Electrical Machines Aptitude Test Online Exam Quiz
Electrical Machines Aptitude Test GK Quiz. Question and Answers related to Electrical Machines Aptitude Test. MCQ (Multiple Choice Questions with answers about Electrical Machines Aptitude Test
The speed characteristic of the induction motor is analogous to ____________
Options
A : dc shunt motor
B : synchronous motor
C : cumulative compound motor
D : stepper motor
The external rotor resistance is ____________
Options
A : gradually cut out as motor picks up the speed
B : fixed for a stable point
C : removed instantalLy as the motor is started
D : added or reduced as per the efficiency requirement
If the squirrel-cage induction motor is replaced by a solid cylinder in an induction motor its slip will ____________
Options
A : increase
B : decrease
C : be same
D : zero
Number of the slip rings required for the satisfied operation of an induction motor is?
Options
A : number of phases
B : number of poles
C : halve of number of poles
D : double the phases
Blocked rotor test comprises of ____________
Options
A : rotor and stator copper losses.
B : rotor copper and stator core losses.
C : rotor core losses
D : stator copper losses
The speed of the squirrel-cage induction motor can be changed by varying slip.
Options
A : True
B : False
C :
D :
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