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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.
how the speed of the gets motor regulated. does it draw the same current on the all speed level.
I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?
Differentiate between ideal and non ideal current sources?
300m long and 30kw inductive loade 3phase supply how many size cable required
how to calculate the power factor when instantaneous voltage and current has harmonics in it ?
What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?
how the inner and outer body is separated in aircrafts?
does buccholz in a transformer use batteries
What happen Grid EARTH plat got cut.
what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded
If increased the frequency up to 1000 then what changes shows in voltage?
Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?
plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in
how can we say that stator magnetic field rotates with synchronous speed?can we derive?
