7- What is the Dissipation Factor and the difference
between it and Insulation Resistance Test?
8- What is the task (function) of DC and AC reactors in
power plant?
9- What is the task (function) of (open delta with
earthed) in some types in transformers?
10- What is the base of the selection of the vector group
in transformers?
11- What is the zig-zag transformer and its function by
drawing in large detail?
12- What is the polarity ?
13- Why we make short between phase(R) in high side and
phase (r) in low side in vector group test?
Where High Side ( R ,S and T ) and Low Side (
r ,s and t ).
14- What are the time on delay and time off delay?
15- What is the vector group?
15- What is the task (function) of different types of
vector group such as Dyn11 , Dd0 , YNd1,……..,?
5- What is the task (function) of the excitation and
isolation transformers in power plant?
6- What is the task (function) of LCI (A), LCI (B) and LCI
(COS) in power plant?
: LCI (A) and LCI(B) are load commutating inverter for
generator turbine starting.
, LCI (COS) is load commutating inverter change over
switch
Hi,
I am Jose. I am an Mehcanical Engineer. I am planning to
appear for BHEL ET exam.Can any one help me how to prepare
fo this test? Is there any question paper pattern for this
test?
69
is the used fire extinguisher fall under Hazardous waste
material?
51
does any one has gate solutions of 2007,08,09 metallurgical
engg papers?
99
Star Delta Diagram with full description
6
how to calculate
compresor capacity?
40
Is fan out of ECL logic family is high?give reason for yes
or no?
169
Isi standard of lux level required / to be maitained in
different working place general & in textaile industry.
406
please explane me clusterd and non clusterd
110
How should i design a 1ph & 3 ph transformer. Kindly let
meknow all steps and formulaes related to design from
scratch.
43
What will happen if head of a selected pump is not utilized
in a closed loop water circuit? Flow will increase or
decrease or remain same?
along with your userid / name. ThanQ
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