|
What is HFSR & FCMA Starters?
|
|
1
|
156
|
June 21, 2023
|
|
Which of the following, in a D.C. motor, can sustain the maximum temperature rise?
|
|
0
|
147
|
September 24, 2021
|
|
The r.m.s. value of a half-wave rectified current is ___
|
|
0
|
126
|
September 4, 2021
|
|
For the same peak value, which of the following wave has the least mean value?
|
|
0
|
116
|
September 4, 2021
|
|
Selectivities of different resonance circuits are compared in terms of ___
|
|
0
|
101
|
September 4, 2021
|
|
While drawing vector diagram for a series circuit the reference vector is ___
|
|
0
|
131
|
September 4, 2021
|
|
Which of the following waves has the highest value of peak factor '?
|
|
0
|
116
|
September 4, 2021
|
|
For the same peak value which of the following wave will have the highest r.m.s. value?
|
|
0
|
136
|
September 4, 2021
|
|
Which one of the following statements regarding the position of ___
|
|
0
|
89
|
September 4, 2021
|
|
The synchronous impedance of a synchronous-induction motor is ___
|
|
0
|
78
|
September 4, 2021
|
|
Stable operation of an induction motor is ___
|
|
0
|
221
|
September 4, 2021
|
|
The rotor of motor-convertor is wound for ___
|
|
0
|
93
|
September 4, 2021
|
|
The large sized induction motors are protected against overload by ___
|
|
0
|
168
|
September 4, 2021
|
|
A 4-pole, 50 Hz, 3-phase induction motor has blocked rotor reactance per ___
|
|
0
|
194
|
September 4, 2021
|
|
Crawling in an induction motor is due to ___
|
|
0
|
119
|
September 4, 2021
|
|
A 3-phase squirrel cage induction motor has a full-load efficiency of ___
|
|
0
|
623
|
September 4, 2021
|
|
In a 3-phase slip-ring induction motor high starting torque is ___
|
|
0
|
101
|
September 4, 2021
|
|
The input to a stepper motor is in the form of ___
|
|
0
|
117
|
September 4, 2021
|
|
When will a slip-ring induction motor run at super synchronous speed?
|
|
0
|
269
|
September 4, 2021
|
|
The core losses, and friction and windage losses in case of ___
|
|
0
|
135
|
September 4, 2021
|
|
Given that D=rotor diameter and L=axial length, a high performance ___
|
|
0
|
188
|
September 4, 2021
|
|
Consequent pole technique employed for speed control of ___
|
|
0
|
161
|
September 4, 2021
|
|
The power factor of a lightly loaded induction motor is ___
|
|
0
|
102
|
September 4, 2021
|
|
Which of the following types of motors are not the commutator motors?
|
|
0
|
126
|
September 4, 2021
|
|
A 3-phase induction motor fed from a 3-phase voltage regulator is ___
|
|
0
|
258
|
September 4, 2021
|
|
What is the rotor copper loss of a 3-phase 550 volt, 50Hz, 6 poles ___
|
|
0
|
122
|
September 4, 2021
|
|
An electric motor gets ___
|
|
0
|
90
|
September 4, 2021
|
|
In auto-transformer starting of a 3-phase induction motor, if ___
|
|
0
|
98
|
September 4, 2021
|
|
The rotor of a three phase, 5 kW, 400 V, 50Hz, slip ring induction motor is ___
|
|
0
|
720
|
September 4, 2021
|
|
Iron loss in the rotor of a 3-phase induction motor is ___
|
|
0
|
150
|
September 4, 2021
|
