Design Engineer Question:
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When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

A. angular bevel gears
B. crown bevel gears
C. internal bevel gears
D. mitre gears


Option B

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The sleeve or muff coupling is designed as a

A. dun cylinder
B. thick cylinder
C. solid shaft
D. hollow shaft
Screws used for power transmission should have

A. Low efficiency
B. high efficiency
C. very fine threads
D. strong teeth