Electrical Machines Experienced Online Exam Quiz
Electrical Machines Experienced GK Quiz. Question and Answers related to Electrical Machines Experienced. MCQ (Multiple Choice Questions with answers about Electrical Machines Experienced
Mechanical power developed in the braking region of the induction motor is _________
Options
A : negative
B : positive
C : zero
D : any of the mentioned
Developed torque during plugging is _________
Options
A : negative
B : positive
C : zero
D : any of the mentioned
Slip greater than unity is obtained practically by _________
Options
A : plugging
B : changing phase sequence
C : changing stator leads
D : any of the mentioned
In the 3-phase induction motor developed torque during plugging is ______ mechanical power developed in the braking region of the induction motor is ______
Options
A : positive, negative
B : negative, positive
C : positive, positive
D : negative, negative
Below is the torque slip characteristic of the induction machine. What can be inferred from it?
Options
A : R22 > R21
B : R22 < R21
C : R22 = R21
D : R22 = -R21
When an induction generator is connected to an infinite bus, it _________
Options
A : requires no capacitor bank
B : requires star connected capacitor bank
C : requires delta connected capacitor bank
D : requires any capacitor bank
Changing the rotor resistance will also affect _________
Options
A : starting torque, speed, current
B : maximum torque, speed, current
C : maximum torque, speed, current, starting torque
D : speed and current
Torque produced by induction generator is negative.
Options
A : True
B : False
C :
D :
Induction generator is equivalent to _________
Options
A : underexcited alternator
B : dc generator
C : over excited alternator
D : leading over excited alternator
At starting, developed mechanical power is _____ and developed torque is ______
Options
A : zero, not zero
B : zero,zero
C : not zero, zero
D : not zero, maximum
Electrical Machines Action Commutator more Online Exam Quiz
Electrical Machines Dc Machine Torque
Electrical Machines Dc Motor Starting
Electrical Machines Entrance Exams
Electrical Machines Equivalent Circuit
Electrical Machines Excitation Method
Electrical Machines Ideal Two Winding Transformer
Electrical Machines Induction Generator