How do you change an AC motor to DC? why there is only 50 Hz frequency in india & not other?4 4757
What is the formula to find out cross sectional area of cable for certain current rating?
number of I/O devices in siemense plc
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?1318
draw 3 phase rectifier diagram1143
WRITEDOWN FEW RELY CODES1280
how to calculate power factor of capacitor? what is transformer rating?2 3274
WHAT IS THE MEANING OF CYWY1 5173
why core losses and copper losses does not depend on power factor?5 17147
how wud i know that whether i have to use unitized package substation or transformer?1 2137
What happens to voltage when current through the inductor is constant?
Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph
Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?
The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is
How can we calculate the KVA rating of a Distribution transformer from its core details?
How out of step protection relay works?
If a surge divertor is required to be protected by 32 amp C Curve Circuit breaker does this limit the amount of protection from surges that you will acheive
Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz
why use phase displacement in transformer.and effect of phase displacement on transformer
What are the advantages and disadvantages of short-pitched winding?
I want to know how to calculate the size of electricity cable in building?
what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights
Can any body tell gulf interview question for experienced electrical engineer ?
what is the difference between oil surge relay and buchholz relay.
IN dc capacitive reactance is??