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What is the taper on NPT?
3/4" per foot.
What is the name of the thread used to overcome spiral leakage?
Dry seal
T or F : many quick disconnect couplets have the NPSF thread and can be used with NPTF and NPT fittings.
True.
What type of cleaning is used to remove rust and flaking inside the piping in a hydraulic or lube oil system?
Hydroblasting
Why is in place around a tank in case of a rupture?
Berms & Banks
How much space is required between the pipe wall and the upper spacer on double wall piping ?
1/8"
What is the size of the casing elbow if you installed a 2 inch long radius elbow on the primary piping?
3" SR
What type of fitting is used to maintain the integrity of a tank wall?
Bulkhead fitting.
What are the weldolets on clam shells used for ?
Either for the placements of sensors or for bypass lines
What is the definition of oil?
A slippery or viscous liquid or liquefiable substance that is not readily dissolved in water.
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