Lakshya Education MCQs

Question: For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of
Options:
A. 9 : 1
B. 12 : 1
C. 15 : 1
D. 18 : 1
Answer: Option B
Explanation :

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Question 1. For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of
  1.     9 : 1
  2.     12 : 1
  3.     15 : 1
  4.     18 : 1
Answer: Option B
Explanation :
Question 2. The inlet value of a four stroke cycle i.c engine remains open for nearly
  1.     180°
  2.     125°
  3.     235°
  4.     200°
Answer: Option C
Explanation :
Question 3. The theoretically correct air fuel ratio for petrol engine is of the order of
  1.     6: 1
  2.     9: 1
  3.     12: 1
  4.     15: 1
Answer: Option D
Explanation :
Question 4. In petrol engines, the delay period is of the order of
  1.     0.001 second
  2.     0.002 second
  3.     0.003 second
  4.     0.004 second
Answer: Option B
Explanation :
Question 5. The theoretically correct air fuel ratio for petrol engine is of the order of
  1.     6: 1
  2.     9: 1
  3.     12: 1
  4.     15: 1
Answer: Option D
Explanation :
Question 6. The inlet value of a four stroke cycle i.c engine remains open for nearly
  1.     180°
  2.     125°
  3.     235°
  4.     200°
Answer: Option C
Explanation :

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