DC Motors Dc series motors are used in those applications where _____ is required. High starting torque Low no load speed Constant speed None of the listed here High starting torque Low no load speed Constant speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is cheap None of the listed here Is simple in construction Provides fine speed control Is cheap None of the listed here Is simple in construction Provides fine speed control ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Slip rings Commutator Armature winding Field winding Slip rings Commutator Armature winding Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. Half None of the listed here Twice One-third Half None of the listed here Twice One-third ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Swinburne's test Brake test Hopkinson's test Field's test Swinburne's test Brake test Hopkinson's test Field's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in None of the listed here The pole faces of main poles The armature Partly in pole faces, partly in armature None of the listed here The pole faces of main poles The armature Partly in pole faces, partly in armature ANSWER DOWNLOAD EXAMIANS APP