Instrumentation Interview Questions
Questions Answers Views Company eMail

what is function of DCS , and how is it work , explain with difination

Bapco Bahrain Petroleum Company,

1 2553

what is function of PLC, and how is it work , explain with difination

Bapco Bahrain Petroleum Company,

1 2273

what is function of SCADA , and how is it work, explain with difination

Bapco Bahrain Petroleum Company,

1827

what is function of vibration, and how is it work, explain with difination

Bapco Bahrain Petroleum Company,

1 2469

what is function of switch, and how is it work, explain with difination

Bapco Bahrain Petroleum Company,

1791

what is function of sensor, and how is it work , explain with difination

Bapco Bahrain Petroleum Company,

1880

what is diffrance between FF & SMART, explain with difination

Bapco Bahrain Petroleum Company,

2686

what is preventive maintenance , explain with difination

Bapco Bahrain Petroleum Company,

1 3938

what is corrective maintenance , explain with difination

Bapco Bahrain Petroleum Company,

1 4767

Dead weight tester & comparator for calibration , which is more accurate , what is the application.

Bapco Bahrain Petroleum Company,

1 2808

what is Analog input/output & Digital input/output,

Bapco Bahrain Petroleum Company,

2 5491

what is hot loop check and cold loop check.

Bapco Bahrain Petroleum Company,

3 9425

what is commissioning & pre commissioning , explain with difination

Bapco Bahrain Petroleum Company, Shell,

2 4902

where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

3053

What is the difference between working pressure and calibration pressure of a control valve

2572


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

What is the Working principle of Dozing valve?

1769


how to calibrate load cell

2308


please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

1679


TECHNICAL/ARTITUDE

1713


Speedtronic system .

1527






What is instrumentation measurement?

618


Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?

1418


Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.

1491


How hart protocol can be connected with control valves?

593


i want formula for flow control.am doing project in flow control using orifice . i know value of the flow level(Q) . upstream(p1) pressure, orifice diameter(Do) , pipe diameter(Di) and oil viscosity(Vi) how can i calculate downstream pressure

1441


Explain working principle of lvdt?

623


In most instances, Inertia processes are quite uncommon. Give an example of a combined Resistance and Capacitance situation.Describe an application, which according to your understanding of the subject matter, comprises of both Resistance and Capacitance effects.

1511


I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .

1550


Why even multiple power supplu r used in instrumentation system?

4150


1.what is the effect of vapour presuure in orifice plate flow measurement 2.which is more effective 2 pressure sensors or one single differential pressure sensor in orifice plate measurement 3.how to design a v/i converter and i/v converter 4.how many type of thermocouple are there 5.how many leads are there in thermocouple measurement 6.how pressure sensors are connected in level measurement in differential pressure method 7.what is the output of capacitive pressure sensor (ac or dc),how its o/p is signal charactarized 8.what is the physical meaning of discharge coeeficient,why it is calculated,orifice plate what is its value,why it is less than 1,Q at upstream is equal to or not equal to Q at downstream of orifice plate why?what is vena contracta in orifice plate 9.why rotameter is called variable area flowmeter,it can measure flow even if area is not varying,why it is made tapered 10.design a 10 bit counter ,which counter you will prefer 11.how to remove self heating error in RTD 12.which is more sensitive pt100 or pt50 13.why thermocouple are connected in parallel 14.what is lead contact error in RTD,how to avoid 15.what is P,PI,PID,PD controller,why there is no ID controller 16.what is override,split range,sequential,ratio,feedforward,cascade controller 17.why we moved from SR to JK and then JK to master slave JK flipflop,give correct reason 18.how to measure level of a closed container which contains vapour and liquid,remember no vapour gas should be leaked,so ultrasonic and capacitive is not an option,design another method 19.how to design horse race counter including sensors and signal conditioning element 20.what is bevelling

1949