Internal Combustion Engines Which of the following fuel has little tendency towards detonation? Iso-octane Benzene Alcohol Normal heptane Iso-octane Benzene Alcohol Normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The output of a diesel engine can be increased without increasing the engine revolution or size in following way Feeding more fuel Scavenging Supercharging Heating incoming air Feeding more fuel Scavenging Supercharging Heating incoming air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the Exhaust will be smoky Piston rings would stick into piston grooves Engine starts overheating Scavenging occurs Exhaust will be smoky Piston rings would stick into piston grooves Engine starts overheating Scavenging occurs ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in meters, N = Speed of engine in r.p.m., S = Spring balance reading in newtons, D = Dia. of brake drum in meters, and d = Dia. of rope in meters) All of these P = [(W - S) π (D + d) N]/60 watts P = (Wl × 2πN)/60 watts P = [(W - S) πDN]/60 watts All of these P = [(W - S) π (D + d) N]/60 watts P = (Wl × 2πN)/60 watts P = [(W - S) πDN]/60 watts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of 250°C 1000°C 2000°C 500°C 250°C 1000°C 2000°C 500°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft 4 43832 2 1 4 43832 2 1 ANSWER DOWNLOAD EXAMIANS APP