COSC 325 Houston (plumbing) || with errorless answers.
SS correct answers Sanitary Sewer
ABS correct answers Black plastic material
VTR correct answers vent through roof
Primary Purpose of roof vent correct answers Let air into system
What division is plumbing correct answers 22
Invert Depth correct answers elevation of the bottom inside of the pipe
DW correct answers Domestic Water
CPVC (chlorinated polyvinyl chloride) correct answers hot and cold water supply, off white
color
FDC correct answers Fire Department Connection
Above ground pipe material correct answers Metal
1 CFH (Cubic Feet per Hour) correct answers 1000Btu/h
OSHA requirement for fall protection correct answers 6 feet
, OSHA requirement for trenching correct answers 5 feet
Wall thickness terms for copper correct answers Type L, K, M
DWV correct answers abbreviation for drainage, waste, and vent. Found on "p" sheets
What are the four groups of plumbing pipe and fitting material? correct answers Plastic, Copper,
Cast Iron, Steel
What is Expansion loop for? correct answers In plastic, provides an area for tubing to expand
What plastic pipe is common for DWV? correct answers Schedule 40 ABS
What is the max length of rigid plastic DWV pipe? correct answers 35'
What is ABS typically used for? correct answers Sanitary drainage, vent, aboveground and
underground storm water drainage.
What is PVC used for? correct answers Sanitary drainage, vent, aboveground and underground
storm drainage, water mains, and water service lines. COLD WATER ONLY
What is cpvc used for? correct answers Typically used for HW and CW distribution, Fire
sprinkler pipes, water distribution
What is PEX used for? correct answers Water service piping, CW and HW systems, used
commonly in residential
Hangers typically take up ___ of labor cost correct answers 20%
SS correct answers Sanitary Sewer
ABS correct answers Black plastic material
VTR correct answers vent through roof
Primary Purpose of roof vent correct answers Let air into system
What division is plumbing correct answers 22
Invert Depth correct answers elevation of the bottom inside of the pipe
DW correct answers Domestic Water
CPVC (chlorinated polyvinyl chloride) correct answers hot and cold water supply, off white
color
FDC correct answers Fire Department Connection
Above ground pipe material correct answers Metal
1 CFH (Cubic Feet per Hour) correct answers 1000Btu/h
OSHA requirement for fall protection correct answers 6 feet
, OSHA requirement for trenching correct answers 5 feet
Wall thickness terms for copper correct answers Type L, K, M
DWV correct answers abbreviation for drainage, waste, and vent. Found on "p" sheets
What are the four groups of plumbing pipe and fitting material? correct answers Plastic, Copper,
Cast Iron, Steel
What is Expansion loop for? correct answers In plastic, provides an area for tubing to expand
What plastic pipe is common for DWV? correct answers Schedule 40 ABS
What is the max length of rigid plastic DWV pipe? correct answers 35'
What is ABS typically used for? correct answers Sanitary drainage, vent, aboveground and
underground storm water drainage.
What is PVC used for? correct answers Sanitary drainage, vent, aboveground and underground
storm drainage, water mains, and water service lines. COLD WATER ONLY
What is cpvc used for? correct answers Typically used for HW and CW distribution, Fire
sprinkler pipes, water distribution
What is PEX used for? correct answers Water service piping, CW and HW systems, used
commonly in residential
Hangers typically take up ___ of labor cost correct answers 20%
