Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 4 and 2 4 ang 1 2 and 2 2 and 1 4 and 2 4 ang 1 2 and 2 2 and 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as NnL − NfL. (NnL − NfL)/NfL. NnL/NfL. (NfL − NnL)/NnL. NnL − NfL. (NnL − NfL)/NfL. NnL/NfL. (NfL − NnL)/NnL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors? 2. 6. 4. data provided is insufficient. 2. 6. 4. data provided is insufficient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is zero. more than normal speed. less than normal speed. normal speed. zero. more than normal speed. less than normal speed. normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During hunting of a synchronous motor negative phase sequence currents are generated. field excitation increases. harmonic are developed in the armature circuit. damper bar develops torque. negative phase sequence currents are generated. field excitation increases. harmonic are developed in the armature circuit. damper bar develops torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers operating in parallel will share the load depending on their ratings per unit impedance efficiency leakage reactance ratings per unit impedance efficiency leakage reactance ANSWER DOWNLOAD EXAMIANS APP
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