Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a Circle about the origin. Straight line through the origin. Rectangular hyperbola Straight line parallel to the speed axis. Circle about the origin. Straight line through the origin. Rectangular hyperbola Straight line parallel to the speed axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Use of fractional pitch winding All of these make it stiffer. results in reduced axial length of the machine. results in reduced leakage reactance. All of these make it stiffer. results in reduced axial length of the machine. results in reduced leakage reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 2 and 1 4 ang 1 2 and 2 4 and 2 2 and 1 4 ang 1 2 and 2 4 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 900 rpm 1000 rpm 850 rpm 950 rpm 900 rpm 1000 rpm 850 rpm 950 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Synchronous motors. Universal motor. Slip ring induction motor. Reluctance motor. Synchronous motors. Universal motor. Slip ring induction motor. Reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is done in speed control of DC motor by field flux control? Inserting an additional resistance in the armature circuit. Any of above. Inserting resistance to armature circuit and field circuit. Inserting an additional resistance in the field circuit. Inserting an additional resistance in the armature circuit. Any of above. Inserting resistance to armature circuit and field circuit. Inserting an additional resistance in the field circuit. ANSWER DOWNLOAD EXAMIANS APP
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