The _____ amendments of 1990 made leaky stuffing boxes unacceptable for use in the United States.
a. Oil and Gas Regulation
b. Clean Air Act
c. OSHA
d. Hazmat
[Ques. 2] Seal face distortion can cause _____.
a. misalignment
b. excessive leakage
c. pitting
d. blistering
[Ques. 3] Traditionally, seal shafts consisted of _____.
a. rope or braided style packing in a stuffing box
b. O-rings and gaskets around a shaft
c. a spring-loaded shaft seal
d. a stuffing box packed with grease
[Ques. 4]
[Ques. 5] ByT7HjM5D7YChA21ZAroTtLfRswGA
SPooaE3jWKVPBSLBYrKioqLS0lFql
73GskVqw56ejouHDhwqJFiwoLC2Uy
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The rebar-tying method shown in the figure is called a _____.
a. wrap-and-tie
b. standoff tie
c. bar hitch
d. nail-head tie"