Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Cylinder walls being too hot Overheated spark plug points Red hot carbon deposits on cylinder walls Any one of the listed here Cylinder walls being too hot Overheated spark plug points Red hot carbon deposits on cylinder walls Any one of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine has compression ratio from 25 to 40 10 to 15 6 to 10 15 to 25 25 to 40 10 to 15 6 to 10 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the temperature of intake air in internal combustion engine increases, then its efficiency will Increase None of the listed here Decrease Remain same Increase None of the listed here Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (Câ‚₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 120 50 100 120 50 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The two reference fuels used for cetane rating are Cetane and normal heptane Cetane and iso-octane Cetane and alpha-methyl naphthalene Cetane and tetra ethyl lead Cetane and normal heptane Cetane and iso-octane Cetane and alpha-methyl naphthalene Cetane and tetra ethyl lead 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 0.02 0.08 0.04 0.14 0.02 0.08 0.04 0.14 ANSWER DOWNLOAD EXAMIANS APP
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