Internal Combustion Engines MCQs
Practice free Internal Combustion Engines multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 262 questions — no login required.
Question 118easy
The system of lubrication used for motor cycles and scooters is by
Question 119easy
The m.e.p. of a petrol engine first increases as the fuel air ratio is increased and then decreases on further increase in fuel air ratio. The m.e.p. is maximum in the zone of
Question 120easy
The specific fuel consumption for a petrol engine first decreases with increase in fuel air ratio and then increases with further increase in fuel air ratio. The minimum value occurs in the range of
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Question 121easy
The thermal efficiency of a two cycle engine as compared to four cycle engine is
Question 123easy
Auto-ignition reaction time for petrol engine first decreases with increase in fuel air ratio, reaches a minimum value and then increases with subsequent increase in fuel air ratio. The minimum value occurs in the region of
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Question 125easy
With increase in engine speed, the ignition of spark in petrol engine has to be
Question 126easy
In petrol engines, the maximum power is developed corresponding to relative fuel air ratio of