PIPING
If someone is unconscious in a hazardous area, ____.
call for emergency assistance but do not enter the area.
Hot steam that comes in contact with condensate that has cooled below the temperature of the steam may cause _______.
Water hammer
Which is the only suitable materials for caustics?
Carbon steel
Which classification refers to dangerous materials?
Class D
Air that is compressed and used for driving air motors in power or emptying and drying piping is called __
utility air
Pipes containing poisonous gases would be color coded _________.
Yellow
all fuel oil piping should be sloped back to the tanks AT LEAST ______.
1/8" per foot
what is the method of shortening a pipe upon installation so it heats to its intended length?
cold springing
Saturated steam
Any pipe that is hotter than 110 degrees must be insulated between the working level and a height of ______.
7 feet