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Answer Posted / vinod sharma
Remote monitoring unit
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Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.
1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?
i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.
induction 3 phase motor terminal connection
Why the output of OP-AMP is always less than Vcc?
Why does inductive loads consume KVARs?
what is a types of short circuit and what is a types of distance protection tests
why the projects getting loss?
How to calculate energy stored in a capacitance
how we can calculate 2 phase welding transformer rating or total power?
What is limitedly stable system?
how point on wave controller works.
How would you calculate power loss in a resistor?
can i use the six sigma method which is used in management area, in state estimation of power systems?
Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............
