Dear Sir/Madam,
I am attending an interview for ETs in BHEL. I have cleared
my written test under Electronics (Instrumentation). This
is the first time I am appearing for an interview. Can any
one who has attended the interview earlier give me a clue
to face the interview.
With regards
Sindhu
Answers were Sorted based on User's Feedback
Answer / matrix controls c.subramaniam
Sindhu,
For everyone everything is first time first only,
No body has experienced anything before or while birth so
be bold and confident be through in your basics dont trell
wrong answer if you dont know say dont know, try to be
smart as this age people.all the best and god bless you,.
| Is This Answer Correct ? | 5 Yes | 3 No |
Answer / ramesh
http://instrumentationinterview.blogspot.com/
hi go through the above blog.maximum instrumentation question answer you can find there.
| Is This Answer Correct ? | 1 Yes | 0 No |
A temperature sensor (RTD) connected via a temperature transmitter is adjusted to give an output of 4ma at 60 deg and 20 ma at 600 deg. This output (4-20ma) from the transmitter is connected to an IGBT-inverter to control a high speed (-12,000 to +12,000 RPM) DC motor. And in the inverter it is programmed as, for 4ma the motor speed will be -3,000 RPM and for 20ma the motor speed will be +10,000 RPM. The question is : If the motor speed is +5,500 (RPM), what will be the temperature? (-sign indicates that the motion is in reverse direction).
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