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would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......
BARC,
2428The efficiency figures for energy efficient motors (in comparison with standard efficiency motor) can be generally higher by____%.
1 6756The power consumption, in case of centrifugal loads (like pump, fan, blower etc.), proportional to ____.
2 21661Application of DC motors is generally restricted to a few load speed applications because of _____.
4084The inexpensive way to improving energy efficiency of a motor which operates consistently at below 40% of rated capacity is by _____.
2 10715Post New Electrical Engineering Questions
if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
What do you mean by transformation ratio of instrument transformer?
1.what is mean by 8/20 micro sec waveshape
How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?
Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
HOW TO CALCULATE AMPs OF CURRENT TRANSFORMER IN HT Panel
for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance
why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?
What is the formula to find out two phase active & reactive power
What do you mean by a current transformer?
what is difference between speed mode and torque mode in motor?? explain in simple words please.
Why the arms of delta in a delta-wye power transmission system are kept constant??
