Introduction to Piping Components

Green pipe is in Class _____ . D S V F

S

Fuel oil or gasoline piping should slope back to the tanks at a rate of _____ per foot. 2 inches 1/4 of an inch 1 inch 1/8 of an inch

1/8 of an inch

Steam used in household heating is usually at less than _____ psi. 2 15 50 125

15

Utility air systems provide pressure between _____ psig. 0 and 50 50 and 125 125 and 175 175 and 225

50 and 125

In a plant setting, one can expect compressed air systems to be in this range. 0 and 501 50 to 125 125 to 175 175 to 225

50 to 125

Most caustic pipe systems are rated for over #150 class. True False

False

Utility water is ok to drink as long as it's from a clean cup. * 1/1 True False

False

Which of the following is not an accepted response to thermal expansion? Cold springing Insulation Flexibility in layout Expansion loops

Insulation

Acid piping systems are more vulnerable to freezing at lower concentrations. True False

True

Piping systems usually expand as system temperature increases. True False

True

Saturated steam has a pressure of 50-150 psi. True False

True

Ridged _____ is a good material for extreme cold insulation. foam rubber cork fiber cork foam plastic

foam plastic

A dangerous condition known as water hammer is caused by _____. improper valve tuning hot steam contacting cooler condensate super heated steam expanding 100 times it's temperature lower feed water pressures

hot steam contacting cooler condensate

The choice of piping material is critical for chemical systems because _____ . the temperatures are very high many materials being transported will attack the piping system the materials are so expensive the flow rates are extremely high

many materials being transported will attack the piping system

Insulation material for piping where the temperature could be as high as 1,200 F or as low as -150 F would be _____ . fiberglass foam rubber mineral wool rock cork

mineral wool

Water that is safe to drink is called _____ water. utility demineralized potable cooling

potable

A bright blue colored pipe code would signify that the pipe is carrying _____. Glacier Freeze Gatorade motor oil protective materials water

protective materials

Steam with a pressure greater than 200 psi is called _____ . saturated condensate superheated water

superheated

D-class piping systems are sometimes this color. blue green yellow pink

yellow

Dangerous material piping is identified by the color _____ . red yellow green bright blue

yellow