PROCESSES EXAM
MSSC-M3 MANUFACTURING PROCESSES EXAM WITH GUARANTEED ACCURATE
ANSWERS
Levers are classified as __________. - Accurate Answers✔✔✔ First
class, Second class, or Third class
A(n) __________ is produced when the forces applied to a lever cause it
to rotate. - Accurate Answers✔✔✔ rotational movement
The mechanical advantage of a second-class lever can be found by the
ratio of the length of the __________ arm divided by the length of the
__________ arm. - Accurate Answers✔✔✔ effort, resistance
A spring scale is used to measure __________. - Accurate
Answers✔✔✔ force
,The mechanical advantage of a first-class lever can be found by the ratio
of the length of the __________ arm divided by the length of the
__________ arm. - Accurate Answers✔✔✔ effort, resistance
The English unit of measurement of weight is the __________. -
Accurate Answers✔✔✔ pound-force (lb-f)
A second-class lever has its __________. - Accurate Answers✔✔✔ load
between the fulcrum and the effort arm
A __________ is a bar or beam atop a fulcrum that is used to transmit
force from one point to another. - Accurate Answers✔✔✔ lever
Mass is the __________. - Accurate Answers✔✔✔ amount of material
in an object
The mechanical advantage of a third-class lever can be found by the
ratio of the length of the __________ arm divided by the length of the
__________ arm. - Accurate Answers✔✔✔ effort, resistance
The Law of Moments can be used to determine __________. - Accurate
Answers✔✔✔ both the force needed to balance or force needed to move
a load
,A third-class lever has its __________. - Accurate Answers✔✔✔ effort
arm between the fulcrum and the load
A mechanism refers to __________. - Accurate Answers✔✔✔ both
parts or a complete machine
The three common types of mechanisms are levers, __________, and
inclined planes. - Accurate Answers✔✔✔ wheels
A first class lever can move greater forces if __________. - Accurate
Answers✔✔✔ the effort arm is lengthened and the resistance arm is
shortened
The metric system expresses force in __________. - Accurate
Answers✔✔✔ newtons
A wheelbarrow is an example of a __________ lever. - Accurate
Answers✔✔✔ second class
How should the lever shown move? - Accurate Answers✔✔✔
counterclockwise
A pair of ice tongs is an example of a __________ lever. - Accurate
Answers✔✔✔ third-class
, A force that makes an object rotate about a point is called __________. -
Accurate Answers✔✔✔ torque
Torque is calculated by multiplying a force times __________. -
Accurate Answers✔✔✔ distance from the fulcrum that a force is
applied
Which of the following is one of the six mechanism safety rules? -
Accurate Answers✔✔✔ Keep your work area safe and clean.
Mechanical advantage is the ratio of the force required to move a load
divided by __________. - Accurate Answers✔✔✔ the effort force
applied
The mechanical advantage of an inclined plane is the ratio of the
__________ of the inclined plane divided by its __________. - Accurate
Answers✔✔✔ length, height
The coefficient of friction is the ratio of the force of friction divided by
the __________. - Accurate Answers✔✔✔ normal force
The four properties of a cam are: rise, fall, __________, and constant
velocity - Accurate Answers✔✔✔ dwell
What is the mechanical advantage of this incline plane with the object
weight and force need to move it shown? - Accurate Answers✔✔✔ 2