| Other Instrumentation Interview Questions |
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| Question |
Asked @ |
Answers |
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| hello this is dhinakar subramanian. how to piping and
instrumenation drawings and also how to create the data
sheets... |
| 1 |
| why we use 4-20 mA for calibration of the instruments.why
we cant use 0-20 mA? |
| 4 |
| Why the tapping connections are taking above for gas
service and below for liquid service? |
ADCO | 1 |
| WHAT PRINCIPLE OF GAS ANALYSER( CO,CO2,N2) |
Jubilant-Organosys | 2 |
| how u calculate ai/di/ao/do capacity in ur dcs? |
| 1 |
| The document / drawing that is primarily used in depicting the
“Bill of Materials (BOM)” of piping system is the |
| 2 |
| 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 |
Siemens | 1 |
| Is Hart communicator calibration device or communicating
device for transmitter? |
Yokogawa | 4 |
| what is see back effect? |
| 9 |
| how is hazardous and non hazardous area classified? |
Samsung | 1 |
| In 2 wire transmitter 1 wire is used for power and other is
used for signal( 4-20)ma
In 4 wire transmitter 2 wires are used for power and 2 wires
are used for signal (4-20)ma .
but my question is "what is the criteria or parameters we
have to consider while selecting these transmitters for eg(
distance, safety zones etc. |
| 1 |
| what is the zero and span trim? |
| 2 |
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