Engineering Interview Questions

How to calculate sand,cement for 1:5ratio brick masonary

5241

what is the difference between rccb and elcb?

2006

Why is it that bus reactors are not accompanied by a neutral grounding reactor whereas a line shunt reactor is? PGCIL does so.

5835

What would be the quantity of cement:Sand:Aggregate (1:2:4) requirement for slab casting measuring 1mtr x 1mtr x 0.10 mtr (4 inches)?

653

Transformer rating=> 15/20 MVA.Why there are two raings? What should be the rating of the fuse at the secondary if the voltage level is 13.8KV/4.16KV?

Bhel,

3687

can we control operation of PLC from operator station?

2355

what is the reason for connecting hvdc monopolar line with negative conductors

369

On what principle the sonar/ radar works

3624

why to use 50hz only in tansmisson and as well as in distribution why not60hz?

1684

how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

504

what is the exact difference between zener breakdown voltage and avalanche voltage??

TCS,

3655

In a overhead system why the voltage between line &ground is taken for basic comparison ?and in case of underground cables the comparison take only by the voltage between cables?

L&T,

1844

how dc generator produce voltage initially?

1427

There is a toy train that can make 10 musical sounds. It makes 2 musical sounds after being defective. What is the probability that same musical sound would be produced 5 times consecutively? ( 1 of _____) ?

TCS,

2405

what will affect low density aggregates on concrete wt?

2016

Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

430

Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.

483

discus the worst and best case complexity of binary search

388

Hello i am a chemical engineer presently looking for a job i am applying many jobs in naukri and in all job portals but i am not getting any call or interview so kindly some one help me in this regard soundar

465

Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

1479

use ofr concrete as per grade ?

537

What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

291

what are all types of cross section in AC cables?

802

How can I make calculation for Install level transmitter (DP) for open tank and cloes tank?

1033

how find the cut length of tringular ring and any formula find out the quantity of circular brick work

3254

1. Design a counter which counts 0, 4, 8, 2, 6, and repeats using: 1.a using JK flip flops 1.b using T flip flops 1.c using D flip flops

279

13. How many TRX are supported when we use one M2HA card in BTS? 14. Name the different types of power supply card in BTS and the output power of each card

534

What is difference between code and standard and specification?

669

HOE TO YOU PLAN TO ACCHIEVE THE GOALS?

500

I want to know all basics of electrical engineering

321