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

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Shade cloth is used to

What will be an ideal response?

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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?

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To join a circular shape to a straight edge, _____ tabs are used.

A. seam tabs B. notched tabs C. regular tabs D. lap tabs

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