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) None of these 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) None of these 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cam shaft of a four stroke I.C. engine running at 1500 rpm will run at Any value independent of engine speed 3000 rpm 1500 rpm 750 rpm Any value independent of engine speed 3000 rpm 1500 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The Cipoletti weir is a __________ weir. Trapezoidal Rectangular Triangular Circular Trapezoidal Rectangular Triangular Circular ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Engine pistons are usually made of aluminium alloy because it Is stronger Wear is less Absorbs shocks Is lighter Is stronger Wear is less Absorbs shocks Is lighter ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Auto-ignition Ignition delay Detonation Pre-ignition Auto-ignition Ignition delay Detonation Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Same More or less depending on power rating More Less Same More or less depending on power rating More Less ANSWER DOWNLOAD EXAMIANS APP
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