Answer Posted / sennapparajan
First question itself wrong.MCB contains small relay
mechanism and also a coil.when current flow through coil
beyong the limit the coil will act the mechanish and trips.
| Is This Answer Correct ? | 12 Yes | 4 No |
Post New Answer View All Answers
difference between crane drive and line drive.
what is the constructional difference between a power transformer and potentian transformer?
How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?
please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com
how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.
what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)
how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.
block diagram of 2 ups system connected in parallel mode?
why do we carry out winding resistance test?
i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me
what are the factors to be considered while design the breaker either HT or LT??
What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?
Explain how you decide what size of electrical wire do you need?
how the phase convertor changes the no. of phases
although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?