|
Which of the following type of bearing is generally used to support the rotor of ___
|
|
0
|
117
|
October 25, 2021
|
|
When an induction motor is switched on ___
|
|
0
|
138
|
October 25, 2021
|
|
When a double squirrel cage motor is started, the current induced in ___
|
|
0
|
139
|
October 25, 2021
|
|
Speed variations of a squirrel cage induction motor are essentially similar to ___
|
|
0
|
265
|
October 25, 2021
|
|
If there is an open circuit in the rotor of a ___
|
|
0
|
301
|
October 25, 2021
|
|
The synchronous speed of a 3-phase induction motor is ___
|
|
0
|
172
|
October 25, 2021
|
|
Insertion of resistance in the stator of ___
|
|
0
|
246
|
October 25, 2021
|
|
Reduced voltage starter can be ___
|
|
0
|
121
|
October 25, 2021
|
|
The low power factor of induction motor is ___
|
|
0
|
185
|
October 25, 2021
|
|
Blocked rotor test on induction motors is used to ___
|
|
0
|
150
|
October 25, 2021
|
|
The shape of the torque/slip curve of induction motor is ___
|
|
0
|
132
|
October 25, 2021
|
|
The torque developed in an induction motor is ___
|
|
0
|
148
|
October 25, 2021
|
|
Slip ring motor is recommended where ___
|
|
0
|
142
|
October 25, 2021
|
|
The power factor of an induction motor under no load conditions will be ___
|
|
0
|
187
|
October 25, 2021
|
|
For which motor the speed can be controlled from rotor side?
|
|
0
|
150
|
October 24, 2021
|
|
Which of the following methods is easily applicable to ___
|
|
0
|
146
|
October 24, 2021
|
|
The starting torque of a squirrel-cage induction motor is ___
|
|
0
|
123
|
October 24, 2021
|
|
In an induction motor, no-load the slip is ___
|
|
0
|
160
|
October 24, 2021
|
|
In moist surroundings which frame of motor will be preferred?
|
|
0
|
160
|
October 24, 2021
|
|
Which of the following is not determined by circle diagram?
|
|
0
|
247
|
October 24, 2021
|
|
Which of the following motors has the highest power to weight ratio?
|
|
0
|
440
|
October 24, 2021
|
|
What is the disadvantage of starting an induction motor with a star-delta starter?
|
|
0
|
151
|
October 24, 2021
|
|
The value of average flux density in air gap in an induction motor, should be ___
|
|
0
|
201
|
October 24, 2021
|
|
Synchronous wattage of induction motor means ___
|
|
0
|
150
|
October 24, 2021
|
|
Type of bearing used for 25 H.P. motor is ___
|
|
0
|
211
|
October 24, 2021
|
|
Which of the following statement about a double squirrel cage induction motor is incorrect?
|
|
0
|
149
|
October 24, 2021
|
|
The pull-out torque for a normal squirrel cage induction motor usually ___
|
|
0
|
310
|
October 24, 2021
|
|
A pump induction motor is switched on to a supply 25 percent lower than ___
|
|
0
|
154
|
October 24, 2021
|
|
A 3-phase slip-ring induction motor is ___
|
|
0
|
196
|
October 24, 2021
|
|
A squirrel cage induction motor is ___
|
|
0
|
125
|
October 24, 2021
|