Electrical Machines The starting resistance of DC motor is generally Infinitely large. 1000 ohms. Low. around 500 ohms. Infinitely large. 1000 ohms. Low. around 500 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 36 72 37 74 36 72 37 74 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 48.5Hz 51.5Hz 2.5Hz 1.5Hz 48.5Hz 51.5Hz 2.5Hz 1.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 4 2 1 6 4 2 1 6 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 20. 0.05. 0.905. 1.1. 20. 0.05. 0.905. 1.1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The brushes of a DC machine should be placed on the commutator in the inter polar axis. commutator in the polar axis. armature in the polar axis. armature midway between poles. commutator in the inter polar axis. commutator in the polar axis. armature in the polar axis. armature midway between poles. ANSWER DOWNLOAD EXAMIANS APP
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