Interview Questions Answers in Instrumentation

waqas

{ City } multan
< Country > pakistan
* Profession * instrument technician
User No # 99378

Total Questions Posted # 2
Total Answers Posted # 2

Total Answers Posted for My Questions # 4
Total Views for My Questions # 32378

Users Marked my Answers as Correct # 43
Users Marked my Answers as Wrong # 4

Questions / { waqas }

Questions Answers Category Views Company eMail

why we use -ve voltage in vibration monitoring system.generally we use 4 to 20 mA as output of instrument then why we use voltage in vibration

2 Instrumentation 9386

What is the Difference between PE,IE and ISE

2 Instrumentation 22992

Answers / { waqas }

Question { 8617 }

different between calibration range and instrument range ?

Answer

Calibration range at which the
instrument calibrated
instrument range:maximum range of
instrument at which we can calibrate
instrument for example if we have a
pressure tx instrument range 0~10bar
we can calibrate it at any position
between 0~10bar suppose we calibrate
it at 0~4bar its mean its calibration range
is
0~4bar and instrument range 0~10bar

Is This Answer Correct ?

26 Yes

1 No

Question { Nirma, 7643 }

I have a LT of 10000mmwc range. can i use this LT in 1000mmwc range of tank?? if yes than what happened???

Answer

Your tx's range is 0~10000mmwc if u
use it at 0~1000mmwc head press tank
than it will indicate 10% level when tank
full. So just calibrate it (configure it) at
0~1000mmwc before take inservice for
actual reading of tank at output

Is This Answer Correct ?

17 Yes

3 No