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
Correct Answer:
Verified
Q2: A stoichiometric air-fuel ratio is
A)chemically correct mixture
B)lean
Q3: Mechanical efficiency is the ratio of
A)brake power
Q4: Most commonly used lubrication system in automobiles
Q5: Friction that occurs between the layers of
Q6: Crankcase ventilation, is provided
A)to cool cylinder
B)to cool
Q7: the most important property of the lubricant
Q8: The maximum pressure in the lubrication system
Q9: The lubricants commonly used in the automobiles
Q10: Detergents are oil additives used to
A)reduce viscosity
B)increase
Q11: Oil pressure in the dry sump lubrication
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