what is the difference between Cv and air consumption? why the customer needs Air consumption details?
1514How to consider the flow directions for control valve (Globe) Is the there any easy understanding in order to select the flow directions?
3 5574I have seen the Temperature element (T/C & RTD) installed in process line on 45 degree position, Why? What it mean? How many types of tapping position for temperature elements?
4 9995I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann
1867Post New Instrumentation Questions
any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com
How d.p. Transmitter can be applied to close tank?
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
Programmable Logic control.
please tel me the calibration of pneumatic controler.
why is an oxygen sensor used in a boiler stack
Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.
HI friends.I am Surya a BTech in Electronics and Instrumentation Engineering.I am going to appear Relince Industries Ltd all India writen test very soon. so plz help me by sendind the probable questions about my subject.My mail ID is surya.barik@gmail.com.
i have been asked by QAFCO to appear for interview for thy post of Instrument Designer(INTOOLS)..i m engineering graduate with 5 years exp. in design engineering.Will this job profile suit me??i need all ur help n suggestions for thy same?
which type of signal used in instrument?
What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?
need instrumentation job completed 1 year trainee ship in mnc pesticide company. now in search of job
How do you identify an orifice in the pipeline?
What is zone,loop/fire alarm system?
how to tune siemens sipart electro pneumatic positioner..plz tel me..
