What is the diametrical pitch of a pinion gear having 75 teeth and 3.208 outside diameter? (Use the formula P = N/D.)

A. 19.68
B. 23.38
C. 24.83
D. 23.21


Answer: B

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By describing the light in terms of ________, Thomas Edison made the electric light feel ________.

A. Function; rapidly acceptable B. Design decisions; novel C. Established institutions; familiar D. Gas lamps; impactful

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Technician A says balance shafts are used to reduce the vibrations produced when the pistons are at TDC and BDC. Technician B says balance shafts rotate at crankshaft speed. Who is correct?

A. Technician A B. Technician B C. Both A and B D. Neither A nor B

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To check a crankshaft journal for taper, the journal should be measured in at least how many locations?

A) Three B) One C) Six D) Four

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