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Instrumentation Interview Questions
Questions Answers Views Company eMail

how to convert cubic metre per hour to newton cubic metre per hour

2056

can we replace a pressure transmitter of range 0 to 25 Kg/cm2 by a Pressure transmitter of range 0 to 10 Kg/cm2 ?.. Will it affect 4 to 20 mA output signal which we will feed to the PLC.

IOCL,

9 13993

What is the right procedure for adjusting the gap voltage of bently nevada vibration sensor?

2 15655

how to calibrate a capillary type level transmitter for a closed tank in field? also what is the procedure for commissioning a capillary level transmitter for a closed tank?

2 27456

Why the tapping connections are taking above for gas service and below for liquid service?

4 8679

how to calibrate bubbler type level transmitter of rosemount make and how to set air flow according to the range.. give one calibration procedure with one example

1 11872

Is Hart communicator calibration device or communicating device for transmitter?

Yokogawa,

4 9651

what is type of protocol used in instrument field to marshalling cabinet cabel. what is the differenance between bus cabel and instrument cabel?

Samsung,

1 4537

Generally in which location ( JB or IO card or DCS) the thermocouple compensation is done.Also where they measure the atmosphere temp ( for compensation) in JB OR DCS panel? How they compensating that atmosphere temp? is any circuit for that ( like in rtd wheatstone bridge)?

3 11141

what is the thermocuple compensation circuit

3 7485

To find closed tank level by DP transmitter , how to findout its range.and insomeplace they using range like - 1500 to +1500 mmwc why not 0 to 3000 mmwc. how they spilit they range for minus and plus.and why?

Kuwait Oil Company,

1 10287

how to calculate interface capelary level transmetar lower S.G.0.54 and uper S.G. 0.26 and h=490 mm

3 6710

how to calculate the total flow in square root

PTI, Qatar Kentz,

2483

how do u calibrate the vacuum transmitter if it shows more reading

2103

what are the installation requirement is common to all flow meter when volumetric flow rate is being measured

1 3796


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

What is wet leg condition and why is it used?

2104


Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .

1749


Reason for capillary type dp level transmitter fluctuation

2029


what is interface level and how it is calibrate?

2481


Explain bernoulli’s theorem.

1113


which type of signal used in instrument?

9985


Difference between dcs and plc including date processing and architecture.

1205


What is loop1 and loop2 in MTS LT?

3904


What is mean by analytical instrumentation?

1886


How is automatic reference junction compensation carried out in temperature recorders?

1153


HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

2226


how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???

2468


What is difference between differential pressure & delta pressure?

1160


Explain the key components of control loop?

1104


what is the difference between Cv and air consumption? why the customer needs Air consumption details?

2045