what is the difference between single and double compression cable gland

3 Answers   Petrofac,

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Briefly describe instrumentation job

1 Answers  

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Why thermo wells are used? What materials are used in thermo wells?

0 Answers  

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What is the absolute temperature

2 Answers  

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What does threshold mean? what does tolerance mean?

1 Answers   DEWA,

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I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

0 Answers   JSW,

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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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which type of rtd is good for any system,2wire,3wire or 4 wire

9 Answers  

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I HAVE PRESSURE TRANSMITTER WITH TWO WIRES 24 VOLTS SUPPLY.IF TRANSMITTER WILL GIVE SIGNAL TO THE DCS WHAT HAPPEN TO THE 24 VOLTS POWER SUPPLY IT WILL DROP OR REMAIN TO 24 VOLTS POWER SUPPLY.

3 Answers  

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why we use -ve voltage in vibration monitoring system.generally we use 4 to 20 mA as output of instrument then why we use voltage in vibration

2 Answers  

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Why integral control mode call Reset controller?

1 Answers  

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what is the use of conrol cable..?

1 Answers  

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