I have got one problem .I initially have got windows vista
in my computer but now I installed linux UBUNTU operating
system into my computer .For this i first format D: drive
and got installed finely there and restart , when it boots
there there were two options vista and ubuntu .But the
problem is that when i choose vista it opens but screen
seems to be dark only mouse pointer sees in the screen and
no more windows appeared . But when i choose ubuntu it
opens and asks for username and password .But i don't know
these things. But linux is freeopen software , why it asks
userename and password ?
Now i am unable to use my computer ,i installed lunux
without partioning the drive.
Plz give me the solution
The computer configuration of my computer is 80 GB harddisk,
1 GB RAM.3GHz speed.
I have installed capacitor bank at secondary transformer.
cos phi is increase. but on load (far from transormer), it
still poor. Can anybody explain it??
How do determine the Size of a Droop Current Transfomer for
Paralleling of Two Generators, Say I need a Droop Current
transformer for a 600 kW generator need to be parallel with
a 800 kW generator, etc.
sir& friends i want the collection of recent quetions asked
in interview of top most companies please send me on my
email san.jsr@hotmail.com
60
What is the difference between UPS & inverter ? which UPS
is better and whos got the edge ?
what is the difference between & inverter ? which UPS is
better and whos got the edge 12 V , 24 V , 36 V etc
what are the advantages of 12 V, 24 V , 36 V etc
and what are the disadvantages of 12 V, 24 V, 36 V etc
thanks
42
Do Phase angle measurement have any application in
freq/harmonics measurement? If so how?
what is the power factor used by the PHCN in nigeria?
2. what is the difference between an alternator and
generator.
3. Generation of poweris in KV but how is transmission is
in MW.
4.If the transmission of power is 20,000MW how can it be
increaesed to 80,000MW
34
i am electronics & comm engg & appling 4 the AAI jr
executive (electronics/ATC) written test. pls forward me
the syllabus & old question papers.I will be very much
thankful to you, snehalsanap@gmail.com
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