|
The induced voltage in a single loop reverses ___
|
|
0
|
636
|
August 7, 2021
|
|
Skew of the rotor bar eliminates ___
|
|
0
|
133
|
August 8, 2021
|
|
Which of the following ac motor is widely used ___
|
|
0
|
386
|
August 8, 2021
|
|
When the supply voltage to an induction motor id reduced by 10%, the maximum torque will ___
|
|
0
|
181
|
August 8, 2021
|
|
The speed of the induction motor depends on ___
|
|
0
|
162
|
August 8, 2021
|
|
In V/f speed control of 3 phase induction motor, the maximum torque and slip at which the ___
|
|
0
|
171
|
August 8, 2021
|
|
In case of 3 phase slip ring induction motor as the rotor resistance is ___
|
|
0
|
256
|
August 8, 2021
|
|
The rotor slots of the 3 phase induction motor are ___
|
|
0
|
166
|
August 7, 2021
|
|
Increase in the length of air gap in an induction motor causes ___
|
|
0
|
197
|
August 7, 2021
|
|
Crawling of induction motor occurs due to ___
|
|
0
|
165
|
August 7, 2021
|
|
Circle diagram is employed to determine the performance of ___
|
|
0
|
290
|
August 7, 2021
|
|
When the induction motor is stand still the ___
|
|
0
|
163
|
August 7, 2021
|
|
The power factor of the 3 phase induction motor will be ___
|
|
0
|
190
|
August 7, 2021
|
|
In an induction motor, the variable mechanical load is represented electrically by ___
|
|
0
|
200
|
August 7, 2021
|
|
The no-load current in an induction motor is ___
|
|
0
|
145
|
August 7, 2021
|
|
In an Induction motor slip depends on ___
|
|
0
|
284
|
August 7, 2021
|
|
If a current carrying conductor is placed in the uniform magnetic field with its plane perpendicular to the direction of ___
|
|
0
|
162
|
August 7, 2021
|
|
Which type of emf is induced in the dc generator ___
|
|
0
|
192
|
August 7, 2021
|
|
Sparkless commutation can be achieved by employing ___
|
|
0
|
128
|
August 7, 2021
|
|
Eddy currents are induced in the pole shoes of ___
|
|
0
|
221
|
August 7, 2021
|
|
The ventilating ducts in dc machines are generally ___
|
|
0
|
122
|
August 7, 2021
|
|
The yoke in the dc machine is laminated ___
|
|
0
|
128
|
August 7, 2021
|
|
Reluctance torque in rotating machines is present when ___
|
|
0
|
354
|
August 7, 2021
|
|
In a dc generator the residual magnetism is of the order of ___
|
|
0
|
190
|
August 7, 2021
|
|
The efficiency of a dc motor when developing maximum power will ___
|
|
0
|
135
|
August 7, 2021
|
|
Which of the following induction motor will be operating at lowest value of ___
|
|
0
|
218
|
August 7, 2021
|
|
Under which of the following starting methods an induction motor draws ___
|
|
0
|
130
|
August 7, 2021
|
|
The size of high speed motor will be ___
|
|
0
|
125
|
August 7, 2021
|
|
The starting torque of induction motor varies as ___
|
|
0
|
275
|
August 7, 2021
|
|
Squirrel cage induction motors are not favored when ___
|
|
0
|
150
|
August 7, 2021
|