Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"

1875

The capacitive reactance of a capacitor of 1/(2(PI)) F at 10^3 H is

1850

The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

2156

The power supplied to a 50mH inductor from a 120V, 60Hz source will be

4794

A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

2381

i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

2121

we use Dyn11 trafo for distribution purpose, if it`s possible for replacing Dyn1. if it`s change means what will happen?

1 5062

what is the max. and mim. height of vertical post in informatry sign board which is used in highway projects.

Gayatri,

2755

How to know th details about an electrical Drawing ? Please mention the easy method.

Siemens,

2448

can we use ACB for HT supply

Reliance,

2 5285

When oil level in the oltc of power transformer reduces , oil surge relay will act or not

4 8476

Why in KVA diesel engine? Why not KW

3 5413

what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

2091

Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

2 6398

two transformers of the same type, using the same grade of iron and conducting material, are designed to work at same flux and current densities, but the linear dimension of one are two times of the other in all respects. The ration of kVA of the two transformer closely equal to................? options: 16, 8, 4, 2

Vizag Steel,

2 15961

Un-Answered Questions { Engineering }

why multiple inheritence concept is not supported in c#?

2116

State newton’s law of convection.

1055

if building "b" height casts a shadow "f ' feet long . the same day a tree "t" feet height will cast a shadow how many feet long ? a)ft/b b)fb/t c)b/ft d)tb/f e)t/fb

2223

What is a feedback? And explain different types of feedback.

966

As per standard, transformer body earthing and other Equipment earthing (Equipment earthing) did not connect. but in LT side termination we are doing metal glanding in both side Transformer to PCC Panel through armoured cable, now X'mer body earthing and PCC Pane earthing (Equipment earthing) both are connect.is this safe for X'mer or other equipment?

1770

How will polarity test of Dy5 Transformer ?

2219

Explain about the techniques of traditional textile decoration

how is working bearing heater?

1975

What are the applications of cycloconverter?

1079

what is sliding spool valves?

2236

how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

1046

HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

1880

What is meant by derating factor?

1223

Number of nodes in Binary tree with height 3:

1105

Name the indicator diagram.

2018

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