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Instrumentation Interview Questions
Questions Answers Views Company eMail

State 5 different method of level measurements.

SRACO,

3 5650

what is the essential difference between DIODE and SCR in term of application.

ADMA OPCO,

2 4788

In turbine, what does term CDP, NI, NH, HSSOC, means

ADMA OPCO,

2199

An equipment is certified for EEX, IA, IIC, T6, what do you under stand by this.

ADMA OPCO,

3 6461

I HAVE PRESSURE TRANSMITTER WITH TWO WIRES 24 VOLTS SUPPLY.IF TRANSMITTER WILL GIVE SIGNAL TO THE DCS WHAT HAPPEN TO THE 24 VOLTS POWER SUPPLY IT WILL DROP OR REMAIN TO 24 VOLTS POWER SUPPLY.

 3 6426

what is sequence table in DCS . make a logic in sequence table for tripping of ID fan in Boiler(in YOKOGAWA CS 3000 DCS).

Yokogawa,

1 6567

Dear all... I have 1 0-400 duplex type RTD, I connected the A side to the temperature indicator and B side to the PLC panel, but when I have observed then found that The PLC side temp has the variation. and it was distub to other RTD temp also. so what can I do.

 1 3701

Dear all... I have 1 0-400 duplex type RTD, I connected the A side to the temperature indicator and B side to the PLC panel, but when I have observed then found that The PLC side temp has the variation. and it was distub to other RTD temp also. so what can I do.pls help me

Worley Parsons,

1 4230

Can we used Condensate Pot on flow transmitter which is using on liquid having sluge and DP transmitter is in pit and below the process line,Can we used Condensate pot for accamulate the Sluge?

 1 4928

What properties or parameters to be taken into consideration for protection while selection of Dcs controller.

JPL,

1 3488

What is the difference between ROM & RAM .

Sabic, SPIC,

1 4590

Can we use a 10000 Lph Flow Transmitter in 100 LPH flow line to get 20mA O/P by adjusting SPAN ?

1 3985

in differential pressure transmitter,min&max pressure range for hp&lp

 1533

What is the difference between EPROM & EEPROM.

Sabic,

1 8331

What is scale factor of proximitor & unit of the viabration.

Sabic,

2 5110

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Un-Answered Questions { Instrumentation }

Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent

1609

what is the responsibility of an instrument commissioning supervisor

2640

why we are using digital signals for I/O & how to measure this signals is getting or not ?

1538

why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature

1378

I WANT SECURITY PAPER MILL, HOSHANGABAD TEST PAPER.KINDLY SEND TO MY MAIL ID

2295




hey any one got the papers of SAIL and HPCL plz do help me by posting them to my mail ID's naren07_87@yaho.co.in, surenarendra@gmail.com

1474

Explain the key components of control loop?

568

Please tell me details about Sox,Nox,SWAS analyser????

3282

ORP sensor working principle?

1527

How works weighfeeders in cement industry? what is the working principle?

1522

In Safe Guarding test what means by "Failed to Danger" ?

1657

how to calibrate steam control valve in steam turbine

2823

If P will increase then what will happen with PID?

5215

what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?

2482

what is instrument philosophy

1748

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