Multiple Choice
Desirable characteristics of the combustion chamber for SI engines to avoid knock is
A) small bore
B) short ratio of fame path to bore
C) absence of hot surfaces in the last region of the charge
D) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q8: with increase in compression ratio flame speed<br>A)increases<br>B)decreases<br>C)remains
Q9: Open combustion chambers in CI engines require<br>A)high
Q10: In a cycle, the spark lasts roughly
Q11: It the temperature of intake air in
Q12: Which of the following statements is correct?<br>A)All
Q14: Increasing the compression ratio in SI engines
Q15: In CI engines the delay period is
Q16: Detonation in SI engines occur due to<br>A)pre
Q17: A high flame speed is obtained in
Q18: In CI engines knocking tendency increases with<br>A)increase