Electrical Machines The change in speed of a DC generator due to increased load is corrected by increasing input power of the prime mover. increasing terminal voltage. increasing armature resistance. increasing armature cooling. increasing input power of the prime mover. increasing terminal voltage. increasing armature resistance. increasing armature cooling. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence? BRY RBY BYR All of these BRY RBY BYR All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf? 3 Hz. 50 Hz. 2 Hz. 10 Hz. 3 Hz. 50 Hz. 2 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principal of starting of 3 - Φ IM is similar to capacitor run IM. transformer with short-circuited secondary. repulsion motor type starting. synchronous motor. capacitor run IM. transformer with short-circuited secondary. repulsion motor type starting. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly cast iron. copper. carbon. mica. cast iron. copper. carbon. mica. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively less and thick less and thin large and thick large and thin less and thick less and thin large and thick large and thin ANSWER DOWNLOAD EXAMIANS APP
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