Engineering Interview Questions
Questions Answers Views Company eMail

what is the dedicated earthing

Reddy Labs,

1 3635

what should be the resistance valve of healthy earth pit

Reddy Labs,

1 4215

how many bags of cement,sand and Aggregate to p.c.c. of 1:2:4 ratio.

Isaac Designs,

4 7203

give the sample format of boq plumbing materials

2226

what is the responsibility of C license holder in industry?

8539

why capacitor do not switch ON the DG power? (I had checked, capacitor ON in DG power that time current rating was reduced.)

1 2840

What is circuit testing?

1549

why is neccessary Tap changing of power transformer with in a certain time

1 2554

132/66kv sub-station procation ?

1716

Why we use circular(Stepped) cross section in transformer core?

1755

Why we use mostly circular coil in transformer? not square or rectangular type of coil.

4 13554

WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

2693

what is slip?

3 5079

what is necessity of using isolation transformer?

NTPC,

4 5650

1.What is isolators and bus bars?give answer in details

2 3165


Un-Answered Questions { Engineering }

As we know induction squirrel cage motor torque Directly praprortinal to applied voltage in star connection & delta also. If I connect 55KW Motor to DOL starter in load condition does motor withstand the load & what will be the current withdrawn ? motor will not fail ?

1399


Advantages of using generator circuit breaker (GCB) scheme in a power station ?

4735


with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....

1495


What are the different methods of costing? Explain.

5


Explain the advantages of gear drive?

605






Which percentage of carpet area use in plot area of office building.

1390


how much lighting lux need for a common walking area at night time

1790


what are the application or secification (temp/presure)for which IBR pipes should be used?

1724


define displacement & magnitude ?

1391


what is gas turbine intercooling ?

1609


How do you classify lathes?

615


why we use kg/cm2 instead of kg/m2 as a unit of pressure. As we know kg is a MKS unit and cm is a CGS unit. So why we use combination of both(kg/cm2)while describing the pressure.

9540


Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

2121


What are the disadvantages of using gear pumps?

564


what should be the PCC ratio to construct a plinth of (40x40x4)ft...??also its estimated cost??

2636