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Engineering Interview Questions
Questions Answers Views Company eMail

what you mean by transformer neutral earthig

IOCL,

1 5255

How Many Cement Bags Are Used in 1 Sqm Area for Plaster????

Era Infra Engineering, FactSet Systems, Indu Projects, L&T, Reliance, Rites,

8 27450

KAlman filter code for two dimension?

Tisco,

2083

how to define the P,I,D value in tuning pid loops in online.

Thermax,

1 3533

I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem

1 4417

wat is the use of oxygen in power plant turbine?

Grasim,

2 5124

What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).

2163

In close vessel/ drum why we use d.p. transmitter of -ve range i.e. (-)500 to 0 mmwc.

IMECO, Voltech,

2 7588

Difference between Earthing Truck & Earthing trolly for HT panel

Moolchand Medcity,

4416

How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.

1961

what is the water cement ratio of 1:6 and 1:4 cement sand mortar. reply soon

Simplex,

2825

What is Rodding?

Gannon Dunkerley,

1 5687

why not starting switch first connect in direct on line starter?????

1951

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

ETA,

1816

what are the major duties of a instrumentation engineer in a power plant.?

Gulf,

3 7428


Un-Answered Questions { Engineering }

Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.

1975


Define cut off frequency?

1068


WILL SCHNEIDER MAKE ACB(MASTERPACT)TRIP ON REVERSE POWER?

2235


Anybody know how schematic diagram for reverse power relay? RPR for generator protection

2155


how to select automotive wire by mathematical equation with given current, vlotage and resistance

2371


How to measure power in 2 or 4 or n phase circuit? Please give me a formula.

1934


Dear sir, I have applied section engineer post at rrb Chennai.Please send me the previous technical question papers and answers

2088


HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?

3531


What the main causes of transient interruptions on Over-Head Distribution Lines?

2166


How fuel oil consumed by medium engine?

1859


hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

1938


How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.

1667


which type of casting enforces type safety

3714


Define block?

1182


what will be the cost of thickness of 125mmor rcc measurement of 52x33.75 feet

1609