[D2L] 102IA&B Flashcards
Who is responsible for the approval of the installation of gas fired appliances?
The authority having jurisdiction
The responsibilities of a gasfitter include the venting of gas appliances
True
Who is qualified to run a gas line underground from a house to a garage?
A&B Gasfitter
Natural Rubber is the only approved gasket material for gas appliances
False, because the oil dissolves
PE piping is only to be used underground
True
What is the proper number for the CSA/CSA-Natural Gas and Propane Installation code?
B149.1
What pressure is propane after the 2nd stage regulator delivered?
11” wc
Who installs services and adjusts the service regulator which is usually set at 7-14” wc on a residential natural gas installation?
The utility company
What underground piping needs a tracer wire?
PE plastic
All underground piping or tubing must have sufficient cover to prevent damage to the gas line. What is the minimum depth for a trench?
12”
A defective section of gas piping or tubing may be repaired by a qualified gas fitter
False
What location can a swing joint not be installed?
Concealed location
What is the minimum inches underground gas piping running under a commercial drive be?
24”
What is the minimum psi rating piping used in gas installations be rated for?
125 psi
Close nipples shall only be used in applications where there is insufficient space to allow the installation of a standard nipple
False, You can’t use close nipples