hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar

1955

How to Decide(calculate) Bush bar size for copper and aluminiam ?

2083

How can we calculate the motor frame sizes?

3372

when ID fan will immediately stop through VFD what exactly cause and problem the ID fan

1405

dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

2317

what is the difference between c power and U power acb breaker

6336

What is stacking factor? What is its approximate value?

1346

what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

2052

Draw a block diagramof Three UPS systems connected in Parallel mode?

2103

temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

1877

how we calculate the withstansing current capacity of wires&cables?

1976

where lt & ht capacitor used

2174

a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn

1500

i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

2072

Why the arms of delta in a delta-wye power transmission system are kept constant??

1828