why two fuses are used in battery charging room?one in positive line and the other in negative line?do any DC system require two fuses?
HPCL,
1 3537How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?
OCL,
1484. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?
1425What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?
1362While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply
2 7020What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?
1410Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?
1483Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?
1 3296Post New Electrical Engineering Questions
ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?
How would you relate your key competencies to this position?
The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?
what is the control circuit for operating the clean room air shower
what is thermal resistance of PVC Cable.
How to calculate mf when meter equipment and meter are connected
In vapour absorption refrigeration machine fluids used are
what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?
why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?
PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL
An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another
hi i have applied for lic of india south cenrtal zonal ,hyd. i didnt get hall ticket till now.let me know how can i get form internet
tell me about eletrical contractor
How equivalent impedance is calculated in thevenin theorem?
nwhat are the main Components of servo motor?
