Trench warfare’s stalemate was finally broken by which two new technologies?
a. the machine gun and barbed wire
b. the machine gun and the tank
c. the tank and the airplane
d. the airplane and poison gas
c. the tank and the airplane
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What ISO standard provides a framework for quality management by addressing the process of producing and delivering products and services?
A) ISO 9000 B) ISO 14000 C) ISO 14001 D) ISO 15000
Where is the front of the subject usually located in the standard top view of a scale technical drawing?
a. At the top b. At the bottom c. On the right d. On the left
All of the following statements are true EXCEPT:
A. cylinders are deglazed for use with new rings only if they have excessive bore taper. B. damaged cylinders or cylinders with too much taper should be rebored and honed by a machine shop to fit new oversized pistons. C. the top of an oversize piston is stamped with the amount of oversize. D. pistons of 0.030" oversize are most commonly used.
PROBLEM 3.50 A hole is punched at A in a plastic sheet by applying a 600-N force P to end D of lever CD, which is rigidly attached to the solid cylindrical shaft BC. Design specifications require that the displacement of D should not exceed 15 mm from the time the punch first touches the plastic sheet to the time it actually penetrates it. Determine the required diameter of shaft BC if the shaft is made of a steel with and
