Tuesday, November 6, 2012
Instrumentation Questions for Freshers - 2
Labels: common interview instrumentation questions, dp type transmitters, epc-school, instrument questions, level questions, Rahul Kapoor
Thursday, November 1, 2012
Instrumentation Questions for Freshers
Labels: common interview instrumentation questions, epc-school, flow measurement, instrument questions, pressure
Sunday, July 15, 2012
Foundation Field-bus Refresher Questionaire
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Chance to Win An Ipad 2:
Answer all the Qustions in the quiz below and you can win an Ipad2. Best of Luck!!!
(Winner will be announced on 31 July, 2012)
Labels: contest, dd files, epc-school, foundation fieldbus, H1 cable, instrument questions, interview questions, ipad, LAS, Rahul Kapoor, spur
Monday, July 2, 2012
Instrumentation Common Questions -3
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Q: What are Analog Input/output & Digital Input/output?
4-20 mA signals from instrument (transmitters) are analog input to control system.
4-20 mA signals to instrument (I/p & electro pneumatic positioner) are analog output from control system.
Labels: common interview instrumentation questions, control valve, engineering, epc-school, instrument questions, instrumentation, interview questions, Rahul Kapoor, temperature
Instrumentation Common Questions -2
I for Instrumentation
Q: What is potential free contact? What is the significance and application of this contact?
Contacts having not potential. E.g. Relay contacts/ field switches contacts. They are used in logic circuits. A potential free contact is usually wired into an electrical circuit. However it must be ensured that the contact ratings are suitable for the service in which it is used.
Labels: common interview instrumentation questions, control, engineering, EPC School, instrument, instrument questions, instrumentation, Interview, interview questions, Questions, Rahul Kapoor, transmitters, valves
Instrumentation Common Questions -1
EPC School 2012 Series
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Q: Why do we use pipelines for transmitters in steam service and tubes in any other service?
A) Pipe as well as tubes can be used for steam line transmitters. However pipe walls being thicker provide more corrosion allowance. B) For steam services, with high temp and pressure needs IBR standard. Max. Working pressure is 153 kg/cm2 at 38 degC for 1/2” O.D tube as per design standard. So tube is not suitable.
Labels: common interview instrumentation questions, common questions, instrument, instrument questions, interview questions, Questions, Rahul Kapoor, reference questions for interview
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