Not all necessary dimensions need to be shown on drawings.
Answer the following statement true (T) or false (F)
False
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?What adhesive was used in ancient times to seal cracks in boats?
A. ?pitch B. ?shellac C. ?wax D. ?natural rubber
PROBLEM 3.88The stepped shaft shown must transmit 45 kW. Knowing that the allowable shearing stress in the shaft is 40 MPa and that the radius of the fillet is mm, determine the smallest permissible speed of the shaft.
In a mechanical governor what forces act on the thrust lever?
A. Centrifugal force and spring force. B. Pneumatic and spring force. C. Centrifugal and centripetal force. D. Hydraulic and spring force.
Used typically for symmetrical objects; the cutting-plane line actually cuts through one quarter of the part. The sectional view shows half of the interior and half of the exterior at the same time.
A. Full section B. Half section C. Broken out section D. Removed section E. none of the above