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5 questions
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- Q1D.C Motor converts ………….…………….Mechanical energy to Electrical energyElectrical energy to Mechanical energyMechanical energy to Chemical energyHeat energy to Electrical energy30s
- Q2The direction of rotation of a D.C series motor can be changed by…………..Either of Aand B aboveInterchanging supply terminalsInterchanging field terminalsNone30s
- Q3If a D.C Motor is connected to an A.C supply then it will……………..Run at lower speedBurn due to heat produced in field winding by eddy currents.Run at normal speedNot run30s
- Q4In D.C Motor the Armature is a ……………… part.FluctuatingRotatingUselessStationary30s
- Q5In D.C Motor, D.C stand for:Distance curveDirect currentDuplicate currentDancing curve30s