Relief vents ______. generates a positive air pressure in front provide additional air to the drainage of the waste water system where the primary vent is too far generates a negative pressure behind from the fixture the waste water have an external pressure relief to can slow down due to air pressure maintain the pressure in the vents at a differences safe level can drop out the debris it is carrying if it overflow excess waste water into a moves too slowly in the drain line secondary chamber all of the answers provided have a 2-inch minimum diameter none of the answers provided The target velocity of waste water in a horizontal drain line is ______. A circuit vent ______. 1 to 2 feet per second serves more than one fixture 2 to 3 feet per second is installed before the last fixture 3 to 5 feet per second extends up to the open air 5 to 6 feet per second can connect to another vent that none of the answers provided extends to the outside all of the answers provided Ideally, a horizontal drain pipe shouldn’t be more than ______ full. Branch vents are ______. 1/4 vents extending horizontally that 1/3 connect multiple vents together 1/2 found only on branch drain lines 2/3 only on branched waste lines 7/8 found on Treed Systems none of the answers provided traps will siphon. “S” True False Proper venting ______. Venting a trap ______. reduces friction losses to keep the allows pathogens into an area material flowing through the drainage makes a room smell pipe allows waste water to flood above the the trap seal in place which rim of a fixture prevents the entry of sewer gases maintains the water seal keeps the trap seal in place which none of the answers provided prevents potential exposure to infectious diseases To main a water seal, the vent system all of the answers provided needs to protect the seal from ______ of none of the answers provided differential pressure. 1 inch Quiz 2 1.5 inches A common trap is the P-trap and is 2 inches named because it ______. 3 inches receives from urinals and “Pee” none of the answers provided closets is shaped like the letter P Moving waste water in a horizontal was originally manufactured by Peabody drainage pipe ______. Manufacturing and was abbreviated to P
Relief vents ______. provide additional air to the drainage system where the primary vent is too far from the fixture have an external pressure relief to maintain the pressure in the vents at a safe level overflow excess waste water into a secondary chamber have a 2-inch minimum diameter none of the answers provided A circuit vent ______. serves more than one fixture is installed before the last fixture extends up to the open air can connect to another vent that extends to the outside all of the answers provided Branch vents are ______. vents extending horizontally that connect multiple vents together found only on branch drain lines only on branched waste lines found on Treed Systems none of the answers provided “S” traps will siphon. True False Venting a trap ______. allows pathogens into an area makes a room smell allows waste water to flood above the rim of a fixture maintains the water seal none of the answers provided To main a water seal, the vent system needs to protect the seal from ______ of differential pressure. 1 inch 1.5 inches 2 inches 3 inches none of the answers provided Moving waste water in a horizontal drainage pipe ______. generates a positive air pressure in front of the waste water generates a negative pressure behind the waste water can slow down due to air pressure differences can drop out the debris it is carrying if it moves too slowly in the drain line all of the answers provided The target velocity of waste water in a horizontal drain line is ______. 1 to 2 feet per second 2 to 3 feet per second 3 to 5 feet per second 5 to 6 feet per second none of the answers provided Ideally, a horizontal drain pipe shouldn’t be more than ______ full. 1/4 1/3 1/2 2/3 7/8 Proper venting ______. reduces friction losses to keep the material flowing through the drainage pipe the trap seal in place which prevents the entry of sewer gases keeps the trap seal in place which prevents potential exposure to infectious diseases all of the answers provided none of the answers provided Quiz 2 A common trap is the P-trap and is named because it ______. receives “Pee” from urinals and closets is shaped like the letter P was originally manufactured by Peabody Manufacturing and was abbreviated to P
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