|
For driving high inertia body best type of induction motor suggested is ___
|
|
0
|
102
|
October 25, 2021
|
|
Which motor is preferred for use in mines where explosive gases exist?
|
|
0
|
130
|
October 25, 2021
|
|
A 500 kW, 3-phase, 440 volts, 50 Hz, A.C. induction motor has ___
|
|
0
|
177
|
October 25, 2021
|
|
In case of 3-phase induction motors, plugging means ___
|
|
0
|
158
|
October 25, 2021
|
|
It is advisable to avoid line starting of ___
|
|
0
|
151
|
October 25, 2021
|
|
Slip of an induction motor is ___
|
|
0
|
111
|
October 25, 2021
|
|
The maximum torque in an induction motor depends on ___
|
|
0
|
161
|
October 25, 2021
|
|
The torque developed in the cage induction motor with ___
|
|
0
|
132
|
October 25, 2021
|
|
The term `cogging` is associated with ___
|
|
0
|
190
|
October 25, 2021
|
|
In case the air gap in an induction motor is ___
|
|
0
|
126
|
October 25, 2021
|
|
Under average service conditions, motor bearings may be ___
|
|
0
|
104
|
October 25, 2021
|
|
What is the advantage of the double squirrel-cage rotor as compared to the round bar cage rotor?
|
|
0
|
245
|
October 25, 2021
|
|
If an induction motor is to be run on unbalanced supply, then it ___
|
|
0
|
121
|
October 25, 2021
|
|
During starting if an induction motor hums, the probable cause could be ___
|
|
0
|
210
|
October 25, 2021
|
|
In a 3-phase induction motor which of the following statements, regarding frequency of ___
|
|
0
|
144
|
October 25, 2021
|
|
When a squirrel cage induction motor fails to start which of the following could not be ___
|
|
0
|
377
|
October 25, 2021
|
|
The difference between the synchronous speed and the actual speed of ___
|
|
0
|
175
|
October 25, 2021
|
|
Two of the power supply terminals to a 3-phase induction motor get ____
|
|
0
|
176
|
October 25, 2021
|
|
The speed of a 3-phase wound motor can be ___
|
|
0
|
209
|
October 25, 2021
|
|
If single-phasing occurs on the running position in ___
|
|
0
|
374
|
October 25, 2021
|
|
The starting torque of a 3-phase squirrel cage induction motor is ___
|
|
0
|
140
|
October 25, 2021
|
|
In a star-delta starter of ___
|
|
0
|
227
|
October 25, 2021
|
|
Insertion of resistance in the rotor of an induction motor to ___
|
|
0
|
240
|
October 25, 2021
|
|
An induction motor can run at synchronous speed when ___
|
|
0
|
115
|
October 25, 2021
|
|
If a 3-phase supply is given to the stator and rotor is ___
|
|
0
|
114
|
October 25, 2021
|
|
If an induction motor with certain ratio of rotor to ___
|
|
0
|
108
|
October 25, 2021
|
|
The auto-starters (using three auto transformers) can be ___
|
|
0
|
102
|
October 25, 2021
|
|
Star-delta starting of motors is not possible in ___
|
|
0
|
124
|
October 25, 2021
|
|
In squirrel cage induction motors, the rotor slots are ___
|
|
0
|
126
|
October 25, 2021
|
|
When a Scharge motor runs exactly at synchronous speed, then ___
|
|
0
|
120
|
October 25, 2021
|