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 Categories >> Engineering >> Instrumentation
 
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Question Asked @ Answers Views     Select
What is the difference between precision and repeatability of any instrument. Why it is measured always in percentage    1  388
why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature    0  121
Why MUX JB's are using only Temperature Element in Fundation field bus?    0  109
How comparison of objects is done in PHP5?    1  212
admitance level sensor meaning?    1  333
why we are using boosters at glass furnace is there any other thing?    0  99
why we are using pnp npn for sensors is there any other type?    0  98
in plc source and sink meaning?    1  383
why we are using -24 vdc in plc?    1  390
What is the formula to convert mv to temperature in k type thermocouple?pls simply elaborate? I got one ans.it is Temp=mv×25°+atmospheric temp,but here what is 25°,i confusef ,so pls????    2  423
Why we are measuring 4-20ma? Why we are not taking 0-20ma? Plz answer this    1  562
If The RTD(PT100) Show .776 Kohm Resistance the Temperature of process fluid how much?    3  496
How much Resistance Show by RTD(PT100) when it is installed in process(Consider Process Fluid temp 29 Deg C)?    4  394
what will be the pressure in tank which has the total level of 2 meters and is filled 1.2 meters ?    4  684
what is the pressure in the tank when its level of liquid is 1.5 meters when its total capacity is 2 meters    2  354
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Un-Answered Questions
 
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what is intrinscily safe system and where we use? 948
tell me the field & lab calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter, temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue), 660
what are the different types of communication cables used in automation and what are the difference in the cables 1517
Can Any body tell me how to check Modbus Settings in ER300N L&T trivector meter? 716
what is the procedure of O2 sensor(ABB) calibration? 440
What are the different types of thermistors used in industries? How to the operation of typical thermistor? 175
why we are using pnp npn for sensors is there any other type? 98
Can I calibrate the Electromagnetic Flow Meter on line and How. 302
this site is owned by an nonsense 684
any body please send me the old question papers of ongc test. 532
please send me the inteview questions in IOCL 616
Draw block diagram BOILER COMBUSTION loop & Explain 2991
Whether the DI, DOs shields can be connected with Analog Input Shield Earthpit? 377
what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it. 714
Emergency Shutdown Systems/ Plant Shutdown System. 470
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