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 10840

what"s the sort of beams?

1803

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

1 3938

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 6189

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 26058

what is three element in thermal boiler

9 10841

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 3464

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

1 3278

Why use -48v power to BTS

1637

what is machin

Jindal,

4 7028

what is the properties of good transformer oil

1686

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

2 3972

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

Luminous,

5 10394

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

TCS,

1 2419

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

Jindal,

9 74811


Un-Answered Questions { Engineering }

If any machinery or transmission needs periodic ana regular lubrication . what is the best method to give it?

3787


What type of questions are asked in Tetra pak onlinr test

1233


What is min thickness,min grade of conc & age of PQC ?

8474


what is polarisation o antenna ?

1610


What is the density of plastic?

643






What are gprs services?

646


how generator load test is conducted?what are the steps?

1127


why capacitive load is not used in routine life????any reason is there ??????

1128


how to work induction mooter

1447


In the case of baseband signaling, the received waveforms are already in a pulse-like form. Why then, is a demodulator (receiving filter) needed to recover the pulse waveform?

2087


hi every one, i want to make a coal grinder to mil 3 or 4 tons of coal dust per hour . if you guys help me with photos or some tecnical drawings that would be very kind of you.

1587


Is the unit and normal value fuel ratio of an average diesel engine?

1803


What is the strongest bridge for a school contest?

696


i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

1173


How to detect staring valve leaks?

1553