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What is the difference between Isolator annd Circuit Breaker.
ABB, Lanco, NTPC, Power Grid, RInfra,
21 78578If I fill the form of engineering services and I left the exam de to navoidable reasons . Will it counts my one attempt
2 4900what is the formula for 3 phase motor starting cureent deatials 3phase 148A delta 415v, efficiancy 94% can we run the motor with 200A incoming supply
2 8411in a transmission line the aluminium cor is sarrounded and in between there is a another type of matrial what is that?
7 7844We have a bank capacitor rating of 60 KVAR for a overall load of 160 KVA and we have connected three loads of 50KVA each. We would like to auto matically correct PF using APFC. How do we design it?
2 7306I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com
2203what is a diffrence between MCCB, RCCB, MCB, & ELCB ? what is rated current e.g. on motor name plate indicated that is rated curent? what is full load current? If we run D.C. motor with mechanical coupling and we measure voltage on terminal it shows voltage or not ? same in AC also possible ?
5 15854Post New Electrical Engineering Questions
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
Name one of major transformer company in KSA ?
What are the operation carried out in thermal power station?
What are the advantages of a three-phase system over a single-phase system?
what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.
If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.
What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?
What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?
How shall i select the value of capacitor or inductor in a system?
What is critical disruptive voltage?
Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer
what is the importance of Partial Dischage test for Electrical Equipments
What conditions are required for transformer to operate at low frequencies ?
hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com
Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,
