Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% cetane and 60% alpha methyl naphthalene 40% alpha methyl naphthalene and 60% cetane 40% diesel and 60% petrol 40% petrol and 60% diesel 40% cetane and 60% alpha methyl naphthalene 40% alpha methyl naphthalene and 60% cetane 40% diesel and 60% petrol 40% petrol and 60% diesel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is More difficult to ignite None of these Less difficult to ignite Highly ignitable More difficult to ignite None of these Less difficult to ignite Highly ignitable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at bottom dead centre and ends at top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at bottom dead centre and ends at top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The combustion in compression ignition engines is Homogeneous Heterogeneous Both (A) and (B) None of these Homogeneous Heterogeneous Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.08 0.04 0.02 0.14 0.08 0.04 0.02 0.14 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to Both (A) and (B) Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points None of these Both (A) and (B) Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points None of these ANSWER DOWNLOAD EXAMIANS APP
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