Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.7 0.3 0.15 0.5 0.7 0.3 0.15 0.5 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will Decrease Increase Be independent May increase or decrease depending on other factors Decrease Increase Be independent May increase or decrease depending on other factors ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Fuel consumption of diesel engines is not guaranteed at one quarter load because at such low loads The friction is high The engine is rarely operated The small difference in cooling water temperature or in internal friction has a disproportionate effect The friction is unpredictable The friction is high The engine is rarely operated The small difference in cooling water temperature or in internal friction has a disproportionate effect The friction is unpredictable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Increase None of these Remain same Decrease Increase None of these Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is Swept volume/cylinder volume The ratio of volumes of air in cylinder before compression stroke and after compression stroke Volume displaced by piston per stroke and clearance volume in cylinder Ratio of pressure after compression and before compression Swept volume/cylinder volume The ratio of volumes of air in cylinder before compression stroke and after compression stroke Volume displaced by piston per stroke and clearance volume in cylinder Ratio of pressure after compression and before compression ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇Hâ‚₆) is given a rating of ________ octane number. 50 100 120 50 100 120 ANSWER DOWNLOAD EXAMIANS APP
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