LIVE EXAMINATION-MECHANICAL (06-04-2019 TO 07-04-2019)
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10 questions
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- Q1Brake thermal efficiency of an engine is defined as the ratio ofBrake power to rate of fuel energy inputindicated power to brake powerindicated power to rate of fuel energy inputbrake power to indicated power30s
- Q2The ignition quality of diesel fuel is determined usingOctane numberViscosity of fuelCetane numberLead content30s
- Q3Engine valves are generally formed in to mushroom shape and calledNon-return valveStop valvePoppet valveTappet valve30s
- Q4The big end of the connecting rod is connected toCamCrankPistonCylinder30s
- Q5Brass is an alloy of copper andLeadAntimonyZincTin30s
- Q6Two mating gears should have the sameface widthNumber of teethDiameterModule30s
- Q7Heat and work arePath functionsIntrinsic propertyPoint functionExtrinsic property30s
- Q8As the compression ratio increases, the efficiency of Otto cycleDecreasesNo relationRemains the sameIncreases30s
- Q9The maximum angle of a plane on which a body can just rest is known asAngle of restitutionAngle of coneAngle of frictionAngle of repose30s
- Q10The moment of inertia of a surface is minimum aboutAxis parallel to centroidal axisCentroidal axisAxis at an angle to the centroidal axisAxis perpendicular to centroidal axis30s