The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft 1 4 43832 2 TRUE ANSWER : ? YOUR ANSWER : ?
Fuel oil consumption guarantees for I .C. engine are usually based on High heat value of oil Net calorific value of oil Calorific value of fuel Low heat value of oil TRUE ANSWER : ? YOUR ANSWER : ?
It the temperature of intake air in IC engines is lowered, then its efficiency will Remain same Decrease Increase Increase up to certain limit and then decrease TRUE ANSWER : ? YOUR ANSWER : ?
The cetane (Câ‚₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 120 50 100 TRUE ANSWER : ? YOUR ANSWER : ?
The method of determination of indicated power of a multi cylinder spark ignition engine is by the use of Morse test Prony brake test Heat balance test Motoring test TRUE ANSWER : ? YOUR ANSWER : ?
The maximum temperature in the I.C. engine cylinder is of the order of 500-1000°C 2000-2500°C 1500-2000°C 1000-1500°C TRUE ANSWER : ? YOUR ANSWER : ?
The firing order in an I.C. engine depends upon Arrangement of the cylinders All of these Number of cylinders Design of crankshaft TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following engines will have heavier flywheel than the remaining ones? 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW four-stroke diesel engine running at 750 r.p.m. 30 kW two-stroke petrol engine running at 1500 r.p.m. 30 kW four-stroke petrol engine running at 1500 r.p.m. TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of the brake power to the indicated power is called Overall efficiency Mechanical efficiency Indicated thermal efficiency Volumetric efficiency TRUE ANSWER : ? YOUR ANSWER : ?