Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?



Im working in a shopping center, it is also hotel and office building, two towers exactly and someon..

Answer / prateek pathak

DDC stands for Direct Digital Controller. It can be called a PLC based system and it is recommended for HVAC systems. DDC keeps a centralized approach and all digital and analog controllers are placed under it.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Instrumentation Interview Questions

How can we check Zero of DP type Level Transmitter onside?

7 Answers   Birla,


What is zero elevation and zero suppression?

0 Answers   CCIE,


how can i calibrate I/P converter

4 Answers  


NAME ANY TWO ELASTIC PRESURE SENSOR?

2 Answers   DVC,


Where we cant instal mass flow meter.

1 Answers  


what is easiest way to read STL language in PLC?

0 Answers   LB Industries,


how to calibrate corollaries (Mass flow meter)?

0 Answers   Honeywell,


how to commission furnace ( water heater)

0 Answers   Petrofac,


can any one tell leakage class in control valve depend on which parameter and there is any specific table or chart for selection of valve leakage class

2 Answers  


how to define range of dp level xmeter in open tank

1 Answers  


in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.

0 Answers  


why we use by pas on a positioner? When can a by pass be not used on a positioner ?

1 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5086)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4453)
  • Electrical Engineering Interview Questions Electrical Engineering (16638)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)