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1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is
How can we convert 11 kv to 440 volt without using transformer ?
A cotter joint is generally used to transmit
what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?
Why back emf used for a dc motor? Highlight its significance.
what happened when we supply a dc current in dc motor?? can it worked properly?
Can you explain about pole discrepancy scheme
what is rating boiler
what is the range of maximum DOL and SDS can be use for pump and fan application
WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.
What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.
how to calculation increase capacitor,increase power factor for three phase.
Sate maximum power transfer theorem?
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.
what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation
