Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are the main parts of central chiller plant? Explain the function of each stage.

HSL, Shankar Electricals,

3345

What are the Safety measures in central chiller plant? Explain them?

Carrier, HSL, CPIC, JLL,

18 38169

State the other types of Air Conditioners?

HSL,

699




What will be the total current for 300kva UPS if it runs on 40 to 45 percent load. Is there any formula for to calculate the exact load.

Sodexo,

4 13525

Residual voltage & residual current used in which protection?

Qatar Gas, Reliance, Transformers and Electricals,

5 7507

how to read AWG n how to convert AWG reading into mm?

1 3601

volts=230 c=10mf a=??

737

Can anyone tell me what will happen if AC & DC supply get mixed???

9 9286




working of bucholz relay of a transformer

7 17253

what is boucholz relay and the significance of it in to the transformer?

2 3518

How to calculate the ups battery back up? give the formula.

MacLellan, Cushman Wakefield, Exide, Ethio Telecom, Morgan Stanley, TATA,

14 83624

how to calculate the battery Ah? what is the formula.

Cushman Wakefield,

10 41536

why transformers are sometimes kept on concrete benches..?

2 2618

why the flooring of substation is done with small pebbles or stones..?

16 29575

what is blocking diode and what is the use of it in tne control circuit.Pls Explain it.

1 1615


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Un-Answered Questions { Electrical Engineering }

operation of diesel generator

712


How to maintain ac plant?

671


what is meant by tranformer impedance?

1286


Can we use shunt trip coil instead of trip coil with protection relay for protection?

403


What kinds of decision are made about CT from it's Knee point(voltage & current)?

2113






Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

3224


71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

353


HOW TO CALCULATE AMPs OF CURRENT TRANSFORMER IN HT Panel

936


why HT armoured cable does not glanding

2607


what is EIB lighting control system? what is the advantages of this system?

2305


what purpose to use excaiter in DG.?

1322


What is a fuse? How does it work? What are materials used?

664


please explain to me how to calculate current,voltage,resistance with formula??

124


Why derating factor os applied on Cables?

717


PAC and simple Ac different

109