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 Categories >> Engineering >> Instrumentation
 
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Question Asked @ Answers Views     Select
what is the reset offset and control system in instrumentation abb   0  1851
What do you do as a Engineering person EPC for Sizing&Selecting Control Valve?    1  513
What FLOW METER generally used in Gas plant? gasco   4  5023
why we are using perforted cable tray for control cable and ladder tray for power cable    1  4023
while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status? gasco   0  551
draw the block diagram of a level transmitter ? hira-group   0  753
SIR MAY I KNOW IF RADAR TYPE LEVEL TRANSMITTER SHOWING IN THE FIELD 0 % LEVEL AND IN DCS SHOWING 100% THEN WHAT IS THE CAUSE I CLEAN THE CHAMBER & TAKEN ONLINE BUT ONLY ONCE ITS BECOME ZERO IN DCS BUT AGAIN 100% SHOWING IN DCS,THEN I REMOVE THE POWER SUPLLY AND CONNECT IT AGAIN .IS IT OK BUT STILL IN THE DCS ITS 100% AND ON THE DISPLAY ITS INITILAZIATION PLEASE HELP ME READRING THIS?    4  2767
Is an analogue only transmitter as accurate as a smart transmitter? sca   2  2082
Explain the difference between the types of input variables plc?    1  2341
Explain the usage of the PLC system?    2  2723
how works encoder in plc    0  397
A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?    4  2962
ABB DCS (AC 800 M)redundency take howmany milliseconds to switch from master controller to slave?should be less than DCS scanning time? scs   2  2800
Consider a control valve action,the inlet air pressure is only 6 ksc but physically how it can be operate against 100 ksc line fluid pressure? scs   2  2615
What is the Temperature Co-officient of Resistance of PT- 1000 and PT-2000 ? adani   2  4507
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Un-Answered Questions
 
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who's take first position in process in the timing of new installation flow transmitter and control vavle. give the answer with logical trick. 2136
why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell? 2906
Identify and use the ANSI/ISA-S5.1 consensus industrial standard process symbols. 1802
can any one explain in which term we are flow flow is it volumetric r is it mass? and y 369
What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used? 1470
Boolean algebra 515
How does work A temperature valve or fv control valve in process plz brief me 789
How can measure flow in oil line?which type of transmitter is generally used? 1714
what is interlock system and why we use of this? 317
what are the different types of communication cables used in automation and what are the difference in the cables 1517
what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System? 577
what is diffrance between FF & SMART, explain with difination 1543
what is the input of digital counter during the the calibration time? 691
How servomotor controls throttle valve of TURBINE? 311
1)How many tpes of vibration probe and how many tpyes of vibration. 2)how we can calibrate a vibration probe with tk3 3)what is RMS value in vibration measuring application and how we calculate it. 830
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