Electrical Engineering Mcqs — Test 22
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Question 1
In a three-phase induction motor_______________?
Question 2
In case of 3-phase induction motors, plugging means__________?
Question 3
Which is of the following data is required to draw the circle diagram for an induction motor ?
Question 4
In three-phase induction motors sometimes copper bars are placed deep in the rotor to___________?
Question 5
In a three-phase induction motor__________?
Question 6
The vafcie of transformation ratio of an induction motor can be found by__________?
Question 7
The shape of the torque/slip curve of induction motor is__________?
Question 8
A change of 4% of supply voltage to an induction motor will produce a change of approximately ________?
Question 9
The power scale of circle diagram of an induction motor can be found from__________?
Question 10
A 500 kW, 3-phase, 440 volts, 50 Hz, A.C. induction motor has a speed of 960 r.p.m. on full load. The machine has 6 poles. The slip of the machine will be__________?