Pipe Materials and Connections Flashcards
ABS
Acrylonitrile-Butadiene-Styrene
PB
Polybutylene
PE
Polyethylene
What pipe is black in color, oval shaped, denoted by OD, and used as a water service connection from main to meter?
A. PVC
B. CPVC
C. PE
D. PB
D. PB
What pipe is black in color, circular shape, denoted by OD, but cannot be used for hot water system?
A. PVC
B. PE
C. PB
D. CPVC
B. PE
PVC
Polyvinyl Chloride
Blue PVC
Potable water piping
Gray, orange, or brown PVC
Drainpipes manufactured with toxic components
A ball-shaped end is held in a cuplike shell and allows movements in every direction (flexible)
A. Ball joint
B. Brazed joint
C. Float ball
D. Ballcock
A. Ball joint
Joining by a melted alloy higher than 449°C
A. Slip joint
B. Brazed joint
C. Soldered joint
D. Welded joint
B. Brazed joint
Jointing by a melted alloy between 149°c - 427°C
A. Slip joint
B. Brazed joint
C. Soldered joint
D. Welded joint
C. Soldered joint
Any joint or seam obtained by joining of metal parts in a plastic molten state
A. Slip joint
B. Brazed joint
C. Soldered joint
D. Welded joint
D. Welded joint
Plugging an opening with oakum, lead or other materials
A. Bell
B. Spigot
C. Oakum
D. Caulking
D. Caulking
Hemp or old hemp rope soaked in oil or tar to make it waterproof
A. Bell
B. Spigot
C. Oakum
D. Caulking
C. Oakum
Portion of a pipe which is sufficiently enlarged to receive the end of another pipe of the same diameter for the purpose of making a caulked or push-on joint
A. Bell / Hub
B. Spigot
C. Oakum
D. Caulking
A, Bell/Hub
CISP with plain ends connected by bolted stainless Steel bands and neoprene gasket
A. Standard pipe
B. Double hub
C. Hubless pipes
D. Single hub
C. Hubless pipes
An approved elastomeric gasket with an approved outer shield and a tightening mechanism
A. Bell / Hub
B. Spigot
C. Slip joint
D. Shielded coupling
D. Shielded coupling
An adjustable tubing connection consisting of a compression nut a friction ring, and a compression washer
A. Slip joint
B. Brazed joint
C. Soldered joint
D. Welded joint
A. Slip joint
What connection is used by hubless pipes?
A. Bell / Hub
B. Spigot
C. Slip joint
D. Shielded coupling
D. Shielded coupling
End of pipe which fits into the bell/hub
A. Bell / Hub
B. Spigot
C. Slip joint
D. Shielded coupling
B. Spigot
What seals caulked joints?
A. Bell / Hub
B. Spigot
C. Oakum
D. Lead
D. Lead
Can cast iron pipes be threaded?
A. Yes
B. No
C. Maybe
D. It depends
B. NO
Joint for bell & spigot cast iron pipes
A. Caulked joint
B. Brazed joint
C. Soldered joint
D. Welded joint
A. Caulked joint
CIP generally used for bldg installation
A. SV type
B. XV Type
C. PVC Type
D. UVPC type
A. SV Type
CIP extra duty pipe used for underground installation
A. SV type
B. XV Type
C. PVC Type
D. UVPC type
B. XV Type
Used for well-fitted hub & spigot connections
A. Standard pipe
B. Hubless pipe
C. Single Hub
D. Double Hub
A. Standard pipe
Recommended when the length of the pipe needed is more than 150 cm long wherein cutting is NOT necessary
A. Standard pipe
B. Hubless pipe
C. Single Hub
D. Double Hub
C. Single Hub
Preferred when a pipe needed is shorter than 150 cm long. when pipe is cut, both ends has hub to serve as joint connector
A. Standard pipe
B. Hubless pipe
C. Single Hub
D. Double Hub
D. Double Hub
How much is the depth of a molten pig lead?
A. 25.4mm
B. 3.2mm
C. 51 mm
D. 19 mm
A. 25.4 mm
How long is the maximum extension of the finished joint below the rim of the hub?
A. 25.4mm
B. 3.2mm
C. 51 mm
D. 19 mm
B. 3.2 mm
How long shall cast iron fittings be galvanized?
A. 25.4mm
B. 3.2mm
C. 51 mm
D. 19 mm
C. 51 mm
Used in pouring lead into hub until it is even with the top of the hub
A. Lead
B. Oakum
C. Ladle
D. Pipe
C. Ladle
What pipe is made from alloy of cast iron and silicon, chemical resistant, widely used in chemical laboratories, industries where acid wastes are being discharge?
