What are the different methodes for calculating the short circuit Current?

2136

can i able to get bhel previous exam question paper?

2165

What is the magnetic field (coil DC ) of Turbo Expander?

2138

If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

2317

Hi friends, i m electrical engineer i want a cdr for migration purpose so anybody have information about this then send me on jayesh_ee88@yahoo.com.please try to me

1935

can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

2217

hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com

2165

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

1965

Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

3749

What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

2423

What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

2040

What products have you designed which have entered high volume production?

2145

How much minimum insulation required between 11kv/3.3kv transformer windings?

2508

what will happen if synchronous machine rotor fed from single phase ac supply 

1815

1- XC and the RC time constant are both measures of the reaction of C to a change in ____? 2-The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle. 3-When V and I are out of phase because of reactance, the product of V times I is called ______________ power 4-For _____________ inductors, the branch currents can be added algebraically. 5- The ______________ power in watts can be calculated as I^2R 6-Calculate XL with L = 30mH and f = 1kHz ( I have Xl=2piFL 2*3.141592653*1kHz*30mH =188 ohms Please check) 7-A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt. 8-A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged? 9-A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle. 10-The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L.

3445