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Advanced Manufacturing I Mechanisms
Test Description: Mechanisms set 1
Instructions: Answer all questions to get your test result.
1) What two dimensions of an inclined plane are needed to calculate its mechanical advantage?
A
rise and length
B
width and circumference
C
length and angle
D
rise and angle
2) Which of the following terms describes the distance between a screw's threads?
A
lead
B
pitch
C
radius
D
helix
3) A pulley system is made up of two pulleys and four sections of rope that are acting on the load. What is the mechanical advantage of such a pulley system?
A
2
B
8
C
4
D
The mechanical advantage cannot be determined from this information alone.
4) A wedge is really a type of what other simple machine?
A
screw
B
inclined plane
C
pulley
D
lever
5) Which simple machine helps a person by moving an object with less force, but forces that person to move the object an increased distance?
A
screw
B
wedge
C
inclined plane
D
lever
6) Which best describes a first class lever?
A
Fulcrum is located between the effort and resistance forces.
B
Fulcrum is located on one end with the effort force located in the middle
C
Fulcrum is located on one end with the resistance force in the middle.
D
None of these answers are correct
7) Which best describes a second class lever?
A
None of these answers are correct
B
Resistance is located between the fulcrum and the effort force
C
Fulcrum is located on one end with the effort force located in the middle
D
Fulcrum is located between the effort and resistance forces.
8) Which best describes a third class lever?
A
None of these answers are correct
B
Fulcrum is located between the effort and resistance forces
C
Resistance is located between the fulcrum and the effort force
D
Effort is applied between the fulcrum and the resistance
9) A wheel barrow is an example of which class of lever?
A
First class
B
Second class
C
Third class
D
Fourth class
10) Tweezers are an example of which class of lever?
A
second class
B
third class
C
first class
D
fourth class
*select an answer for all questions
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