Internal Combustion Engines For the same power developed in I.C. engines, the cheaper system is Naturally aspirated Centrifugal pump Supercharged Turbo charger Naturally aspirated Centrifugal pump Supercharged Turbo charger ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 10 bar 35 bar 20 bar 25 bar 10 bar 35 bar 20 bar 25 bar 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 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged? No Yes Unpredictable To some extent No Yes Unpredictable To some extent ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% diesel and 25% petrol 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane ANSWER DOWNLOAD EXAMIANS APP
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