| (E) calculate shear stress for a material with a given
set of data;
(F) use the Brinell hardness number to determine the
ultimate tensile strength of a material;
(G) apply factors of safety to material engineering
designs; and
(H) create material testing conditions for a model
using equipment such as a polariscope.
(10) The student applies mathematical principles for
mechanical drives, including levers, linkages, cams, turnbuckles,
pulley systems, gear drives, key fasteners, v-belt drives, and chain
drives. The student is expected to:
(A) calculate the weight of an object for a given mass;
(B) analyze and calculate torque for a given application
using the proper units of measurement;
(C) calculate the magnitude of force applied to a rotational
system;
(D) calculate the mechanical advantage of first-, second-,
and third-class levers;
(E) compare the advantages and disadvantages of the
three classes of levers for different applications;
(F) calculate and analyze the coefficient of friction
in its proper units of measurement;
(G) analyze and calculate mechanical advantage for
simple machines using proper units of measurement;
(H) calculate the mechanical advantage of gear drive
systems;
(I) compare and contrast at least two methods of loading
a mechanical drive system;
(J) calculate rotary mechanical power applied to an
application;
(K) analyze the mechanical efficiency of a given application;
(L) demonstrate various examples of pitch and analyze
its proper application;
(M) calculate the shaft speed and torque of a belt
drive and chain drive system; and
(N) calculate sprocket ratio and analyze its importance
to various applications.
(11) The student applies mathematical principles of
quality assurance, including using precision measurement tools, statistical
process control, control chart operation, analysis of quality assurance
control charts, geometric dimensioning and tolerancing, and location,
orientation, and form tolerances. The student is expected to:
(A) evaluate the readings of dial calipers and micrometers
to make precise measurements;
(B) use at least three measures of central tendency
to analyze the quality of a product;
(C) use a manually constructed histogram to analyze
a given set of data;
(D) construct and use a mean-value-and-range chart
to determine if a process remains constant over a specified range
of time;
(E) examine the maximum and minimum limits of a dimension
given its tolerance; and
(F) use position tolerance to calculate the location
of a hole.
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