Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Basic motor transformer generator

eCentric Solutions,

922

How to perform a DC resistance test In Alternator and their proceduces?

1028

if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

973

what is difference between KW and KVA

1 1398

how to select rating of HT Panel

896

if we have 320KVA Genset kindly advice how much load we can put it.

966

For 35 HP motor how much amount of capacitor should be on in kvr to reduce the current bill

1 1517

Why transformer used in UPS??

JLL,

1004

The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

1132

if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

1089

1hp single phase load = howmuch 3 phase load

1031

1.4 What is meant by CT knee point voltage and how would you determine it

1127

If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

898

If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

ABC,

869

i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

810


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Un-Answered Questions { Electrical Engineering }

can any one suggest me the tilt angle of my solar pannel ?? or tell me how can i know the fix tilt angle of my solar pannel?? my cordinates are 31.503629,72.993164.

1347


tell me about eletrical contractor

1498


Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

2535


What is the technical difference between On delay timer and a Star delta timer?

905


WHAT IS THE MEANING OF BALANCED / UNBALANCED IN STABILIZER TYPES.

1936






Can we convert off line transformer to on line transformer

1443


What are Contactors? How they works and what its highest rating?

1499


What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

1876


why steady state stability limit is greater than transient stability limit ? How it can be explained ?

2384


What is knee point voltage?

650


Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.

1836


What is called limb of a transformer?

581


What are the effects of adding a zero to a system?

640


why you don not show protection and type of isolation in key single line diagram?

1452


What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

1601