Water Heaters
What are the 2 methods that water is heated by
Indirect and Direct
What does RPZ stand for
What is Reduced Pressure Zone
What does OSHA stand for
The Occupational Safety and Health Administration
What is the purpose of flux
to prevent oxidation to the pipe
What is the purpose of reaming
to remove the burr that occurs when you cut a pipe
Name 2 types of Water Heaters
Electric, Gas, Oiled fired
What are the 3 recognized causes of backflow
What is Gravity Backflow, Back-Pressure Backflow, Back Siphonage Backflow
What was OSHA established for
to ensure safe and healthful working conditions for workers by setting and enforcing standards and by providing training, outreach, education, and assistance.
Name 3 ways Copper pipe can be joined
Pro-press, Solder, Flare, Compression, Brazing
What tool is used to locate the center of a vertical run of pipe
Plumb bob
What is a T/P relief valve
temperature/pressure relief valve
How high should a pressure-type vacuum breaker be installed
12 inches/ A foot
What filter lenses does OSHA recommend for soldering
No. 2
What type of copper pipe should you use for Water distribution systems
Type M
What type of square has a movable head and can be used to lay out 45-degree and 90-degree angles is called a...
Combination Square
When was the first automatic storage type water heater developed
1880
What type of valve does an atmospheric-type vacuum breaker use
Float valve
What is the minimum amount of feet off the ground that someone working must use a fall protection device
10'
What type of Copper tubing should you use for heating
Type L
Zig Zag is another name for a...
folding wood rule
liquefied petroleum gas
What category should dangerous materials (D category) be colored
Yellow with black lettering
How many work-related injuries occur every year
Approx. 1,800,000
What 3 types of pipe should you use for Compressed Air systems
K,L,M
The waxed-based marker used to mark pipe is called...
Yellow Keel