can anybody tel me how a vfd or any field instrument communicates/interface with plc/scada/cs.1408
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 2200
Consider 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..
how to measure temperature from resistance of rtd?and how to measure temp from voltage of thermocouple?is there any formulas?3 8568
1.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.................1783
Pl send the model question paper of mahagenco account officer post2096
if in a level tx height is given, how u calculate the ranges of the tx?2 5932
what are the problem's will accure in dcs or plc hadware and what are the solution for it?2 4084
whey we conect ammeter in series and voltmeter in parallel in circuit1 7707
On 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...thanks1 4342
HI, 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 with1422
how magentic flow tx. vortex flow tx & ultrasonic flow tx works and its prinicle?its callibtration prosedure?1 3600
what is dry leg and what is wet leg?3 20742
what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...
Basically iam Instruemntation Engineer, but Iam interested in Instruments design engineering, so plz guide, is there any course, training or Softwres to become Instrument design engineer??.
Describe how to use megger to measure the earth resistance and insulation resistance
Explain types of valves?
in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?
Which type of diagphram use in costic line,DM water line,natural gas line,oil line?
Is it ok, to use non-contact type Radar type LT, on a tank that is half circular from the bottom side? If yes the, isn't the waves gonna bent in other directions?
Explain the key components of control loop?
Make Heater Process Logic.
What is sensitivity in vibration probes..?
please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?
what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?
How will you calibrate PID controller? explain with example.
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What is upsampling and downsampling?