The knock in diesel engine occurs due to____________________?
A. Instantaneous and rapid burning of the first part of the charge
B. Instantaneous atuo iginition of last part of charge
C. Delayed burning of the first part of the charge
D. Reduction of delay period
A diesel engine has_________________?
A. 1 valve
B. 2 valves
C. 3 valves
D. 4 valves
A hmh flame speed is obtained in diesel engine when air fuel ratio is_______________?
A. Uniform throughout the mixture
B. Chemically correct mixture
C. About 3-5% rich mixture
D. About 10% rich mixture