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0
votes
5
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428
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What is an Electronic Trap Primer and where should it be used in plumbing systems?
asked
Feb 23, 2015
by
Devan Talebi
plumbing
0
votes
3
answers
93
views
How much pressure should be maintained in the air conditioning room?
asked
Mar 8, 2016
by
anonymous
hvac
0
votes
3
answers
442
views
What is the INDEX RUN in HVAC System?
asked
Sep 7, 2015
by
Arjun Chavan
hvac
+1
vote
3
answers
1,062
views
Why we connect the chilled water supply pipe to the FCU or AHU from bottom and the return pipe from top?
asked
May 6, 2015
by
Anees Sayyad
hvac
hydronic
0
votes
3
answers
189
views
What is water hardness?
asked
Apr 6, 2015
by
Matt Hall
plumbing
0
votes
3
answers
159
views
How to Weld copper?
asked
Feb 9, 2015
by
MOHAMED OURIDA
piping
0
votes
3
answers
4,121
views
What is diversity factor in HVAC systems?
asked
Aug 29, 2014
by
Mepanet
hvac
0
votes
2
answers
525
views
What are the most common valves and their functions in HVAC & Hydronic systems?
asked
Dec 30, 2015
by
Devan Talebi
hvac
hydronic
0
votes
2
answers
250
views
How to calculate the ESP (external static pressure) in chiller system?
asked
Dec 6, 2015
by
Shaikh Nihal Ahmad
hvac
0
votes
2
answers
756
views
What type of valves are used in chiller's piping system?
asked
Nov 28, 2015
by
shaikh sameer
hvac
hydronic
chillers
0
votes
2
answers
490
views
Why We Use Globe Valve in 3 Way Motorized Valve Connections?
asked
Nov 23, 2015
by
M.Safarpoor Khaledi
0
votes
2
answers
95
views
What type of pumps are used in fire protection system?
asked
Nov 20, 2015
by
Shaikh Nihal Ahmad
fire-protection
+1
vote
2
answers
532
views
How can determine the duct gauge in a ductwork system for the cooling/ heating systems?
asked
Sep 28, 2015
by
Arjun Chavan
hvac
0
votes
2
answers
97
views
How can draw a duct support in the Revit?
asked
Sep 28, 2015
by
Arjun Chavan
hvac
+2
votes
2
answers
2,066
views
Why U-trap or P-trap is needed for the condensate drain pipe connection to the FCU's drain pan?
asked
May 6, 2015
by
Anees Sayyad
hvac
0
votes
2
answers
589
views
How to estimate a required outside air (fresh air) for each space?
asked
Apr 20, 2015
by
Joe Mahini
hvac
0
votes
2
answers
119
views
How much heat is dissipated from a 200 KVA transformer?
asked
Feb 23, 2015
by
anonymous
hvac
+1
vote
2
answers
318
views
For 1000 CFM Extract what is makeup % CFM need to be added
asked
Feb 11, 2015
by
Mohammed Ameen khan
hvac
+1
vote
2
answers
947
views
What are different types of chilled beams and how are they different?
asked
Oct 2, 2014
by
Mepanet
hvac
hydronic
+1
vote
2
answers
670
views
What is a Variable air Volume and Temperature System (VVT)?
asked
Sep 10, 2014
by
Mepanet
hvac
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