Internal Combustion Engines During idling, a petrol engine requires _________ mixture. Lean Rich Chemically correct None of these Lean Rich Chemically correct None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Indicated thermal efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Indicated thermal efficiency Mechanical efficiency Volumetric efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Between 95 and 100% Between 85 and 95% Below 50% Between 50 and 85% Between 95 and 100% Between 85 and 95% Below 50% Between 50 and 85% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is The ratio of volumes of air in cylinder before compression stroke and after compression stroke Ratio of pressure after compression and before compression Swept volume/cylinder volume Volume displaced by piston per stroke and clearance volume in cylinder The ratio of volumes of air in cylinder before compression stroke and after compression stroke Ratio of pressure after compression and before compression Swept volume/cylinder volume Volume displaced by piston per stroke and clearance volume in cylinder ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇Hâ‚₆) is given a rating of ________ octane number. 120 50 100 120 50 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of 50 0 120 100 50 0 120 100 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS