use for melting gold and silver and why?
Q.12. Can the process of rusting be called combustion? Discuss.
+ 53 Multiple Choice Questions with Answers
Goals
- The aim of the course is to ensure that the students are able to understand the topic of Combustion and Flame in a very easy manner.
Prerequisites
- NIL
Curriculum
Check out the detailed breakdown of what’s inside the course
Combustion and Flame- Important Questions & MCQs
5 Lectures
- Introduction 02:04 02:04
- Conditions necessary for combustion, ignition temperature, LPG vs. wood as fuels 11:45 11:45
- How CO2 controls fire + many more questions 15:19 15:19
- 18 important MCQs with complete explanation. 17:24 17:24
- 35 important MCQs with complete explanation 17:30 17:30
Instructor Details
Prabh Kirpa Classes
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