Answer / bunny

HVAC stands for Heating,Ventillation and Air
Conditioning.HVAC system includes Chillers,Air Handling
Units(AHU),Fresh Air Handling Units(FAHU),Fan Coil Units
(FCU),Boilers,Variable Air Volume Units(VAV),Constant Air
Volume Units(CAV) etc and all these equipments work
together to maintain the temperature(hotness and coldness)
of a building.

What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

0 Answers  

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How will you change the action of a control valve?

1 Answers   CCIE,

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Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?

0 Answers  

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what should be minimum length and size of impulse line for steam flow orifice and feed water orifice? asked by sanjay parihar

1 Answers   Birla,

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how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc

0 Answers  

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EXPLAIN NETWORK COMMUNICATION ON DCS?

0 Answers  

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what is instrument termination

1 Answers  

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Why we use 250 ohm resistor in series with HART protocol communication?

13 Answers   Chemtrols, Instec, Sabic,

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Type of level transmitter commnly used in Procees area are the following. a.________________This type of level transmitter works as follows

0 Answers  

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Explain the difference between plc and cnc?

0 Answers  

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i am working in thermal power plant . if temperature transmitter is not showing reading in dcs then how can we rectify the problem?

8 Answers   TATA,

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how to callibrate a new i/p converter

7 Answers   TATA,

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