________________ dimensioning combines angular dimensions with other dimensions to locate features from planes, centerlines, or center planes.
Fill in the blank(s) with the appropriate word(s).
Polar coordinate
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Inside the switch of a typical ____ controller is a series of contacts mounted on a movable cylinder.
a. series b. drum c. stationary d. circular
Analyze and compare two trusses, arched configurations of the Pratt Truss and the Howe Truss in Figures P4.56 (a) and (b), respectively. The trusses have the same depth, length, panel spacing, loading, and supports. All joints are pinned. For each truss, do the following.
a) Compute all bar forces and indicate tension or compression for each force.
b) Determine the required cross-sectional areas for each bar, given an allowable tensile
stress of 45 ksi,
and an allowable compressive stress of 24 ksi. Note that the allowable compressive stress is
lower due to buckling.
c) Tabulate your results showing bar forces, cross-sectional areas, and lengths.
d) Calculate the total weight of each truss and determine which truss has a more efficient
configuration. Explain your results.
e) What other conclusions can you draw from the study?
For Example 6.6 (b), if the units of k, A, T1 ? T2, and L, are given in Btu/h·ft·°F, ft2,°F, and ft, respectively, what is the appropriate unit for heat transfer rate q?
What will be an ideal response?
The ________ shows the total standard time required to produce one end product in each work center required for its manufacture
A) bill of material B) work center master C) item master D) routing