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Instrumentation Interview Questions
Questions Answers Views Company eMail

what is the formulae to find the thermocouple output to temperature

5 5131

what is the difference between SMART and tipical transmeter ?

Sirte Oil Company,

3 4335

How can we cheak the ENCODER ?

1 3385

What is the use of +/- 20ma in analog measurement,and which instrument gives +/-20ma output

1 2181

In s7-200 we use HMI TD-200C , what that C stands for........ plz reply

2 2877

can i use capillary type dp transmitter converted to capillary type pressure transmitter. if i removed one side capillary tube its work correctly?

1 3603

What is the use of keyphasor in turbine.

Hindustan Zinc, R&D,

7 29472

i have a dp tx range is 5000mmwc. in which calibration i use in a open tank.1.5*3.5*2.5 mtr.for level msmnt. what is the calculation.

Bajaj Hindusthan,

2 4550

capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?

Gasco,

1 3390

hye SAM acn u send your e mail id, so that i can solve my query through e mail?

1339

how to calculate temp.prapotional to mv in thermocoulpe.

Electronics, KNPC,

2 4470

Can we measure pressure using differential pressure transmitter? If yes then how?

Reliance,

5 6524

why are set -10vdc in bently neveda vibration system.

4 4796

What is the PLC configuration in Cement industry?

IMCO, Maha Cement,

2826

Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?

998


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Un-Answered Questions { Instrumentation }

What you mean by multi stage control vavles?

889


WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

1014


flow transmitter formula?

1905


Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz

1068


tell me the field & lab calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter, temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue),

1281






we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.

833


Which type of diaphragm use in costic line, dm water line, natural gas line, oil line?

168


Hi i m B.E. In elect. & comm. I m workin in bio mass plant from 6 mnths as inst. Engg. but now i m in dept. Of operation as shift engg...which is best operation or inst. 4 me? M confusd..plz help and reply me..

2513


is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?

1326


how do calibrate the valves.. with clear manual

1070


Conversions

1191


how u calibrate pneumatic n motorized c/v?

1036


Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability

992


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

1269


what is interface level measurement.who can calibrate interface level measurement transmitter online

1542