Sally is making a sine bar, which is used to machine angles on parts (see Figure 4.19). She has a 1.250 in. thick bar that needs 90° grooves machined into it for precision ground 1.0000 in. diameter cylinders. A sine bar is used by placing different thicknesses under one of the cylinders so that the proper angle is attained. Sally wants the distance between the centers of the cylinders to be 5.000 in.
(a) How deep should she mill the 90° grooves so that the top of the sine block is 2 in. tall?
(b) Once her sine block is finished, she wants to mill a 22.5° angle on a brass block. What thickness of gage blocks will produce this angle for this sine plate?
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General discipline notes should be placed on the first or ____-series sheet of each subset.
A. Prime B. N C. A D. 0
____________________ ensure that a grid-connected system can be isolated from the grid when necessary to prevent it from feeding power into the grid when people are working on the grid transmission and distribution systems.
Fill in the blank(s) with the appropriate word(s).
TechnicianA says equipment and tools should be used for only the purpose for which they were designed. TechnicianB says equipment and tools can be modified by the technician so equipment and tools can be used for other functions as well. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A scan tool is used to read ____________________.
Fill in the blank(s) with the appropriate word(s).