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WorksheetsGear Ratios
Total questions: 12
Worksheet time: 3600secs
Name
Class
Date
1.
When speed increases, what happens to the value of torque?
a)
increases
b)
decreases
c)
stays constant
2.
When speed decreases, what happens to the value of torque?
a)
increases
b)
decreases
c)
stays constant
3.
What is the function of the smaller or "idle" 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.
4.
What's the ratio?
a)
1:1
b)
84 : 60
c)
60 : 84
5.
What's the ratio?
a)
1:1
b)
84 : 60
c)
60 : 36
6.
Looking at the picture, what is the gear ratio?
a)
6:10
b)
3:10
c)
10:6
d)
3:5
7.
True or false; both speed and torque can increase at the same time.
a)
true
b)
false
c)
not enough information
8.
True or false; the starting gear is the input gear.
a)
true
b)
false
c)
not enough information
9.
When gears are the same size they turn the same number of times.
a)
True
b)
False
10.
Which gear is the output?
a)
A
b)
B
11.
Which gear is the drive (input)?
a)
A
b)
B
12.
How do you determine the ratio between two gears?
a)
# of teeth of input gear/# of teeth of input gear
b)
# of teeth of input gear/# of teeth of output gear
c)
# of teeth of output gear/# of teeth of input gear
d)
# of teeth of output gear/# of teeth of output gear
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