what is static excitation and dynamic excitation of synchronous generator,scr excitation is a brush or brushless excitation?
6 28865sir, plz tell me how much kvar capacitor required for 1000 amp or 500 Kw load ? what is the formula ?
CSPL,
14 32736During he starting up of the motor, the upstream's MCCB (350A) always trips due to the UVT relay activated. Can Star-delta starter use for a 20kW Motor (For a powder mixer machine) cause voltage-dip in the supply line voltage? If so, what are the recommended solution to eliminate/reduce the transient voltage dip in the line voltage?
4 5476Hod do u calculate cable size for underground laying and the factors effecting/influencing it??
4 13749i need NIC written test paper or give me any idea about written exam.Plz send me at smileever8@gmail.com
NIC,
1682In an LT pole, the line voltage is 415V. How is it converted to 230V into the house via the service cable?
10 15550sir please provide with the technical papers of mechanical stream at earliest for hpcl exam..or refer any link to get the same??????
HPCL,
1472Please send me Sample papers National Informatics Centre (NIC) Programmer. I am giving this paper first time..so if any one have previous question papers send to manoj200.yadav@gmail.com. thnx in advance
NIC,
1432
Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.
In C language the condition(4%2==0) and in scanf statement the declaration as %d for integer.Now in the first condition it performs the modulo operator but why it is not so in scanf statement?
I need some information on EOT CRANES AVAILABILITY calculation and criteria.
What do you understand by external characteristics of a d.c. Generator?
what is lrs tank water resistance.
What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?
Why injector pressure is used in heavy vehicles?
What are the properties of roc for z-transform?
how i can calculate the size for fire cable
Is there the dry coefficient of cement is constant?
features of hbc fuses
why the profile of shell of natural draught cooling tower is hyperabolic.
What is the reason PT speed not incresed in gas turbine?
Which is stronger, tungsten or titanium?
what is the use of the puls transformer in UPS & how it works???????????