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Why the ammonia and Nitric Acid level indicators is with millimeter ? and What is the conversion form millimeters that level indicator indicate to weight ?
EHC,
1845where are following valves are applicable to install. can any valve be installed any line. globe valve butterfly valve boll valve gate valve
1772What is the function of positioner in control valves? does the control valve operate without positioner?
3 5321Hi, am aniket, I got engineering degree in instrumentation and control, but as their were no job availabilities for engineer's post I started working as instrumentation technician I kuwait, so my question is is this technician's experience worth for getting the position of engineer?
1 2723Steve said that "An eddy-current probe works by passing an alternating current through a coil of wire and measuring the coil’s impedance" while we are using -24 Volt DC , So I am confused about DC and AC. Plz .
2 3539Post New Instrumentation Questions
what is maxdna ?. explain about the software details.
what is the difference between Cv and air consumption? why the customer needs Air consumption details?
How RAL(Rotary air lock)works in cement industry?
how is work pressure switch& level switch?what is the principle of this?
How to control flow variations in magnetic flow maters..... When i will provide proper earthing?
3. Differentiate between ultrasonic flowmeter and radar type flow meter.
What is the working principle of the magnetic meter?
What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.
Gas equation
How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?
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
how to measure oxygen which methods are using?
how many types of spped sensors n vibration sensors?their basic principle n connection?
what is the reason while warning lamp is on while the engine is cranking?
Why mmwc unit is used?
