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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 3704

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.

 2901

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

 1312

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 5212

Before erect the instrument what should you do?

L&T,

3 4144

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 

 1290

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

C&W,

1337

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.

 1895

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

 1258

For Wet Mix Mecadam design what is Optimum moisture content

 1614

W mm mix rasio

 1 2397

may i know the detailed description of cutting length

STR Builders,

1637

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

STR Builders,

8 11477

 why Fahrenheit unit of moistur analyzer transmitter

Infosys, Samsung,

1787

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

 1454

Un-Answered Questions { Engineering }

In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

1485

How to convert a binary number into bcd number directly and vice-versa, without converting it into any other number system?

560

why on delay timer used for fully automatic star delta starter?

1209

sample sbi questions paper

1417

What is reactive power and where it is used.

1193




can anyone provide apgenco previous question papers and materials to this id balarajyarajala@gmail.com

1938

When we use 3 terminal resistor?

625

you are on site,the plant trips,you are approached by operations,what do you do?

1755

A channel has a bit rate of 4kbps and a propagation delay of 20msec. For what range of frame sizes does stop-and-wait give an efficiency of at least 50%

3138

What are the characteristics of an ideal op-amp.

636

when the Transmission and Distribution network where is the "feeder" lines are located? and why should be used in T&D network.....

1258

Fabrication Defects

1984

What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?

3114

Define coil span?

634

components of control circuit belongs to control valve

1237

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