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Engineering Interview Questions
Questions Answers Views Company eMail

What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

ABC, Reliance Life Sciences, TCS,

1871

we have 3 phase 4 wire supply 230/415 V.AC and our distribution is single phase or we have all single phase 220 v,ac operated appliances. and noted the current with help of clamp meter Red to N = 20 Amps. Yellow to N = 45Amps and Blue to N = 30 Amps ( total is 95 Amps ) what will be neutral current on the main .

ABC,

1 4582

Which bearing offers lowest friction?

 5 12552

What is mimimum di -electric strength value for 33 KV transformer OLTC oil

Franke Faber,

1560

what is hold time for flip flop?

 2 4892

KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

Suzlon,

4 6618

what is the three phase induction motor? what is difference between motor used in household instruments and induction motor?

Essel,

1564

what is the weight of sand,corrse aggregate and steel,for 1cum

Gulf Asia, Jade Software, Sand,

1 13524

how to decide reflux ratio & its calculation

 1 2880

what is cogging and crawling

Suzlon,

2011

what are the stresses in circuit breakers ?

 1515

How can we calculate the cement Quantity in M25?

JK Associates, Vardhman, Wave Infratech,

2 6414

please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com

 1364

how many types of viberation transmitter and how to calibrate and where use of vibration transmitter

Sabic,

1685

what will happen if transmitter wire get shoted?

Sabic,

2 7905

Un-Answered Questions { Engineering }

can anyone tell me about the basic concepts to consider before to start a PLC panel wiring

1502

What is the difference between vector surge relay (78) and Pole slip relay (98G)

641

Explain the terms solid solution, eutectic, eutectoid and peritectic.

688

Describe the working of 3φ semi converter. And derive the expressions for average output voltage and rms output voltage?

617

How can u find reactive loads(Kvar)?

943




How to calculate wire length,size & current? ( related to control panel)

1664

Hook up resistance decade box to temp.transmitter.

1719

what is load capacity of 11 cm cylinder bor 100kg. pressor?

1795

How to get MEP technical,instaaltion & testing data for interview?

1601

what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?

2142

Explain RAID and mirroring?

622

Explain me what is astm?

1

why do we carry out winding resistance test?

1834

Define damping ratio.

776

Key difference between ip10 and ip20 of ceragon equipment?

4545

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