Underground piping may be covered for 24 hours before being tested
True or false
False
The use of a left hang and right hand threaded coupling is not permitted on a gas piping system
True
Construction heaters shall be connected to a hose but can only be between what lengths
15-75
A girder, beam or joist may be cut for the installation of pipe
True
A defective pipe or tube may be repaired by a qualified gas fitter
False only the company
Piping or tubing may be supported by any larger pipe in the system
False