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SOS MECHANIC EXAM WITH CORRECT ANSWERS
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SOS MECHANIC EXAM WITH CORRECTANSWERS
STEPMOM AND STEPSON EDGING SO HARD ON INSTALLING THE
MECHANICAL SEAL EXAM
ANSWER: Excessive leakage can be caused by seal face distortion.
The 1990 amendments prohibited the use of leaky stuffing boxes in the United
States. - ANSWER Clean Air Act
All mechanical seals have one that rotates and one that remains stationary. -
ANSWER Primary Faces
Mechanical seals are described by shaft packing and insert mounting, which
include O-rings, V-rings, wedges, and U-cups. - ANSWER Secondary seals
Mechanical seals are characterized by____- ANSWER Arrangement and design.
A double back-to-back seal is classified as a multiple sealing unit.
Single seals put outside the stuffing box are known as ____ seals. A single outside
mechanical
Back-to-back and face-to-face describe types of_____ seals - ANSWER Double.
A____ seal is a mechanical seal that consists of two seals: one inner seal designed
to handle full system pressure and one outer seal that serves as a backup if the inner
seal fails. Tandem is the answer.
Improperly placed components will cause_____ - ANSWER components to rub
during operation.
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