ELM 2005: Repair mechanical components of electrical machines
Quiz by Abdulla qebal
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14 questions
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- Q1A single phase ac motor end housing is broke, what you will do to fix motor?buy a new motorreplace the end housingreplace the end housingmaintenance the end housing30s
- Q2The noise from electrical motor while its running because:Run for a long timeJust startedis smallBearing is damaged30s
- Q3To replace a broken pulley of the motor, which of the following tools is suitable to use:PullerSpannerMeggerHammer and chisel30s
- Q4The correct tool that must be used to replace the bearing of the motor is:Bearing pullerScrew driverHammer and chiselPliers30s
- Q5An important step before disassembling the single phase motor is:Screw driverDisconnect the power supplyOhmmeterOpen winding30s
- Q6What is the tool which take the pulley out?ExtractorRanch setPullerAdjustable spanner30s
- Q7In a single phase motor the bearing is used to:To support in the starting torque and disconnected after 75% speed.Support the weight of the armature, and keep the armature cantered within the field polesDecrease the friction while runningTo disconnect the starting winding after 75% of motor speed30s
- Q8Excessive electric noise?Good connectionNot connectedSize of wire is bigMechanical fault30s
- Q9Give protection and support to the machine parts:CommutatorFrameBrushes holderTerminal box30s
- Q10Shaft is part of?Bearing Assembly.Armature Assembly.Shaft AssemblyBrush Assembly30s
- Q11Wearing gloves during workshop are required?For safety your headFor safety your feetFor safety your eyesFor safety your hand30s
- Q12Wearing Safety shoes during workshop are equired?For safety your eyesFor safety your feetFor safety your handFor safety your head30s
- Q13Wearing overall during workshop is required?For safety your headFor safety your feetFor safety your handFor safety all body30s
- Q14Explain, why water should not be used for cleaning the outside surface of the motor?Because the water is a good conductor to electricityBecause the water is saltedBecause the water is sweetBecause the water has high resistance30s