Electrical Machines In the 3-phase induction motor, the resultant flux is of a constant nature and is 3 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase 3/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase 3/2 times maximum value of flux due to any phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of stepper motor. slip ring induction motor. squirrel cage induction motor. hysteresis motor. stepper motor. slip ring induction motor. squirrel cage induction motor. hysteresis motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 30 %. 1.5 %. 2.67 %. 5 %. 30 %. 1.5 %. 2.67 %. 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The commutator segments of DC machines are made up of copper copper alloy hard-drawn copper brass copper copper alloy hard-drawn copper brass ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For higher values of armature, the speed of a DC series motor is Constant. Proportional to the square of armature current. Proportional to armature current. Inversely proportional to armature current. Constant. Proportional to the square of armature current. Proportional to armature current. Inversely proportional to armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The squirrel cage induction motors are provided with blades in order to balance the rotor dynamically. none of these. facilitate cooling of rotor. eliminate noise. balance the rotor dynamically. none of these. facilitate cooling of rotor. eliminate noise. ANSWER DOWNLOAD EXAMIANS APP
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