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MSSC - Manufacturing Processes and Production Exam Questions and Answers
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MSSC - Manufacturing Processes and Production Exam Questions and Answers
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MSSC - Manufacturing Processes andProduction Exam Questions and Answers
The three common types of mechanisms are levers, ______, and inclined
planes. - -wheels
- The metric system expresses force in ______. - -newtons
- A spring scale is used to measure ______. - -force
- The English unit of measure of weight is the ______. - -pound-force (lb-f)
- The Law of Moments can be used to determine ______. - -both the force
needed to balance OR force needed to move a load
- Torque can be calculated by multiplying the distance from the fulcrum and
______. - -the force applied
- A force that makes an object rotate about a point is called ______. - -torque
- A second-class lever has its ______. - -load between the fulcrum and the
effort arm
- A third-class lever has its ______. - -effort arm between the fulcrum and the
load
- A(n) ______ is produced when forces applied to a lever cause it to rotate. - -
rotational moment
- Mechanical advantage is the ratio of the force required to move a load
divided by _____. - -the effort force applied
- 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. - -
effort, resistance
- The coefficient of friction is the ratio of the force of friction divided by the
______. - -normal force
- Rolling friction is ______. - -less than both static and kinetic friction
- What is the unit of measure for the coefficient of friction? - -it has no unit
, - One application that takes advantage if both high and low friction is a(n)
______. - -belt sander
- A wheel reduces friction because _____ friction is less than sliding friction. -
-rolling
- The mechanical advantage of an inclined plane is the ratio of the ______ of
the inclined plane divided by its ______. - -length, height
- The double rocker linkage is one type of ______ linkage. - -four bar
- The slider crank linkage is also known as the ______ linkage. - -three bar
- What type of linkage consists of a driver arm, connecting rod, and a
follower? - -double rocker
- The follower of the ______ linkage moves in an arc. - -crank rocker
- A ______ linkage changes rotary motion into reciprocating (back and forth)
motion. - -slider crank
- The crank rocker linkage is one type of ______ linkage. - -four bar
- A ____ is mounted on a shaft by means of a key. - -cam
- The four properties of a cam are: rise, fall, ______, and constant velocity. - -
dwell
- A cam is a wheel that, when combined with a cam follower, produces a(n)
______ motion. - -reciprocating
- Turnbuckle has two bolts, where ______. - -one has left-hand threads and
the other has right-hand threads
- On a CNC milling machine a movement along the X direction would move
the ______. - -table
- In a CNC machine operation, zero offset ______. - -allows the operator to
move the part to the most desirable location on the work table
- During the cutting action, the tool tip ______ the metal until it exceeds its
fracture point. - -deforms
- Feed of a single point cutting tool most affects the ______. - -tool's life
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