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WorksheetsMechanisms Quiz
Total questions: 23
Worksheet time: 22mins
Name
Class
Date
1.
When speed decreases, what happens to the value of torque?
a)
increases
b)
decreases
c)
stays constant
2.
When speed is constant, what happens to the value of torque?
a)
increases
b)
decreases
c)
stays constant
3.
How are gear ratios determined?
a)
Teeth of gear : teeth of gear
b)
gear shape : gear shape
c)
Speed : torque
4.
The input gear in the image is the larger gear. Calculate the gear ratio.
a)
4:6
b)
6:4
c)
2:3
d)
3:2
5.
The larger gear in the image is the input gear. Calculate the gear ratio.
a)
4:24
b)
1:6
c)
2:12
d)
1:9
6.
The larger gear in the image is the drive gear. Calculate the gear ratio.
a)
6:10
b)
3:10
c)
10:6
d)
3:5
7.
When gears are equal in size, what happens to the speed and torque?
a)
Speed increases; torques decreases
b)
Speed decreases; torque increases
c)
Speed and torque are constant
8.
When gears are equal in size, what is the gear ratio?
a)
1:2
b)
1:3
c)
2:5
d)
1:1
9.
When on a bike going uphill, what happens to the speed and torque?
a)
Speed decreases; torques increases
b)
Speed decreases; torques decreases
c)
Speed increases; torques decreases
d)
Speed increases; torques increases
10.
When on a bike going downhill, what happens to the speed and torque?
a)
Speed decreases; torques increases
b)
Speed decreases; torques decreases
c)
Speed increases; torques decreases
d)
Speed increases; torques increases
11.
True or false; both speed and torque can increase at the same time.
a)
true
b)
false
c)
not enough information
12.
If the small gear is driving the large gear, what is happening to the torque?
a)
Increase
b)
Decrease
c)
Remains constant
d)
Not enough information
13.
Which kind of movement is depicted in the picture?
a)
Oscillating
b)
Rotary
c)
Reciprocating
d)
Linear
14.
The image shown is an antique sewing machine. As the foot lever is pressed back and forth, the needle moves up and down. What are the input and output motions?
a)
Input=linear
output=linear
output=linear
b)
Input=linear
Output=Reciprocating
Output=Reciprocating
c)
Input=Oscillating
Output=Reciprocating
Output=Reciprocating
d)
Input = Oscillating
Output=Linear
Output=Linear
15.
The image shown is a vice grip. When the lever is rotated, the grips move towards each other. What are the input and output motions?
a)
input=linear
output=linear
output=linear
b)
input=linear
output=reciprocating
output=reciprocating
c)
Input=rotary
output=rotary
output=rotary
d)
Input=rotary
Output=linear
Output=linear
16.
The image shown is an ice cream scoop. As the lever is pressed, the center scoop moves along the scoop itself. What is the input and output motions?
a)
Input=rotary
output=rotary
output=rotary
b)
input=oscillating
output=oscillating
output=oscillating
c)
Input=rotary
output=oscillating
output=oscillating
d)
input=rotary
output=linear
output=linear
17.
When speed increases, what happens to the value of torque?
a)
increases
b)
decreases
c)
stays constant
18.
Which kind of movement is depicted in the picture?
a)
Rotary
b)
Linear
c)
Oscillating
d)
Reciprocating
19.
When moving along an arc, which kind of movement is being displayed?
a)
Linear
b)
Rotary
c)
Oscillating
d)
Reciprocating
20.
True or false; the starting gear is the input gear.
a)
true
b)
false
c)
not enough information
21.
All but which of the following are types of gear movement?
a)
Reciprocating
b)
Linear
c)
Oscillating
d)
Circular
22.
The following is an image of an antique car jack. When the lever is moved up and down, the bevel gears rotate causing the jack to move up. What is the input and output motion?
a)
Input = linear output=rotary
b)
Input=oscillating
output=rotary
output=rotary
c)
Input=Reciprocating
Output=linear & Rotary
Output=linear & Rotary
d)
Input=Oscillating
Output=rotary & Linear
Output=rotary & Linear
23.
The following is an image of a hand mixer. When the crank is turned the beaters rotate towards each other. What is the input and output motions?
a)
Input=rotary
Output=rotary
Output=rotary
b)
Input=oscillating
Output=Linear
Output=Linear
c)
Input=Reciprocating
Output=Rotary
Output=Rotary
d)
Input=Rotary
Output=Linear
Output=Linear
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