Electrical Q & A - Inst Tools

Interview Questions on Transformers

What is a transformer? Transformer is a static electrical device which transfers power from one circuit to another circuit without

What are the sources of reactive power? How it is controlled? The sources of reactive power are generators, capacitors, and

What is the main reason for providing metallic sheath in underground cables? The metallic sheath is provided around the insulation

Study the electrical engineering technical questions and answers on protection relays to prepare for the job discussions. Protection Relays Interview

Please Name some Single-phase induction motors? (i) split-phase type (ii) capacitor type (iii) shaded-pole type Please name two types of

What is the Three Phase induction motor Working Principle? Like any electric motor, a 3-phase induction motor has a stator

1. Why almost all large size Synchronous machines are constructed with rotating field system type? The following are the principal

What is holding current in SCR? It is the minimum current required to hold the SCR in forward conduction state.

What are different insulators employed in substations? Some of the insulators employed in substations are: Pin insulators Post insulators Strain