Engineering Interview Questions

hiii.. i wanna ask u is it neccessary to take coaching for preparing for interwiews for placement. because we have toclear the aptitude test

1282

why battery room in substation is black coloured?

8137

why voltage ratings of xmission are in 11, 33,66kv and why not 11.5 ,16,19 or any other

HCL,

3103

what is the difference between RCCB and ELCB?

3359

What is difference between PLC and SCADA

52187

What will happen if i connect two 3-phase tranformers secondary supply on one bus bar that is R-Y-B-N?

1866

WHY IN THREE PHASE CABLE 440V CURRENT FLOWS IF IN ONE PHASE 230V CURRENT FLOWS ???

5172

How Can we calculate current carrieng capacity of Copper Bus-Bars and Alluminium Bus-bar

4669

16626

can i get Mahagenco sample question paper?

541

How to define the size of control valve?

4467

Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?

548

can a deareator be placed at any height with care that suction (NPSH) for feed pump is satisfied

Sail,

476

Are mechanical seals in pumps direction specified?

Sail,

3284

what is FACTS & where i can material regarding to facts.

2316

what is the difference between oil surge relay and buchholz relay.

3616

RRB JE GR-II OLD QESTION PAPER WITH ANSER

812

How much current in 100 kva Transformer HT & LT side

167

wat would be the probable interview questions and GD topics for IOCL exam?

6434

Which of the following statements is incorrect?(a) 1N = 1 kgm/s2(b) 1V = 1 J/C(c) 30mA = 0.03A(d) 1 J = 1N/m

401

Dear all i have applied for section engineer post in RRB Chennai can anyone please send previous question papers please do it if u have

494

what do you mean by plant earthing system.

448

What facility we get after CT secondary earthing and how?

708

Actually i am confused that how to calculate the bending moment for a semi-circular beam and curved slab.If any one have a good idea about the matter,please give the answer with a suitable example. Thank you......

547

what is actual drum level and compensated drum level?

668

1216

how to change measuring units from mmwc to cubm/h in rosemount air flow transmitter with hart communicator fluke 744

799

What should be the overcurrent, instantaneous overcurrent, short cicuit current settings (i.e. how many times of motor full load and what is the time duration) for a motor?

494

how can read number 1 to 100,without use anyloop.

411

pls give me some basic informations in construction of a structure?

518