As such there is no any standard of earth resistance value,
Its varies on different type of soil resistivity. Idley it
should be 0, but in different kinds of soil for electrical
equipment it should be better to below 10 Ohms and for
electronic equipment it should be better to below 5 ohms.
Please Help Members By Posting Answers For Below Questions
If we have to find the inductance of a dc shunt motor then by
giving dc supply or ac supply and what is the reason for it.
(this example is from "to determine the transfer function of a
dc shunt motor ")
write a c++ code that receives an integer number and display
the sum of the number and its revers integer?
Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?
What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar
phase voltage & line voltage
How can find thermal state value in relay for calculate
how to test the turn ratio of 3 phase transformer using
volt meter shoe the curcit diagram.
1.main parts of generator? what is used A-check,B-check,C-
2.what is FM200 system in data centers?
3.difference between pac,ahu?
How should i design a 1ph & 3 ph transformer. Kindly let
meknow all steps and formulaes related to design from
why ct's&pt'S out put called as burden,why compelsary short
ckt the secondary of ct's while removing the burden?
why the protection turbo generators is most complex?
why are use corona ring in high tension line switchgear?
kVA rating of ordinary transformer is increased when
connected as an auto transformer because
A transformation ratio increased B secondary
C energy is transferred both inductively and
secondary current increased
what are the effects when a salient pole alternator is run
at high speed like 3000 r.p.m?
What is the dc grounding system and what is diff between AC/DC grounding system?
this is a newcomer in your community of enthusiastic
i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR
pls guide me on the same how to crack it? PLS LET ME KNOW
IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS
OF PREVIOUS EXAMINATIONS?