Engineering Interview Questions
Questions Answers Views Company eMail

what is the main supply source for pressure transmitter?

1 4678

what is ring main unit(Rmu)? what is its function

1 4212

what is the chemical name for oil that used in the transformer

NCC,

2 4430

How to set the star delta timer setting?

Integra,

1 3555

what is the differance between normal bybass & maintenance bybass in UPS?

1 3046

Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

1617

what is the Tensile strength of M6 Screw

2 3869

In 11KV Double pole structure for each phase we are using Disc one Insulator. Why we are not using 2 r above insulators instead of one insulator?

Genus,

4 8201

What is the difference between Derived earth Fault and measured earth fault.How it works.

1 18015

Which one hurts more AC or DC Current ?

10 8994

How to decide Heating surface area of boiler on their steam generating capacity?

4 12844

WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

Bhel,

1683

what is star delta starter? how it works? give its control and power diagram.

Bhel, Point to Point Solution, Star Wire,

1586

what is RTD? what is THERMOCOUPLE? What is difference between it?

Bhel,

2 4605

what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?

Bhel,

1 2599


Un-Answered Questions { Engineering }

why pistons rotate in clockwise direction?what are the functions of counter weight in crank?

1183


what are the reseach done by itc brfore launching e-copal

1423


What are two essential conditions of perfect gas ?

633


testing formula for oxygen by ammonium chloride,ammonium hydroxide and copper

521


How small can you make a computer? What are the limiting factors?

751






we are operation 3 generator with module 5510 and electronic control module . two generator running system healthy and generator called another one generator running always generator called did not showing system healthy

1440


I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

1264


what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

1970


any earth foult trip the relay but in welding time not trip by earth foult

2699


Why line VTG = √3 phase VTG in star? How?

1148


what are the universal logic gates?

577


What are linear and non-linear systems?

619


How to design inductive load for 3 phase 440v and maximum 5 amps for star or delta? Can we use a 15kW, 1450rpm motor for 15kW, 960rpm apllication?If yes.how......n.if thesame motor used what`s it`s sideeefect.

2018


Explain what is anti-satellite weapon?

414


how to calculate the no load current in transformer?

1953