Frayed cords on electrical equipment must be ____________________ or ____________________ immediately.
Fill in the blank(s) with the appropriate word(s).
repaired, replaced
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This cam follower is often used in situations where the cam profile has a steep rise or fall.
a. flat-faced follower b. knife-edged follower c. roller follower d. round-faced follower
Shade cloth is used to
What will be an ideal response?
A process that polishes a mirrored surface leaves an average of 2 small flaws per 5 
of surface. The number of flaws on an area of surface follows a Poisson distribution.
a. What is the probability that a surface with area 3 m ×5 m will contain more than 5 flaws? b. What is the probability that a surface with area 2 m × 3 m will contain no flaws? c. What is the probability that 50 surfaces, each with dimensions 3 m × 6 m, will contain more than 350 flaws in total?
To join a circular shape to a straight edge, _____ tabs are used.
A. seam tabs B. notched tabs C. regular tabs D. lap tabs