(MCQ) multiple choice questions.
3. Which zone of the flame is the hottest? (a) Inner
(b) outer
(d) None of these
(c) Middle
4. The calorific value of hydrogen gas is
(a) 50,000 kJ/kg
(C) 1,50,000 kJ/kg
(b) 65,000 kJ/kg .
(d) 45,000 kJ/kg
5. is essential for combustion.
(a) Carbon dioxide
(b) Nitrogen
(d) CNG
(C) Oxygen
6. is an eco-friendly fuel.
(a) Coal
(b) Diesel
(C) Petrol
(d) CNG
7. (a) Plastic is a good conductor of. (a) electricity.
(b) Rubber
(d) Wood
(c) Water
Answers
Answered by
3
Answer:
3. outer
4. 150KJ/Kg
5. Oxygen
Explanation:
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Answered by
0
3. outer
4. 1,50,000
5. Oxygen
6. CNG
7. Electricity.
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