Answer / andrew

heat,cold eg cold water hot
water

why 4 to 20 ma? why cant some other range?

3 Answers  

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Make Heater Process Logic.

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Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem

0 Answers   Sail,

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we have LPG spherical Tank and we want to install DP Xmtr for level measurement.below are the physical measurements Total height of tank is 1850 mtr but 0% level is 1000mm above bottom and 100% level is 450 below upper side.What is the LRV and URV and please mention the formula .The SG of LPG is 0.53 and Wet Leg method will be used.

7 Answers  

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how can loop single 4-20 ma to two isolation amplifier? i mean i have two isolation amplifier with 4-20 ma input and 1-5 v output.can i done series connection ?

1 Answers  

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we are having yokogawa centum cs3000 dcs in our power plant. i need some of the operator guides NOT to appear in HIS0163 AND HIS 0162 but it shoul appear in HIS0164 HOW TO DO IT?

0 Answers   Yokogawa,

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draw a loop drawing of vibration beginning to end

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can i use capillary type dp transmitter converted to capillary type pressure transmitter. if i removed one side capillary tube its work correctly?

1 Answers  

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Q- What are the application in which PNP transistor is preferred over NPN ?

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2. What is ultrasonic flowmeter?

1 Answers  

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What is 3 element control system

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Can anybody explain about wellhead control system.

1 Answers  

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