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- 1. Multiple Choice
Which of the following is not a method of transferring power from a shaft to a gear?
Shaft with a Keyway
Spline Shaft
Hexagonal Shaft
E-Clip Shaft
- 2. Multiple Choice
What style shaft does the VEX Design system use?
Keyed
Round
Square
Hexagonal
- 3. Multiple Choice
Spur gears transfer motion between two _________ shafts.
Perpendicular
Parallel
Collinear
Intersecting
- 4. Multiple Choice
Bevel gears are a _______ shape.
Conical
Spherical
Cylindrical
Hexagonal
- 5. Multiple Choice
Crown gears are a type of _______ gear.
Bevel
Spur
Helical
Worm
- 6. Multiple Choice
Worm gears transfer power between _______ shafts.
Parallel
Perpendicular
Collinear
Intersecting
- 7. Multiple Choice
Which of the following gears is not part of a planetary gear set?
Planet
Sun
Ring
Helical
- 8. Multiple Choice
What is the name of the gear that mates with a pinion gear?
Planetary
Spur
Rack
Helical
- 9. Multiple Choice
What is the diametral pitch of a VEX spur gear?
16
20
24
36
- 10. Multiple Choice
If a 12 tooth input spur gear is spinning at 100 RPM, what is the output speed of the 60 tooth gear it is meshed with?
20 RPM
40 RPM
250 RPM
500 RPM
- 11. Multiple Choice
If there are three spur gears meshed together in a row, what is the middle gear called?
Input
Output
Idler
Driven
- 12. Multiple Choice
If you want the input gear to spin in the same direction as the output gear you must use a _______ gear.
Spur
Bevel
Driven
Idler
- 13. Multiple Choice
What is the final gear reduction of a compound gear reduction of 36 to 12 for the first stage and 60 to 12 for the second stage?
0.067
0.533
8
15
- 14. Multiple Choice
_______ are used for mechanical power transmission over long distances.
Spur Gears
Helical Gears
Chain and Sprockets
Planetary Gears
- 15. Multiple Choice
Mechanical power transmission ratios for Belts and Pulleys systems are calculated using _______.
Belt Length
Pulley diameters
Pitch Length
Number of teeth
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