× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
t
7
m
6
k
6
F
5
j
5
t
5
j
5
G
5
f
5
a
5
d
5
c
5
Home Q & A Board Other Fields Homework Help Trades and Apprenticeship
New Topic  
badkarma2007 badkarma2007
wrote...
Go to Answer
Posts: 529
Rep: 3 0
6 years ago
What is done when an HVACR system is commissioned?
 
  A) The system is checked to make sure it is operating as designed.
  B) The system is named.
  C) The system is designed.
  D) The system is started for the first time.


[Ques. 2] Water circulating pumps are rated by:
 
  A) Head pressure. B) Wet and dry capacity.
  C) Flow. D) Flow and head pressure.


[Ques. 3] What code restrictions can prevent using an open-loop geothermal system?
 
  A) Some states have bans on any type of geothermal system.
  B) Some states require all discharged water to stay on the owner's property.
  C) Geothermal systems typically are not very efficient.
  D) Patent and copyright laws often prohibit the use of open-loop systems.


[Ques. 4] What is the equivalent length of a 5-in connector with a 90-degree ell?
 
  A) 9 ft B) 11 ft C) 7 ft D) 5 ft


[Ques. 5] Using the CFM per 100 sq ft method, a 1,600 sq ft house leaking 120 CFM has a leakage rate of:
 
  A) 1,600/120 = 13 CFM per 100 sq ft. B) 1,600 + 120 = 1,720 CFM.
  C) 1,600 - 120 = 1,480 CFM. D) 120/16 = 7.5 CFM per 100 sq ft.
Read 70 times
2 Replies
Replies
Answer verified by a subject expert
QuinnQuinn
wrote...
#1
Posts: 344
Rep: 13 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

badkarma2007 Author
wrote...
#2
6 years ago
Such an awesome helper!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  945 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 287
  
 308
  
 88
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 432
Previous poll results: Do you believe in global warming?