WorksheetsGear Ratio
Total questions: 13
Worksheet time: 14mins
Name
Class
Date
1.
Examine the image of the gear combination and determine the end ratio. Express this ratio as a single number.
Gears = 36T and 60T
Gears = 36T and 60T
a)
1.67
b)
2160
c)
0.6
d)
90
2.
Examine the image of the gear combination and determine the end ratio. Express this ratio as a single number.
gear tooth # = 12 and 36 and 60
gear tooth # = 12 and 36 and 60
a)
8
b)
2
c)
15
d)
120
3.
Examine the image of the gear combination and determine the end ratio. Express this ratio as a single number.
Gears = worm and 24T Helical
Gears = worm and 24T Helical
a)
48
b)
576
c)
9.6
d)
23.04
4.
Examine the image of the gear combination and determine the end ratio. Express this ratio as a single number.
Gears shown = 60T, 12T
Gears shown = 60T, 12T
a)
72
b)
5
c)
720
d)
0.20
5.
Examine the image of the gear combination and determine the end ratio. Express this ratio as a single number.
Gears = worm and 24T helical
Gears = worm and 24T helical
a)
3.4
b)
168
c)
72
d)
24
6.
Examine the image of the gear combination and determine the end ratio. Express this ratio as a single number.
Gears shown = 60T, 24T , 60T
Gears shown = 60T, 24T , 60T
a)
1
b)
144
c)
2.5
d)
1440
7.
What is the function of the smaller gear?
a)
Makes the output gear turn slower
b)
Makes the output gear turn faster
c)
Makes the larger gears turn in opposite directions.
d)
Makes the larger gears turn in the same direction.
8.
If the motor has an RPM of 500 what RPM will the Driven gear be rotating?
a)
24 RPM
b)
576 RPM
c)
0.18 RPM
d)
0.86 RPM
9.
If the large gear has an RPM of 86, what will the small gears RPM be?
60T and 36T
60T and 36T
a)
1.67 RPM
b)
51 RPM
c)
125 RPM
d)
143 RPM
10.
If the small gear has an RPM of 110 what will the RPM of the large gear be?
60T & 12T
60T & 12T
a)
22 RPM
b)
55 RPM
c)
625 RPM
d)
550 RPM
11.
If the small gear on the right has an RPM of 234 what will the RPM of the last gear on the left be?
12T, 60T, 36T gears shown
12T, 60T, 36T gears shown
a)
10 RPM
b)
16 RPM
c)
215 RPM
d)
2250 RPM
12.
Examine the image of the gear combination and determine the end ratio. Express this ratio as a single number.
Gears shown are 12T, 24T, 60T, 84T
Gears shown are 12T, 24T, 60T, 84T
a)
14
b)
24
c)
70
d)
84
13.
If the RPM of the gear on the right is 50, what will be the RPM of the gear on the far left?
24T, 12T, 60T, 84T gears shown.
24T, 12T, 60T, 84T gears shown.
a)
3500 RPM
b)
700 RPM
c)
3.6 RPM
d)
0.71 RPM
100 %
