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WorksheetsGear Ratio
Total questions: 21
Worksheet time: 2hrs 29mins
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.
When speed is constant, what happens to the value of torque?
a)
increases
b)
decreases
c)
stays constant
4.
What is a Ratio?
a)
It's a comparison of two things
b)
Multiplying two fractions
c)
A number over another number
d)
Two decimals that can be multiplied
5.
Simplify the ratio of
35 : 14
35 : 14
a)
5 : 2
b)
2 : 5
c)
3 : 1
d)
35: 14
6.
When a input gear is larger than a output gear you have.....
a)
Increased Speed
b)
Increased Torque
7.
What's the ratio?
a)
1:1
b)
84 : 60
c)
60 : 84
8.
What's the ratio?
a)
1:1
b)
84 : 60
c)
60 : 36
9.
What's the ratio?
a)
1:1
b)
60 : 36
c)
36 : 60
10.
What's the ratio?
a)
1:1
b)
12 : 84
c)
84 : 12
11.
# of teeth input gear = 8
# of teeth output gear = 40
What is the gear ratio (in lowest terms)?
a)
5:1
b)
40:8
c)
1:5
d)
8:40
12.
# of teeth input gear = 60
# of teeth output gear = 36
What is the gear ratio (in lowest terms)?
a)
36:60
b)
60:36
c)
3:5
d)
5:3
13.
Which gear train would you use to ride up a hill?
a)
A
b)
B
14.
Which of the following pics shows a simple gear train that will turn the gears at a constant speed/torque?
a)
b)
c)
15.
If this gear ratio is 5:3, we have increased:
a)
speed
b)
torque
16.
If we have a gear ratio of 1:2, there is increased:
a)
speed
b)
torque
17.
Which gear is the output?
a)
A
b)
B
18.
Which gear is the drive (input)?
a)
A
b)
B
19.
Which gear train provides more torque?
a)
A
b)
B
20.
If speed increases, torque ________.
a)
decreases
b)
increases
21.
If torque increases, speed _________.
a)
decreases
b)
increases
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