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Engineering Interview Questions
Questions Answers Views Company eMail

WHAT IS THE NECESSITY OF GIVING PARTICULAR COLOURS FOR 3 PHASE TRANSFORMERS.....

 5 5601

(1)For 3 No 1500 KVA transformer require on one single bus bar or need to be section through bus coupler means upto 3MVA.(2) 22KV Net work system as ring, How maney I/C required or 0ne I/C and one O/G.(3) What should be rating of VCB for 22 KV line.(4)Electrical/mechanical inter lock, why we need.

 1630

Can we manually synchronize two DG sets of same ratings manually without using speed biasing ? If yes then how?

 4 7272

How to calculate Ith (I thermal) for curent transformer

 1563

how to syncronize two dg sets

 3 6394

What is difference between 3 point and 4 point starter

Genco, Kaltec, TATA,

1 3663

substation+ plc system

 1617

Expand sqcm?

UltraTech,

2 4234

how to calculate the steel for beams and columns for tender purpose? any formula have?

Ashok Leyland,

4 12876

why do we join in bpo?

 1 2629

why motor rating in KW?

 2 5070

why is power supplied in 3 phase only? why not in 2 or 4 phases?

 11 30182

what is dry leg and wet leg in transmeter calibration?

 3 36823

what is instrumentation?

 8 9943

Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me

 1370

Un-Answered Questions { Engineering }

Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com

1617

How you read 5x3x1 #4 @ 20" 0/C in steel structure?

1068

how much of the strength comes from post-production curing

2259

Manipulation of dead wt. tester double piston type.

1505

why we r opening HOT BYPASS valve during startup of a compressor?

1594




Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

1377

Plasterers do how many sqm with spray plaster machine? By hand one mason does 10m2/day. How much they do in Dubai with spray plaster machines?

1560

What is the temprature used in dearator tank?

1944

Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

1491

I WANT BHEL PREVIOUS QUESTION

1828

box1-a box2-b box3-c get 3a-2b-c in box3 using only subtract 3steps

3032

Define load?

1

Difference between MAN and REVERSING SYSTEM?

716

What is shear rate?

1

What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?

1591

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