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Some important examples
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q41 ⇒ The power used in overcoming friction in the engine is called FHP [other wrong options] [Discuss in forum] BHP IHP |
Q42 ⇒ During combustion the pressure in the cylinder may increase to as much as 50 Kg/cm2 [other wrong options] [Discuss in forum] 400 Kg/cm2 10 Kg/cm2 |
Q43 ⇒ The size of intake valve is Larger than that of the exhaust valve [other wrong options] [Discuss in forum] Smaller than that of the exhaust valve Equal to that of the exhaust valve Not depending upon the size of exhaust valve |
Q44 ⇒ A negative loop in the P.V diagram of an I.C engine is due to Suction of air for engine [other wrong options] [Discuss in forum] Pre ignition in the engine Pre opening of the exhaust valve High pressure in the cylinder |
Q45 ⇒ Two stoke engine is preferred for small vehicles because Its size is small [other wrong options] [Discuss in forum] Fuel consumption is low Shock and vibrations are less It is easy to control |
Q46 ⇒ Knowing the speed at which an engine is running and the torque it is developing, we can calculate FHP [other wrong options] [Discuss in forum] IHP BHP |
Q47 ⇒ The radiator tubes are manufactured by using Brass tubes [other wrong options] [Discuss in forum] Cast iron tubes Aluminum tubes Steel tubes |
Q48 ⇒ If we know the engine speed, bore, stroke, number of cylinders and m.e.p in the cylinders, we can calculate IHP [other wrong options] [Discuss in forum] FHP BHP |
Q49 ⇒ Knowing the IHP and FHP of an engine, we can calculate BHP [other wrong options] [Discuss in forum] Compression ratio rpm SAF |
Q50 ⇒ Which one of the following is not a trade name of tractor in India Standard [other wrong options] [Discuss in forum] Kirloskar Escort HMT |
Q51 ⇒ The ratio between the power output of an engine and the energy in the fuel burned to produce that power is called Thermal efficiency [other wrong options] [Discuss in forum] Volumetric efficiency Mechanical efficiency |
Q52 ⇒ The air volume in the cylinder with the piston at B.D.C divided by the clearance volume is called Compression ratio [other wrong options] [Discuss in forum] Piston displacement Cylinder ratio |
Q53 ⇒ The power used in overcoming friction in the engine is called FHP [other wrong options] [Discuss in forum] BHP IHP |
Q54 ⇒ IHP minus FHP equals BHP [other wrong options] [Discuss in forum] SAF HP m.e.p |
Q55 ⇒ Engine torque is highest at Intermediate speed [other wrong options] [Discuss in forum] High speed Low speed |
Q56 ⇒ BHP divided by IHP is Mechanical efficiency [other wrong options] [Discuss in forum] Thermal efficiency Volumetric efficiency |
Q57 ⇒ In the diesel engine, the compression ratio is as high as 15:1 [other wrong options] [Discuss in forum] 10:1 5:1 |
Q58 ⇒ The device for smoothing out the power impulses from the engine is called the Flywheel [other wrong options] [Discuss in forum] Camshaft Crankshaft Clutch |
Q59 ⇒ The amount of air fuel mixture taken in by the engine on the suction stroke is a measure of the engine's Volumetric efficiency [other wrong options] [Discuss in forum] Compression ratio Clearance volume |
Q60 ⇒ The size of an engine cylinder is referred to in terms of its Bore and stroke [other wrong options] [Discuss in forum] Diameter and bore Bore and length |
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