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

what is mean impedance?

ONGC, Wipro,

7 14360

what is difference between inductive and reactiveload?

ONGC,

5 15796

why ht alternators gland plats using brass?

ONGC,

1 3069

how to decrese the PH value of liquid resistance?

ONGC,

2 4855

how many typetesting of transformers?

ONGC,

8 13019

I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

1834

When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

2089

WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

1 6151

why AC signals are represented by sinusoidal waveform?WHY other waveforms not used for representation

1998

explain the working principal of the circuit breaker?

5 11180

What do you mean by pf of a generator? Power factor purely depends on the load (wether inductive, reactive or unity) then what does the pf mentioned on the generator nameplate means?

3 10312

what is the difference between diode and zener diode?

4 8276

How can CALCULAT the current carrying capacity of aluminum and cOpper cables respective of that Sq.mm ? with formulas ?

Bajaj, Eagle, Godawari Power and Ispat, Havells, L&T, Mascot, Polycab, SGML, Sterling Wilson,

12 194134

how we can calcultae the short circuit level for bus bar

Jaiprakash, Panorama Apparels,

2244

what is the difference between indoor package substation and outdoor

3 13415

Un-Answered Questions { Engineering }

What is DC series motor?

1283

What are the functions of base station system (bss)?

1143

What is rfid in developing stage?

1028

Any one can help me to identified, how can we interchange the device in FF

2795

Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

1878

The height and weight of ariane rocket?

863

Define basting?

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

3117

static chagre

2168

Explain the structure of entire GSM.

1972

which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?

2191

Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

2004

What is standard temperature?

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

2175

how to estimate material requirement for an area of house in square feet?

2353

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