Hand-operated hot tap machines are normally used in areas that are _____.
WHAT IS
highly explosive
Compared to conventional stops, cross line stops are used when there is NOT enough _____.
WHAT IS
clearance
To clean the pipe before installing a mechanical joint fitting, use _____.
WHAT IS
nonflammable solvent
Mechanical joint fittings have specific temperature limitations due to the _____.
WHAT IS
material of the gasket
Hole saws on a hot tap have _____.
WHAT IS
pilot drills
When is a line stop used?
WHAT IS
after the hot tap is complete
How many major parts make up a bolt-weld fitting?
WHAT IS
Three
The piece of the pipe that gets removed during a hot tap, which MUST be saved for inspection by a safety engineer, is called the _____.
WHAT IS
coupon
The amount of space needed to install a hot tap machine on a pipe is called the _____.
WHAT IS
head clearance
Before a hot tap can be made, which of the following MUST be installed on the existing pipeline?
WHAT IS
A fitting