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SUMMARY:Combustion and Flame MCQ Q.No. 19 to 53
DTSTART;TZID=America/Los_Angeles:20260511T190000
DTEND;TZID=America/Los_Angeles:20260511T200000
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DESCRIPTION: Q.19. An ideal fuel is cheap, readily available, easily combustible and easy to transport. It has a high calorific value. It does not produce gases or residues that pollute the environment. Based on the above statements which of the following is closest to being an ideal fuel A. Compressed Natural Gas (CNG) B. Kerosene C. Petrol D. Coal Q.20. When a cracker is ignited, a sudden reaction takes place with the evolution of heat, light and sound. Identify the type of combustion A. Random combustion B. Rapid combustion C. Spontaneous combustion D. Explosion Q.21. The efficiency of a fuel is expressed in terms of its - A. density B. calorific value C. volume D. purity Q.22. The suspended particles released by the combustion of coal in the air may lead to a health disease. Select the correct option. A. Goitre B. Arthritis C. Asthma D. Bone cancer Q. 23. The innermost zone of the candle flame is the a. Hottest part b. Moderately hot part c. Least hot part d. Cold part Q.24. Which is better...

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