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Engineering Interview Questions
Questions Answers Views Company eMail

what is power factor? is it good or bad for a system? what will happen if power factor increase or decrease?

Bhel,

4 12381

what"s the sort of beams?

2319

why it is in star to delta form of Synchrounus generator and delta to star form of Generator Transformer (or step up transformer)

1 4630

hey guys i recently saw a long transmission line in which a sort of balloons in red and white color were hanging at each section.do u have any idea why are they kept for?

3 7320

what is the formula for calculating milliampere at different pressure points for eg 4-20 ma = 3-15 psi but if i have to check the ma at 4.6 ma?

4 27433

what is three element in thermal boiler

9 13730

we all know that corona is nothing but ionization of air around the conductor and there by allowing current to pass through ionized air.but we are not getting any short circuit in between the respective phases though the air turned as a conductive media between them??

Siemens,

1 4325

why thickest layer of ice is formed at windshield of a car not in the window?

1 4104

Why use -48v power to BTS

2105

what is machin

Jindal,

4 8391

what is the properties of good transformer oil

2278

in case of induction motor when overload condition or any short ckt. why stator winding burn not to be rotor winding

2 4949

when we connect a ceiling fan to a inverter's output voltage, it give some noise, why?

Luminous,

5 12280

what is mean by hormonics & surge? and it's effects?

TCS,

1 3226

what is the relationship between psi,cfm & bar in the air compressor?

Jindal,

9 77904


Un-Answered Questions { Engineering }

how to enter inverter parameter? without manaual?

2038


What is the C.C in motorbikes?

1305


Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.

2075


What are pcbs?

1169


ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

2388


What are the different types of flip-flops?

1034


HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

2102


How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

1977


i want sample question paper for SECTION ENGINEER IN RRB.

4392


how to relay switch sense the fault?

2609


In how we connect watt meter for open & short circuit test of a single phase transformer.

6720


What is the previous name of Cox's Bazar

2251


What are two contours of nichols chart?

1097


what is the water-cement ratio of mix design while 30mpa in 7 days?

3066


What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

2061