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Engineering Interview Questions
Questions Answers Views Company eMail

Why we use Fuse in transformer in secondary side.Why we dont use fuse in primary side?

Care,

1 3713

My vendor filled liquid oxygen in our 11000 liter capacity tank. He filled from 1400 MMWC up to 3200 MMWC. I followed the provided conversion table and found that we had been supplied 1800 MMWC liquid which is going to yield 2815 cubic meter. On the other hand, the vendor claims that he supplied as follows:- 5236 cub mtr(3200 MMWC)-2124 cub mtr(1400MMWC) = 3112 cub mtr. I fear that he wants to charge 297 cubic meters extra. He claims that my method was wrong and his was right. He says that this disparity is because of the conical shape of the base of the flask. I will be thankful if somebody can explain me the truth.

 2906

how can i change the rotation of the AC single phase induction motor and show me by diagram

 1319

Guy's need your support,I want to measure closed tank level which is under vacuum -630mmHg using DP Transmitter, tank fluid density 1.38, Tank height is 7ft

icl,

4 5241

Before erect the instrument what should you do?

L&T,

3 4179

in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

 1302

how  do you choose the cable size as per amps rating & the voltage drop for the same.

C&W,

1341

what should be RCC material i.e iron rod(mm)x cement x stone x sand for laying of slab L 42'x B 22'x tk 0.375ft = 1nos & column of H 17'x15"x8" 2nos.

 1902

Explain about safety integrated level protection? . How it was differ from other protections ?

 1266

For Wet Mix Mecadam design what is Optimum moisture content

 1618

W mm mix rasio

 1 2419

may i know the detailed description of cutting length

STR Builders,

1643

how to calculate the number of bricks for 10'x10' wall?

STR Builders,

8 11527

 why Fahrenheit unit of moistur analyzer transmitter

Infosys, Samsung,

1796

Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

 1462

Un-Answered Questions { Engineering }

which remote subscriber provide voice communication?

1962

what is the use of power transformer in GSS.

1980

why there is a collision in switch

1412

What is the problem of internal failure in ship engine telegraph system norcontrol?

1756

How to select transmission line type (i.e. 11kv or 33kv) for new established industries

1606




How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

1205

draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it

2203

1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

4225

What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

1821

How to calculate Volume of Wet cement concrete for a specific grade?

1778

How to determine spacing of bars in slabs or beams

1981

I'm looking for a softcopy manual set for a Credence ASL- 3000. Anyone know where I can get it?

1641

What can you contribute to the progress of our Company as an employee if you are selected?

4886

What will be in Mahagenco Trade Test Exam? I want to know the same.

3217

how is corona effect can be detected??

1562

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