Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of supercharging the engine is All of these To increase the power output of an engine when greater power is required To reduce space occupied by the engine To reduce mass of the engine per brake power All of these To increase the power output of an engine when greater power is required To reduce space occupied by the engine To reduce mass of the engine per brake power ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The compression ignition engines are governed by Qualitative governing Hit and miss governing Combination of (B) and (C) Quantitative governing Qualitative governing Hit and miss governing Combination of (B) and (C) Quantitative governing ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be High self ignition temperature of fuel Low compression ratio Late auto-ignition Short delay period High self ignition temperature of fuel Low compression ratio Late auto-ignition Short delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The Cipoletti weir is a __________ weir. Triangular Trapezoidal Rectangular Circular Triangular Trapezoidal Rectangular Circular ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure All of these The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure All of these The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition ANSWER DOWNLOAD EXAMIANS APP