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