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Topic :: Power





Power Interview Questions
Questions Answers Views Company eMail

what are the disadvantages of leading P.F(power factor)?

2 8125

why generator is design for lagging P.F(power factor)?

BSES,

3 7581

Can we use a Potential Transformer for Auxilliary Power supply( Spring charge Motor, Lighting etc)?

1 3685

what is the reactive power what is the use of it in system

L&T,

2169

Why voltage regulation of an alternator is negative for a leading power factor?

3 22376

1. what is the power factor of a purely inductive load? 2. Which type of transformer connection is preferred in case of power supply transformers? 3. In power transformer usually which winding is closer to the core? 4. what will happen to the generated emf if the no. of poles of an alternator is increased?

5 6104

1. what is the power factor of a purely inductive load? (i) Zero (ii) Lagging (iii)Leading (iv) Unity 2. which type of transformer connection is preferred in case of power supply transformer? (i) Star/Star (ii) Delta/Delta (iii) Star/Delta (iv) Zig Zag/Star

2 5378

what is the power factor of an inductive load ? (i) Zero (ii) Lagging (iii) Leading (iv) Unity

5 8554

Explain Power Control.

2034

Why we use cosine angle for calculating power factor not in sine angle ?

4 15995

If anybody knows the recruitment procedure of IOTL & POWER MECHANICAL. send me the placement papers if u hav... very urgent ...

Electrical Tech, TCS,

4417

Q-1 what are the structural and operational difference between a distribution and a power transformer? Q-2 what is skew in motors? Q-3 draw equivalent circuit of transformer Q-4 explain with phasors how pf is improved with loading in induction motors Q-5 DIFFERENT METHODS OF CABLE LAYING(interviewer asked if i heard new chemical based earthing system next) Q-6 pi model of medium length trans line Q-7 v/f control?why Q-8 vacuum circuit breaker operates in?

Vijai Electricals,

1 5307

What will happen if apply dc source for power transformer

4 6577

Why would you like to join Jindal Steel and Power? (Max 200 words)

Jindal, Jindal Steel and Power,

2 33310

Why Ferranti effect is occoured in leading power factor load in a overhead transmission line?

1 5248




Un-Answered Questions { Power }

Difference between PowerPlay transformer and power play reports?

2528


How would you compare the computational power of a cortical pyramidal cell with that of a desktop computer?

1948


Power grids in two adjacent states(A&B) are interconnected. Can power grid in state A can be represented by Thevenin Equivalent Circuit. If not explain Why?

2388


What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

2903


What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

3279


How to create a power function?

2026


Is it possible to do load testing in POWERMHS? If yes how do you do that?

3397


Hi friends Does anyone have screen shot of POWERMHS and please can anyone post anything which will be helpful to understand POWERMHS. thanks.

3073


what is the day to day work of SAP FICO Consultant. which are the documents,white papers he uses. who will assign him work and in what form, is it a flowchart,word document,power point presentation ?and also what is business blue print and how it is documented(word,flow chart),?? please answer my question

7295


SIR I M STUDENT OF POWER ENGG CAN I GIV PSU XAM 4 NTPC AND WHAT WOULD B THE PROCEDURE

2164


what is power prompt in cognos ep7series?what is the use of this?

3699


what are the advantages of power point presentation with the help of examples.

2232


how can we Upgrad the reports from version Impromptu 6.0 to 7.0 and Power Play from version 6.6 to 7.0 ?

2295


why should we choose VSTET(Visual Studio Team Edition for Testers) and not QTP?pleas give me the reasons for "WHY" we have web and client server app, supports power builder and on windows OS so this is the background of tech and envir things we have and now VSTET is good to use or not? if "NO" then tell me why

2280


I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.

2223