Answer / rakesh p i

Plc stands for programmable logic controller. Its a solid
state device which works on boolean algebra.\
Dcs is distributed control system which consists of
associated plc's and remote i/o devices

Answer / hitesh

PLC having its own/single controller but in DCS there are
more than one controller for each section. in case one
controller fails other section will run but its not
applicable in case of PLC

what are the standards used for earthing instruments in the field?

1 Answers  

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1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?

4 Answers  

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Punj lloyd is coming in our Jadavpur Universtiy campus for campus placement. Please send me some hints about the writtend exam. My email id is subratafriends@gmail.com

0 Answers   IGL, Punj Lloyd Ltd, Shapoorji Pallonji Group(SPCL),

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Anybody know how to create a ladder programme for power switch in TV remote without using counter... ie TV can be turn on and turn off using single push button switch... on pressing the switch first time TV turn on and hold the on state till i press the switch again, and after TV turn off.

2 Answers  

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what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?

0 Answers  

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what is the difference b/w magnetic flow meter&mass flow meter? which one is best?

1 Answers  

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Q- Why Phase tester is only used for checking AC not DC ?

1 Answers  

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How to calibrate H2s Dectector

0 Answers   KOC,

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why? Boiler furnesh pressure transmitter mount in boiler top and it's impulse line is in bottom of the boiler. Aneybody kindly tell me this reason.

1 Answers   Birla,

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What are SMART insuments?

5 Answers  

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Can someone give a detailed chart on the temperature ranges which can be measured by various temperature sensors.

3 Answers  

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Define all the process Variable and state their unit of measurement. ?

0 Answers  

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