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

who is invented transforner (230v).......

2 4870

How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side

1 3732

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

2216

We have A bearing and we Have its in size and Out size Width So how can we Imagine its code No ? if we wanna buy from Market . plz tell me Way thanks

1 4041

why the all high voltage transformers are in 11kv , 33kv , 66kv, 132kv like that

Bhel,

2 7472

what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

2097

Why we does earthing for transformer neutral point

amps, DLF,

5 12193

What is the role of a PMC(project management consultancy) in any construction work?

2 36646

How manu days after the casting of a slab another slab can be casted above it? what is the total curing time of a slab if ponding is not done on it?

6 15685

which is dangerous AC or DC? If so why?

4 7062

PLESE SEND ME OLD TECHNICAL N APPTITUDE QUESTION PAPERS

HPCL, TCS, Urjanet,

2259

why the check zone and main zone are used for Busbar Protn. scheem?

2187

why the undervoltage relay's interlock is used in earthswitch closing operation of the 400kV line scheme?

2 5598

Why should we use Star-Delta connection in step down power transformers?

L&T,

7 21119

now a shunt motor is practically a constant speed motor , then how does it meet the increase or decrease in the load ?

1 3443

Un-Answered Questions { Engineering }

wat book i can refer to succeed in isro exam ...and where i can get the last 5 years questions

3582

for -50 dec which grade steel can be used for ducting work?

1615

I have just joined mechanical engineering this year. I just wanted to know the names of the books which would improve my engineering knowledge and skills. Or isthere any other means to improve it?

1042

A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

2116

How to measure 4-20 mA in the live Ckt. r when the equipment is working ( example VFD, PLC).& 4-20mA used in maximum all ckts.

1997

How are load losses and no-load losses measured at site in a DG set?

1756

Explain what is a latch?

1080

What glue is least sticky?

1244

if a pipe those configuration (ASTM c 76 class b 450mm dia 2500mm length) fixing for water course those lining of water is 7000 running meter. my question is that if 8 joints of pipe ls leakage and we have not permission to stop the water so which treatment we apply on joint in that in condition.

2138

How to find DG efficiency and unit per litre

1526

what is cement wastage percentage in NHAI ROAD WORKS

1905

How to activate isometric axes in cad?

1237

i am electronics & comm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you akil403@yahoo.com

2063

How does a cyclone separator work?

1121

If we increase only P what will be controller action ?

2475

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