Gears Practice Test. Key
1. If gears are connected by a chain or belt, they move in the
direction. *
Opposite
Same
2. If gears are meshed (touching), then adjacent gears move the
directions. *
Opposite
Same
3. In the photo, which direction are the gears moving? *
Opposite
Same
1
/8
4. When more than two gears are together, you should
determining direction. *
the middle gears when
Count
Measure
Ignore
Add
5. In this diagram, what direction does gear 6 rotate compared to gear 1? *
Clockwise
Counterclockwise
2
/8
6. The diagram shows an object that is moving
.*
Clockwise
Counterclockwise
7. The diagram shows an object that is moving
.*
Clockwise
Counterclockwise
8. When more than two gears are together, the smaller gear will always rotate
larger gear. *
than the
Faster
Slower
3
/8
9. Meshed gears with an equal number of teeth will turn at the
speed. *
Opposite
Same
10. To determine how fast a gear is turning in relation to another, you should
.*
Observe the direction
Measure the size
Count the teeth
11. What is the speed of gear 3 if gear 1 rotates at 15 rpms? *
5 rpms
3 rpms
10 rpms
6 rpms
12. Gear three will rotate
than the other gears. *
Slower
Faster
4
/8
13. If gear A turns one revolution, how many times will gear B turn? *
2
.5
1
1.5
14. In the diagram, which gear revolves the fastest? *
Gear A
Gear B
15. In the diagram, what is the ratio for gear A? *
1.75
2
.75
.57
5
/8
16. In the diagram, what is the ratio for gear B? *
1.75
2
.75
.57
17. If gear B is rotating at 400 rpm, how fast is gear A spinning? *
728
500
650
228
18. Wheel A is rotating at 300 rpms in a counterclockwise direction. What is the speed and
direction of wheel C? *
500
375
175
200
6
/8
19. If gear A is rotating clockwise, which direction is gear B rotating? *
Clockwise
Counterclockwise
20. What is the ratio of gear 4? *
1:2
1:1
2:1
2:2
7
/8