Engineering Interview Questions
Questions Answers Views Company eMail

for preparation of design note of 11 / 220 kV , 3 phase, 63 MVA transformer how can calculate or consider the iron losses and copper losses

1 1371

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

IVRCL, Jamek, Prera Nirman Sewa, SPCL,

4 4933

what is the difference between rccb and elcb?

1 1843

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

2 5218

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)?

573

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,

1 3387

can we control operation of PLC from operator station?

3 2175

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

324

On what principle the sonar/ radar works

3 3337

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

2 1568

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

United Phosphorus,

465

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

TCS,

3 3422

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,

1 1747

how dc generator produce voltage initially?

Bisleri,

1 1316

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,

2 2332



Un-Answered Questions { Engineering }

As you achieve greater success with the company after some years, Will you like to be a share holder in our company?

1094


hi sir yhis is zahid ali i am preparing for the jspl at oct.4.please send me the recently updated sample paper.

629


what will be happen if earth point is being used for as a neutral point for raw power , and same will be used for ups earthing

447


WHAT IS THE TECHNICAL SPECIFICATION OF C CURVE & D CURVE LEGRAND MAKE MCB

789


Which type of communication used in nuclear submarrine for communication from capton to out side the marrine?

483


procedure of how to generate power in solar plant.

182


what is threaded joints ,where present usage ?

453


pls provide me a placement paper for HPCL exam for Elecronics & communication exam. this is a request pls do the needful as early as possible.

427


How will you connect a waveguide to a coax?

645


Explain the Proportionates of Ordinary concrete,Standard concrete,High Stength Concrete of Grades "M10,M15,M20" , "M25,M30,M35,M40,M45,M50,M55" , "M60,M65,M70,M75,M80" Respectively.

623


what is transient stability analysis means?

414


what is grade intersection?

453


How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

1674


what is a router how it woks? what is a compromised router in networks?how it works? what is a packet loss and packet dropping? what is a malicious packet?when it occurs?

415


What is purpose of reactor?.What is different between line and bus reactor?

364