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Engineering Interview Questions
Questions Answers Views Company eMail

What is differential relay ? where it can be used?

Scope International,

1 4632

CFL lamp is what type of load?

 6 16329

how to calculate the chiller load from TR to KW?

 2988

why 4ma show higher zero ? i have transmiter flow renge 0-1000 m3/h but 4 ma show in monitoring 200 m3/h and 20 ma show 1000 m3/h i want when 4ma show 0 m3/h and 20ma 1000m3/h

 3 5049

what is refrigration cycle and explain?

 1 4138

what are all the presser we should maintain in fire hydrent system?

 1 2814

What is on line ups and off line ups?

 2 4136

How many no of bars in a bundle of steel and kgs/bundle. 8 mm, 10mm, 12mm, 16mm, 20mm with both MS and TMT separate.

ABC,

15 183652

any body know about lighting arrestor. how to determine the height of lighting rod from top of bulding and how many area it cover.

 1 3113

what is high pot test on 11kv switchgear and how to apply high voltage on panel what is spheare gap and how to determine its celeberation.

 1 5776

Should the neutral earthing of 33/11KV D-S transformer, be connected to the earth grid?(Yes/ NO) why?

HAL, Vijai Electricals,

1 4707

sir i m reject two time in u.s in spring intake now im taking a date of 1july-2010 in fall intake &im competed my bachlor degree(chem) in jun-2009 so what answer i give to visa officer ask me a what r u doing last 1-year bcoz i have no work expirience

 1343

why electron produce magnetic field when it is in motion?

Power Grid,

1691

What is the minimum rating availalbe for weld neck orifice in market?

Jindal,

1552

What is surging in centrifugal compressor. how its happened and how to avoid it.?

 10 36518

Un-Answered Questions { Engineering }

sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.

2484

What is two plant-based cotton source?

3

What happens if the series current double?

994

Dear Sir I am living in Jaipur Rajasthan  now I did complete my b tech degree in electrical engineering in 2012  Sir how I gate certificate of competency for electrical supervisor

1583

1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

1804




what exactly commisioning work does in electrical site work... LT side?..

1498

What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?

1102

Are there flow velocity restrictions to avoid static charge build up in pipelines?

691

What is bolt?

1

When a 30KW/3 ph pump runs one hour continously, what will be the heat dissipated? how can i find this, any general equation?

1401

Difference between 2-Valve Manifolds, 3-Valve Manifolds and 5-Valve Manifolds 3 with diagram

2684

what are the difference between PLC and embedded

1649

how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???

2004

Define casing?

1

What are the different steps in the conceptual design of a commercialpassenger aircraft? Discuss the reasoning behind the order of steps.

670

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