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what are the parameters plays a major role in Potential transformer Burden calculation??
ABB,
1 2324In case you don't have coal and salt for earthing, how can you achieve good temporary earthing?
Focus Energy, NHPC, ONGC,
1 221031 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?
TVS,
1 5077Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?
UPCL,
1 2262In our plant we are having 6.6 v motor wih MV drive running frm last two years.udenly at some speed motor getting vey vibrations what is the problem
2 45281)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?
TATA,
1 4735Post New Electrical Engineering Questions
What the main causes of transient interruptions on Over-Head Distribution Lines?
how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?
CBCT selection
please give some hindalco placement papers for written exam
Draw the circuit of clapp oscillator?
Why squirrel cage motor can only use with low starting loads ?
PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com
Pls mail me utility & Dg related question with answer
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send me any model test paper of clerical post of state bank of india.......
DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER
Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.
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.
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What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?
