IC Engines Mcqs

Q.  The ignition of charge by some hot surface in the engine cylinder before operation of spark plug is known as________________?

a. auto ignition
b. preignition
c. retarded ignition
d. accelerated ignition
e. detonation


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The ratio of useful power; engine friction exhaust gas losses; cooling water, air and oil losses for a diesel engine is of the order of____________________?
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MCQs:  The system of lubrication used for motor cycles and scooters is by________________?
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MCQs:  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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MCQs:  Diesel engines as compared to petrol engines require ______________________?
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MCQs:  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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MCQs:  Exhaust pipes of engines are covered with insulating marterial in order to_________________?
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MCQs:  The thermal efficiency of a two cycle engine as compared to four cycle engine is_________________?
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MCQs:  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________________?
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MCQs:  Solid injection in I.C. engines refers to injection of________________?
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MCQs:  For same power and same speed, the flywheel of a four stroke engine as compared to two-stroke I.C. engine will be________________?
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MCQs:  The function of a distributor in an automobile is to__________________?
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MCQs:  Leakage past the piston rings and valve seats in I.C. engines with increase in speed_______________?
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MCQs:  The cooling water requirement for diesel engine is of the order of________________?
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MCQs:  Ignition timing of a multicylider petrol engine can be adjusted by_________________?
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MCQs:  High carbon content in diesel oil used for diesel engine leads to_________________?
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MCQs:  The pour point of diesel oil must be_________________?
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MCQs:  In petrol engine, increase of cooling water temperature will_________________?
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MCQs:  In petrol engines, the maximum power is developed corresponding to relative fuel air ratio of________________?
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MCQs:  In carburettors, the top of the fuel jet with reference to the level in the float chamber is kept at_________________?
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MCQs:  Power impulses from an I.C. engine are somoothed out by__________________?
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