Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low temperature All of these Long ignition delay Low density Low temperature All of these Long ignition delay Low density ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The correct mixture strength (by weight) for petrol is about 22.6 : 1 18.5 : 1 14.6 : 1 20.4 : 1 22.6 : 1 18.5 : 1 14.6 : 1 20.4 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine is ___ as compared to petrol engine, both running at rated load. Equally efficient None of the listed here More efficient Less efficient Equally efficient None of the listed here More efficient Less efficient ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Detonation Auto-ignition Ignition delay Pre-ignition Detonation Auto-ignition Ignition delay Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging is usually done to increase Thermal efficiency Power output Fuel consumption Speed Thermal efficiency Power output Fuel consumption Speed ANSWER DOWNLOAD EXAMIANS APP
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