EXAMIANS
If the temperature of armature resistance is increased, the speed of a series motor would
YOUR ANSWER : ?
YOUR ANSWER : ?
If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to?
YOUR ANSWER : ?
The rotor winding for a 3-phase slip-ring induction motor having delta-connected stator must be connected in
YOUR ANSWER : ?
Induction motors have the advantage of
YOUR ANSWER : ?
High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance.
YOUR ANSWER : ?
Transformer oil is used as
YOUR ANSWER : ?
Winding conductors of an electrical power transformer are mainly insulated by
YOUR ANSWER : ?
Which of the following motors has negative speed regulation?
YOUR ANSWER : ?
The magnetic circuit of a dc shunt generator with negligible armature resistance and brush contact voltage drop remains unsaturated when it delivers full-load current at rated terminal voltage. The brushes are kept in the interpolar axis and speed is maintained constant. When the load is switched off, the terminal voltage would
YOUR ANSWER : ?
Number of slip rings in 3-phase synchronous motor will be
YOUR ANSWER : ?