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Engineering Interview Questions
Questions Answers Views Company eMail

in power station power measuring unit is KW but in transformer is KVA why?

 4 5709

what is mean by busbar and what is the difference between busbar,transmissionline,feeder,distribution line

 5101

I hv a question regarding power factor improvement just after transformer. I request you to reply me plzz. thank you sir. My friend has a small unit of fabrication. in his factory the main load is a welding machine, lathe machine, grinding machine. this load is not continuous type. now our electricity board has installed 16 KVA, 11000/433 V transformer for our factory. In the energy meter (trivector meter) at LV side of transformer, i hv seen power factor value of 0.15 only when only 3 KW load was flowing. Further electricity board has suggested to install 4 KVAR capacitor at LV side after energy meter. Now my question is that if we permanantly install and switch on 4 KVAR capacitor after energy meter, during some load on transformer and also without any load on transformer, wht will be the power factor shown in energy meter?i dont want to get any penalty by electricity board, so plz suggest me if i can permanantly install and switch on the 4 kvar capacitor or not at LV side of transformer just after energy meter? Thank you again and awaiting for ur positive reply soon.

 9 10088

which is osillator is most used in PCB design? why?

 3 5250

Diffrectiate between earthing and neutral

TATA,

6 8104

what is the size of A4 size paper?

Bhel,

7 8732

what is the length of a cigratte?

Marlboro,

4 6931

Why converter duty transformer neutrals are not earthed...i am still not sure if this question is also correct...Please email at ranjan120482@gmail.com

 1837

how to calculate the bus bar current rating

2 23398

How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

 1890

How to decide the rating of CBCT? We have 6.6Kv switchgear & having 50/1 cbct ,i want to know how this 50/1 A came? On what basis we decide CBCT reting?

Cross,

1 8076

What is difference between Step Up Transformer & Booster Transformer? can we used instead of any one?

CS,

2 16141

Difference Between Differential Relay and Restricted Earth Fault Relay of Power Transformers

KSEB,

1 10351

How to calculate sand , cement quantity for 23mm thk brick work(10x10)

 4730

what"s the cement, sand, aggregate(consumption) quantity for 10 cm thick roof slab (1:2:4)

 2407

Un-Answered Questions { Engineering }

How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1451

Mention any four accessories used in pre historic period.

5

what are radio collars?

1760

What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?

2058

What is need for setting limits?

656




how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

1633

How many are the types of instrument cables in terms of No. of pair.

1712

can u give me the information about the questions asked by the bally in campus

1446

What is a Phase shift meter? Where can I get one?

1662

In the ACB breaker capacity is 2000Amp but this each phase taken 1250 But total beldibg load is 600amp or 700amp watt is the problem

1512

c ka base kya hota hai? what is communication?

4723

What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

1940

wht is charging gateway protocol wht is it functio

1674

What is mathematical model of a control system?

652

How can you determine the proper pipe thickness for a slurry line?

643

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