Instrumentation Interview Questions
Questions Answers Views Company eMail

The process variables that need to monitored and controlled are ________, ________, _________ and

1 2749

A length of steel pipe is used to carry sea water to a desalination plant. An adequate corrosion allowance must be specified and indicated in the piping specification, which affects the _________________________ of the pipe

1765

Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.

1520

The performance of a pump is monitored by measuring the ________ and _________ pressures

1 3197

The pressure class rating (such as 150 lb, 300 lb, etc.) of a line appears in the form of ________________ in the Line Number (or Line Designation) on a P&ID

1 3867

The document / drawing that is primarily used in depicting the “Bill of Materials (BOM)” of piping system is the

2 3902

A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer

1815

CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?

GSC,

1436

what is the deference bitween DCS and PLC SCADA HMI System for Power Process Industry.

UltraTech,

1 7582

Can anyone help me with the Question bank(objective type) for complete Instrumentation engineering,either a soft copy or a Hard copy(Book),or the name of the author ,or publisher.

Reliance,

1 8240

A pressure transmitter with a range of 0-100 bar.The accuracy of the instrument is 1% of upper range value? The pressure indicating transmitter is showing the system pressure is 50 bar. b. When you include the error, what is the minimum possible pressure in our fuel gas system? i. 49.5 bar ii. 49 bar iii. 1 bar iv. 0.5 bar We want to change the filter cartridge. We must depressure the fuel gas system. c. After we depressure the system in preparation for maintenance, the transmitter displays a pressure of +0.1 bar. At this time, what is the possible range of pressures in our fuel system? i. +0.099 to +0.101 bar ii. 0 to +0.2 bar iii. -0.1 to +0.3 bar iv. -0.9 to +1.1 bar

3 5796

control valve in manual/auto mode huntting checked spring tention also it is ok.positioner also good condition & incoming inst air line also constant pr.kindly give us correct answer?

Madhu Power,

5 7343

Somebody tell me in what way i need to prepare for csio pgrpe(adv instrum eng)interview?what all the quest can i expect?

2082

What is an analog input - output , digital input - output . Any example ???? How they r known its ai-ao or di - do

Torrent Pharma,

4 33373

What is an analog input-output

TN, Torrent Pharma,

10 58011


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Un-Answered Questions { Instrumentation }

Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?

1539


What is PDS and PDMS ?

1680


A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

845


can anyone tel the syllabus or previous year question paper for BHAVINI(EIE)2014.

1922


How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?

5399






ORP sensor working principle?

1504


1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC

2048


Explain about the leakage class of the control valves

1573


what about your moleg in pogrees with company

1777


What are the materials available to prepare individually for competetive exams in Instrumentation field? Plz reply...

1604


how does we calibrate a square root flow transmitter ,give an example and explain it step by step like range calculation , calibration hook up series connection , zero check , and how to apply pressure , and if not geting proportional output then what should we do ?

5203


Full form of KKS when use DCS.

2581


How can we test a bently nevda 3500/42M accelerometer monitor card by simulating it with test equipment?. what king od of signal (milli volts or volts or or resistance ) we should feed in the terminals of the card?

1983


steps for installing orifice plate?

1340


What are the key features of a Distributed Control System? describing the various layers (sensor through to business system interfaces) as well as the hardware, software and security aspects of the DCS.

1778