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Engineering Interview Questions
Questions Answers Views Company eMail

what is vacuum....?

UPL,

6 7655

how to calculate the cable size depending on the transformer rating

 2 4755

what is the meaning of impedance protected in instrument cooling fan

 2785

if 6 earth pit value is 1.5 ohm then what should be the number of earth pit to make the value .8 ohm

 1692

Why infinite busbar has zero resistance and high mechanical inertia?

 1 3175

Why the transformers making noise?

L&T,

2 7647

In Indian Railways , how the AC motor is driven? Please explain clearly starting from the overhead 25kV supply.

 1 3181

In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

 1588

what are the steps of syncronizing the generator with an infinite grid?

Genco, Orient,

3 7768

In a 132KV Grid Station where voltage level is 132KV, here,  why the rating of Surge arrests installed 120KV ? 

 1 4004

one cricket ball through in chennai and jaipur same speed where bowl has fast speed

 1 6026

what is the best way to start a 15 KW motor for pump star-delta or direct on line ? and from how many KW i must use direct on line ?

 1 2804

which has more heat effect(dc or ac)

CCEL, TATA,

4 6368

How can we prevent the (Home)inverter supply flow to the main supply line?

L&T,

1 2846

what is all types of analyzer in water production plant?

Marafiq,

1 2421

Un-Answered Questions { Engineering }

What are the delays in construction projects due to approvals from owners? How can we analyze them in different prospective? Whats their affects and effects on presently going work?

1601

Are you ready to relocate with your immediate family as a new employee?

1212

What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?

1412

what is class of SPD and dittels of all class ?

1569

What is stripper & spilitter ? Diffrence in this.?

2530




how can we say that stator magnetic field rotates with synchronous speed?can we derive?

1292

How to convert binary to excess 3 code and vice verse?

556

how much brick, cement, and sand required in 1mtr X 0.23mtr X 1mtr brickwork(1:4), 230mm thick wall and 10mm thick mortar , brick size 230mm X 70mm X 110mm

1534

What are the different types of wet processing?

1

What is handover?

673

Please, give me the simple circuit dig. for "oscillator with variable frequency & upto 6W". I will be very thankful to you.

1488

What are the alternate material for steel, Sand and aggregate

1822

what do w do when the output of generator is fluctuating?

1669

What is dtsi? Why it is used in motor bikes?

622

Why do some of the latest 'single crystal' superalloys contain concentrations of the grain boundary strengthening elements, e.g. carbon and boron?

1594

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