Engineering Interview Questions
Questions Answers Views Company eMail

why we do occ & scc test in transformer ?how we can do it ?

2 10807

how squirrel cage & slip ring motor works? how they differ from each other

1 4742

why the earth pin in a 3-pin socket is longer and thickest?

5 7395

which is better 50 HZ supply or 60 HZ supply?

6 9845

Difference between KW & kVA

7 8896

why -48 volts dc used in telecommucation

1967

Dear Friends, I am going to attend BHEL supervisor trainee Writtern Exam in mechanical major. anybody Know the old questions of bhel Sup. trainee exam, please send it to me, my mail ID is sarvenkatg@gmail.com

1627

What will happen if primary of transformer is fed with Square wave instead of sinsoidal wave ?Will it operate or Not?

Areva,

3 15895

i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester

1678

what is difference between 3 wire and 4 wire RTD sensor?

HTA Instrumentation,

12 39188

Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.

Piramal Healthcare,

1642

my jindal interview is on 24th.. can anyone give me few tips regarding the same? lik how i shud prep

1510

what is the difference between electrical & electronics?

8 7736

Why indicate only 440V to 3-phase supply.

4 7748

DIFFERENCE BETWEEN QA & QC

L&T,

4 16188


Un-Answered Questions { Engineering }

1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?

1179


Tell us what is armscye?

1


Why do you need a keyway in the construction of a wall?

640


in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

1449


What is the difference between a multiplexer and encoder?

534






What instrument in a car measures its speed?

676


what are the main problems of solar electrical systems? to make quality control on, which parameters that need so?

1575


which are the five general EMI(electromagnetic interference) testings conducted on any system?

1535


Explain the difference between the points of inflexion and contraflexure?

635


please send me RRB electrical engineer previous year questions for Sr. Section Engineer

1467


I want to model a piezoelectric beam in ansys software.How can I model the electrical circuit and how can I read the general current and voltage produced by the PZ?

2092


what's the formula for calculate pcc for matt(45mm aggregate)?

2148


What is the difference between silicon controlled switch (scs) and gate turn-off switch (gto)?

546


Where is the expansion tank located?

1470


what are the different types of database servers

1457