The coils having selfinductancs 10mh and15mh,effective inductance 40mh when connected in series aiding. what will be the equivalent inductance if we connect them in series opposing?
BSNL,
1 1607What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer
1224The magnitude of sum of two sinusoidal av voltage is equal to 230 volt.the magnitude of each individual voltage is also equal to 230 volt.what must be the phase difference between voltages?
1142Three phase power is measured with two wattmeeter for balance three phase load.the reading of one wattmeter is zero.we can conclude that the power factor of balance load is?
1 1545Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not
1177I have a 380 KVA DG set. How can i find out 1. My Fuel Consumption per hr ? 2. Electricity produced in 1 Hr. ? 3. If load varies then how does it affect fuel consumption & electricity produced ? Please HELP !!! Really need an answer.
2087Post New Electrical Engineering Questions
if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)
what is solkor relay and which condition it will act?
1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is
How many capacitors using in LT panel as per Govt rules?
which type of effect of turbine and generator reverse power protection ?
how to calculate the settings for shaft ct protn in hydro generators
WHAT IS THE DIFFERENE IN ACTION OF MCB,MCCB,RCCB
How to Preparation of online test
Which device is used for the source of emission of electrons in a crt?
Is neutral transformer can be called as control transformer?
What is the difference between isolators and electrical circuit breakers? What is bus-bar?
A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?
what is the most permissible winding temp when we conducting a generator load test?(condition no load)
What is meant by a stray loss of a induction motor??? What is the equation to find it
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.