Test). Questions with Correct Verified
Answers 2026-2027. Graded A
3 hazards that a welder protects him/herself from by wearing a proper
welding helmets are? - ANSHot slag, spark and harmful rays
A 600 pound flange would have a face which is raised ______ inch? -
ANS1/4
A backing ring may not be advantages because the ring becomes part of
the system and could cause flow restrictions? T or F - ANSTrue
A butterfly valve is similar to a gate valve in that it cannot be used for
regulation. T or F - ANSFalse
A check valve must be properly installed in piping to allow the disk to be
closed by gravity. T or F - ANSTrue
A class 6000 steel threaded coupling is taken to be equivalent to steel pipe
classification_____? - ANSXXS
A composition disc globe valve can be interchanged from one type of
service to another by changing the disc. T or F - ANSTrue
1
,A flexible wedge gate valve is used in situations where a solid wedge might
jam due to temp variations? T or F - ANSTrue
A grooves pipe coupling has only one type of gasket and therefore is
limited in use? T or F - ANSFalse
A malleable iron coupling with 4 ribs is identified as ? - ANSRight/left hand
threads
A metallic ring gasket is usually made from a product which is? - ANSSofter
than the flange material
A metallic ring joint must only be separated by an axial pull? T or F -
ANSTrue
A popular type of clothing for welders that she'd sparks well and is fairly
inexpensive protective clothing to wear is? - ANSCotton denims
A screwed flange would be found on an 8inch , 900lb joint? T or F -
ANSFalse
A socket weld fitting has two weld locations. One inside and one outside? T
or F - ANSFalse
A van stone flange is another name for a welded to the pipe in 2 places ? -
ANSLap- joint
2
, A vertical design check valve cannot be used in the inverted or horizontal
position. T or F - ANSTrue
A weld test required the test plates be in a horizontal position and the weld
to be done flat; this is called the _______ position? - ANS1G
A-53 pipe comes in just grade B? T or F - ANSF
ABS and PVC are types of thermoset plastic pipe? T or F - ANSFalse
ABS Pipe, rated at 230 psi (1590 KPa) is what color? - ANSBlue Grey
Acetylene cylinders may be used in any position? T or F - ANSFalse
Acetylene is an unstable compound and should not be compressed
_________ psi when in free state ? - ANS15
All flanges with a serrated or grooved finish will have a spiral design? T or
F - ANSFalse
All steel pipe manufactured in North America under ASTM, API or CSS
standard will have identical spec marks. T or F - ANSFalse
All unions require a gasket to ensure a tight seal? T or F - ANSFalse
( ground joint rely on ground metal)
3