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Engineering Interview Questions
Questions Answers Views Company eMail

Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?

 1282

what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

 1676

what is difference between E/P positioner and I/P positioner. Why E/P fixed in below actuator and why I/P fixed in other place

 1 4319

what are corona losses

Siemens,

3 5554

if we have 380 KVA DG. how to calculate Power Factor. With detailed formula

 1 5267

why ht11kv supply needs discharging during shut down time

1 3099

what are the advantage of UG cables over the over head lines

DVC,

2 4495

What is corona? and what is the purpose of corona belt in substation ? why they connect these end of the buses ?

 2 5733

What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?

ABC, ACB,

2019

why rating of generator is kva but motor is kw ?

 4 11438

explain how magnetic flowmeter works

 1 4838

how to identify small motor and generator?

 1 3417

explain level transmitter working

 1 7497

what safety use in electrical panel

 3 5494

What is class X ct? What rare its uses?

 2 5501

Un-Answered Questions { Engineering }

Explain weather satellite?

486

why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1375

WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM

1804

What is the melting point of e70 steel, 304,308,316 stainless steels? In addition, what is the hottest part of the flame in a fire?

518

what is elligibility criteria of hcl?

1852




hi, if anyone have previous year paper of NHPC or some questions, Please send me at gupta.pankaj20@gmail.com

2413

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?

1493

Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

1967

Explain and give me an example of a time when you had to explain some new procedures to your co-workers for quality service delivery, how did you go about it?

2394

how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets

1725

how to select correct size of power cable for inverter duty motor

926

Can we test the alignment of End shield and stator of turbogenerator without rotor insertion? Also how to fix maintain the alignment at site installation?

1794

Define bolt?

1

What will be the cause of high temperature in one cylinder of D/E?

1519

Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.

1472

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