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Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer
3581We have AC-transformer 110/13.8kv,40MVA.If DC-Voltage=110kv is applied in its primary what will happen?
6 8689what is the opencircuit tes &short circuit test in transformers ,why you need this test, in poen your connecting which votmeter why?
1 4506in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients
2054if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?
2 4158WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?
L&T,
2164Post New Electrical Engineering Questions
what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights
State Maximum Power Transfer theorem.
for what purpose the star point is done in ct
What is the Nyquist criterion regarding control systems?
how we can calculate chiller required ampear?
what is servo motor and how it works?
What is meant by time harmonics and space harmonics?
in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?
define displacement & magnitude ?
please send me previose rrb junior engineer qustion papers
what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?
how we decide the require size is this for a known current at fuu load?
What is Anemometer used to measure?
Give accurate definitions for these electric terms: Inductor Inductance Inductive Induction Reactance Reactive Esam Baraka ٢١ ساعة
how can i get the formula to find out the cable size if i know the load of main fuse protection.