A. Cast Iron Pipe
B. Acid Resistant Cast Iron Pipe
C. Asbestos Pipe
D. Lead Pipe
B. Acid Resistant Cast Iron Pipe
Pipe made of asbestos fibers and Portland cement. Superior for embedment in cement structure for having the same material properties
A. Cast Iron Pipe
B. Acid Resistant Cast Iron Pipe
C. Asbestos Pipe
D. Lead Pipe
C. Asbestos Pipe
Only allowed for repairs of existing asbestos pipe lines
A. Cement Mortar
B. Asbestos cement Sewer Pipe Joints
C. Oakum
D. Lead
A. Cement Mortar
Oldest plumbing material used by Egyptians, Greeks, and Romans. It is highly resistant to acid & suitable for underground installation but poisonous and injurious to human health
A. Galvanized Steel Pipe
B. Lead Pipe
C. Vitrified Clay Pipe
D. Bituminous Fiber Sewer Pipe
B. Lead Pipe
Cheapest among the sewer pipes consists of layers of oil tar pitch impregnated ground wood fiber. Famous during 1950s-1960s (post-war)
A. Galvanized Steel Pipe
B. Lead Pipe
C. Vitrified Clay Pipe
D. Bituminous Fiber Sewer Pipe
D. Bituminous Fiber Sewer Pipe
How long is a commercial cast iron pipe?
A. 1.4 m
B. 1.5 m
C. 1.6 m
D. 1.7 m
B. 1.5 m
Pipe made from clay, durable for underground installation, highly resistant to most acid wastes, brittle, and vulnerable to root infiltration
A. Galvanized Steel Pipe
B. Lead Pipe
C. Vitrified Clay Pipe
D. Bituminous Fiber Sewer Pipe
C. Vitrified Clay Pipe
the lower the pipe schedule, the ______
thinner
the higher the pipe schedule, the _____
thicker
NPS ≠ OD
NPS 1/2 to 12
If NPS = OD
NPS 14 and above
SDR
Standard Dimension Ratio
Refers to the ratio of pipe diameter to wall thickness
Standard Dimension Ratio (SDR)
the greater the SDR, the ______
thinner
the lower the SDR, the _____
thicker
Piping used for LPG
Polyethylene (PE)
Type of Polyethylene Pipe which is UV and acid resistant, mostly used for irrigation pipe
Low Density Polyethylene Pipe (LDPE)
Type of polyethylene pipe suitable for hot & cold water, can carry potable water, wastewater, slurries, chemicals, hazardous wastes
High Density Polyethylene (HDPE)
PPR
Polypropylene Random Co-polymer
Lead pipe for Iead safe pans
A. 19.56 kg/sqm and 1.6 mm thk
B. 19.56 kg/sqm and 1.2mm thk
C. 14.63 kg/sqm and 1.2 mm thk
D. 14.63 kg/sqm and 3.2mm thk
A. 19.56 kg/sqm and 1.6 mm thk
lead flashing or vent terminals
A. 19.56 kg/sqm and 1.6 mm thk
B. 19.56 kg/sqm and 1.2mm thk
C. 14.63 kg/sqm and 1.2 mm thk
D. 14.63 kg/sqm and 3.2mm thk
C. 14.63 kg/sqm and 1.2 mm thk
How thick are lead bends & lead traps?.
A. 1.6 mm thk
B. 1.2mm thk
C. 19 mm thk
D. 3.2mm thk
D. 3.2mm thk
Thickness of the exposed surface on each side of a lead pipe joint
A. 1.6 mm thk
B. 1.2mm thk
C. 19 mm thk
D. 3.2mm thk
C. 19mm thk
______ shall be lapped and assembly shall be fused to form a uniform weld at least as thick as the lead sheets being joined
A. Welded joint
B. soldered joint
C. Burned Lead Joint
D. Wiped joints
C. Burned Lead Joints
Joints in lead pipe or fittings, between lead pipe and brass or copper pipe
A. Welded joint
B. soldered joint
C. Burned Lead Joint
D. Wiped joints
D. Wiped joints
Made from mild steel, drawn through a die and welded. Easily corroded by alkaline and acid water. Deteriorates faster when used as hot water supply line
A. Galvanized Steel Pipe
B. Lead Pipe
C. Vitrified Clay Pipe
D. Bituminous Fiber Sewer Pipe
A. Galvanized Steel Pipe
commercial length of galvanized steel pipe
A. 5.00 m
B. 6.00m
C. 7.00m
D. 8.00 m
B. 6.00 m
Better in quality than steel pipe and more resistant to acid waste than steel pipe
A. Brass Pipe
B. Copper pipe
C. Galvanized Wrought Iron Pipe
D. Plastic or Synthetic Pipes
C. Galvanized Wrought Iron Pipe
Property refering to being resistant to compressive forces
Maleable
Resistant to tensile forces
Ductile
One of the most expensive types of pipe. Made of alloy or zinc and copper mixed at 15% and 85% proportion respectively
A. Brass Pipe
B. Galvanized Wrought Iron Pipe
C. Copper Pipe
D. Plastic or Synthetic Pipe
A. Brass Pipe