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1)unmovable objects have frequency or not?if that object have frequency,how do we measure and transmit? 2)how do u measure the continuity without multimeter? 3)we put 24volt dc supply in railway track how many distance it is traveled without voltage drop?
1 3162Consider a level troll. i am getting a correct value in 4mA and 20mA. the value in the middle(30 to 60%)is disturbed and i am not getting the appropriate value. what is the solution to normalize the level and to get the correct value..
KNPC,
2 6394how to measure temperature from resistance of rtd?and how to measure temp from voltage of thermocouple?is there any formulas?
3 106641.what is beta in control valves? 2.what is the condition followed by light in LASERs? 3.1kg/cm2=?psi 4.Integral action reduces what? 5.about vena contracta 6.a simple RC circuit 7.thermistor material's temp coefficient of resistance 8.if wave passes through the thicker area of a chord to a thinner area what changes will occur to wavelength? 9.if 4-20 mA represents 0-10 kg/cm2 what will be the current when pressure is 5 kg/cm2.................
2442On LPG sphere tank we used LIT for level indication.High side port is connected to the bottom of the tank while low side port connected to the top. I would like to know how to fill the glycerin on its low side with two condensing pot installed,one from top and the other one for its drain line.Please I need your expertise...thanks
1 5949HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with
2144how magentic flow tx. vortex flow tx & ultrasonic flow tx works and its prinicle?its callibtration prosedure?
1 4771Post New Instrumentation Questions
who's take first position in process in the timing of new installation flow transmitter and control vavle. give the answer with logical trick.
what does it mean an active front end in vfd plz explain it briefly
What is rang ability?
what are the selections available in configuring a burnout protection of a controller? thanks
all types of liquid analyzer principle with drawing?
How would you choose differential range?
Why plc require in analog input 4-20amp & 0-10 volt?
How do you identify an orifice in the pipeline?
Explain the use of hair spring in the pressure gauge.
what is the input to be given in digital flow meter during the the calibration time?
What is Span Error
can we create an interrupt in plc through scada?
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
Explain operation of Haskel pump.
What is force balance principle? State some of its’ advantages.
