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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

2006

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 13678

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

2 15525

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 27308

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

4 8532

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 11775

Is Hart communicator calibration device or communicating device for transmitter?

Yokogawa,

4 9452

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 4459

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 11025

what is the thermocuple compensation circuit

3 7352

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 10183

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

3 6586

how to calculate the total flow in square root

PTI, Qatar Kentz,

2405

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

2056

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

1 3705


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

how is work pressure switch& level switch?what is the principle of this?

2656


how to relay switch sense the fault?

2609


i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

2100


how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

2311


Describe the function of Accumulator into the Pump

1930


what is the vital subject for scoring bhel exam&what is the question pattern

2411


How to Calibrate Vortex Flow transmitter in field

1271


how to control pid

1919


Why the ammonia and Nitric Acid level indicators is with millimeter ? and What is the conversion form millimeters that level indicator indicate to weight ?

1845


There are many type of control cable like pair,core,tried, What are defination each one

2154


Isometric drawings are generated during _________________ phase of a project

2083


where proximity sensor installed on tank in loading arm application

1962


The Design Calculation of Level Transmitter For Different Structure open & Closed Vessel, Eg. Diff. Level Tx., Capacitance For Continous Operation

2858


What is the main difference between Cavitation and Flashing?

14348


if my flow is 20000 m3/h than which range of DPT i have to use????

1835