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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 7082

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

5675

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 12581

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

3 6403

Diffrectiate between earthing and neutral

TATA,

6 9845

what is the size of A4 size paper?

Bhel,

7 11028

what is the length of a cigratte?

Marlboro,

4 8371

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

2341

how to calculate the bus bar current rating

2 24582

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

2335

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 8771

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

CS,

2 17584

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

KSEB,

1 11463

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

5192

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

2855


Un-Answered Questions { Engineering }

For 1 bag cement how i will calculate sand and metal aggregate;Here the mix proportion is 1:2.49:2.38

1895


Define phase lag and phase lead?

1142


Why air is not used to run the turbine?

1968


HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

3622


What applicable rate of wct in bihar

1842


How DC earth leakage currents can be reduced ?

1927


What is called limb of a transformer?

1042


what is stper motor

2420


Can you explain the role of a production engineer in a manufacturing environment and the key responsibilities they typically handle?

1


how to change measuring units from mmwc to cubm/h in rosemount air flow transmitter with hart communicator fluke 744

2397


hai, kindly send anyone for output workers format details for construction project in foundation to finishing.

1522


Explain the application of using buck boost converter.

1084


Explain why diesel engine is known as high torque and petrol engine as high speed engine?

1191


What is the strength of 1:6:12 mix?

3071


Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

2449