Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between electrical earthing and electrical grounding?

648

What is meant by bus bar protection?

616

Draw the single line diagram of the power station?

624

What is primary and backup protection?

701

How do you select the pickup value of the relay?

775

Give some example of fault limiting devices?

739

What is the difference between the transmission line and distribution line?

637

What is the bundle conductor?

700

What is the difference between resistance grounding system and resistance earthing system?

607

When are the directional relays used?

589

What are the common sources of energy?

599

How many types of faults are there in 3 phase power system?

609

What is meant by sag?

626

What is critical disruptive voltage?

798

What are the advantages of a three-phase system over a single-phase system?

598


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

why in the three pin plug all 3 pins are cutted ?

1499


Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

670


For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

1554


How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

4843


How to calculate the fuel consumption for 600kva DG genset which connecting with 25%load?

1661






why dc is used in control circuit for mv & hv switchgear instead of ac

1426


explain different types of d.c motors?

674


Explain The Application Of Storage Batteries?

658


In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

1547


What is an order of a system.

695


Transformer diagram mention each parts ?

1551


how to select the isolation tranformer for siemens 802dsl cnotroller

1573


A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

1434


Electrical Engineering

1463


what is meant by residual over voltage & residual earth fault ?

8401