Hi all,
If anyone know Previous APGENCO exam queations, Please post here by commenting. I too know so many question. I also post here.
——————————————————————————–
APgenco Assistant Engineer Exam 2007
1. If the Supply voltage is increased by n times, the cross section of conducter will [increase/decrease] by ________ times ?
2. The Frequency is measured by _________ bridge ?
3. The Source internal resitanse Rs , When equal to Load resistance RL, the maximum transfered is of _____ % of input power?




APgenco Assitant Engineer Exam 2007-
1. If the Supply voltage is increased by n times, the cross section of conducter will [increase/decrease] by ________ times ?
solar cell is used like as a ………………….(photo voltaiac)
1. frequency of RC-phase shift oscillator usig JFET is:
2.zero-sequence nw of star(with solidneutral)-delta?
3.given all the losses of IM then u have to find out efficiency? also given i/p
sol: formula: (1-(losses/input))*100
4.in half adder sum is given by?
ans:A EX-OR B
5.in J-K FF race around condition occurs only when?
ans:J=1,K=1
6.for data trancemission which FF is used?
ans:D-FF
7.steady state stability can be det by?
ans:final value thearom
8.stability factor for self biased ckt is?
9.match the following:
PF curves
1.0.8pf lag p
2.0.8pf lead q
3.zero pf r
10.
1.rotor core laminated -universal motor
2.rotor is star connected-IM
actually above r answers i forgotten remanig 3,4
2007 questions for AE post
generator bus,loadbus,y bus ,zbus)
1) slack bus is called as
2) water hammer effect produce in:(penstock, surgetank
and some other questionslike this ,
which i dont remember
the sag form b/w 2 poles is? ans:caternory
active transduser is? ans:photo voltaic cell
Slack bus is reprasented as? ans:1.Zbus 2.ybus i dont no answer for this qus
For remote operation which relay is used?
Reactence relay is used for?
ans: earth faults only
r/r’=.7788
Current Transformer rating is?
Voltage variable resister is?
ans: FET
VELOCITY OF LIGHT IS?
ANS: 3 lacks m/sec
Dielectric strength of air at s.t.p?
ans: 21kv/cm
Tarapur power plant is based on?
Fault at generating station is?
ans:L-G fault
Transfer function of Tachometer is?
ans: Ks
op-amp is used as?
1. buffer 2. inverter
answer i dont know
The capacitance of a 3-core cable b/w any two conductors with sheath earthed is 3 micro farad.The capacitance per phase will be?
To draw equal area criterion how many machines are used?
ans: one machine at infinite bus.
The impedence value of a generator is .2 pu on a base value of 11kv,50 MVA. The value for a base value of 22KV ,150MVA?
A.E 2007 APGenco
some problems are given based on the following formulas
(1).surge impedence
(2).Deq=(Dab Dbc Dca)^1/3
(3).Z p.u =(Kv)^2/(MVA)
(4).Load Factor
(5).Inductance L =GMD/GMR
Zero sequence current is flowing in which ckt?
ans: a.L-L-G b.L-L 3.L-G
1.Time period =………..
ans:a. j/f b.jf c. LC d.R/L
One Question Came on SCR conduction order.
One question came from based on RESISTENCE-TEMPARATURE graph in TRANSDUSERS.
Problems based on the formula weather the given system K/((s+a)(s+b)) is
ans:a. overdamped b. undamped c.stable
2007 apgenco
write the formula for alpha in terms of beta?
The reactor used in tharapur power station is?
ans. BWR
qn on insulation resistance
ins. resistance is inversely prop.2 length of cable
qn on characteristic impedance
ans.characteristic impedance is independent on length
qn on capacitance of a cable
two qns on network syntesisi.e t/f is given asked2 find no. of inductors n capacitors
regulation of a t/f at lagging p.f is given asked 2 find regulation on leading p.f
regulation of a t/f at lagging p.f is given asked 2 find regulation at
leading p.f
hi plz send hpcl test papers
PLZ TELL ME NOTIFICATION DATES
sir tell me about aptransco(ae) notification
@ All,
Transco Notification may come at any moment. once, the notification announced, EXAM will be conducted just in 1 month gap.
so, one should start preparation.
all the very best to all aspirants.
hi friends this is deenraj ,plz send me any new notifications regarding electrical posts and any other govt.osts and also guide me how to prepare for them.
send any notification of electrical jobs
plz send hpcl eaxm previous papers to my id”kumaran236@gmail.com
@ deenraj n Kumar,
Stay tuned to http://electrical.org.in for those details.
all the best
please inform notification for any governement jobs also previous questions
@ Sindhura n all
Registered memebers at http://electrical.org.in will get job notifications delivered to their e-mail.
All the best!!!
please tell about aptransco syllabus
When do we get APCPDCL Exam results??
plz tell me about apgenco
very good site