Internal Combustion Engines Iso-octane (C₈H₁₈) has octane number of 120 50 100 0 120 50 100 0 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The two reference fuels used for cetane rating are Cetane and alpha-methyl naphthalene Cetane and normal heptane Cetane and iso-octane Cetane and tetra ethyl lead Cetane and alpha-methyl naphthalene Cetane and normal heptane Cetane and iso-octane Cetane and tetra ethyl lead ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% diesel and 60% petrol 40% cetane and 60% alpha methyl naphthalene 40% petrol and 60% diesel 40% alpha methyl naphthalene and 60% cetane 40% diesel and 60% petrol 40% cetane and 60% alpha methyl naphthalene 40% petrol and 60% diesel 40% alpha methyl naphthalene and 60% cetane 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 A stoichiometric air-fuel ratio is Rich mixture for idling Chemically correct mixture Lean mixture Rich mixture for over loads Rich mixture for idling Chemically correct mixture Lean mixture Rich mixture for over loads ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Delayed burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
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