Why is avoiding metallurgical damage during grinding often of critical importance?
A) Part appearance is important for marketability of the parts
B) You can be fired for turning out substandard work
C) The safety of vehicles that use highly stressed parts is at stake
D) None of the above
C
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A textured architectural-concrete surface is achieved by _____.
a. painting it b. covering it with veneer c. liners attached to forms d. adding an air-entraining admixture
Water that has a salt content lower than ocean water and higher than fresh water is called _____
A) brackish? B) aerated? C) oxygen enriched? D) endothermic
Two systems A and B in Figure E.36 have the two pole-zero diagrams below. Which of them has a unit-step response that overshoots the final value before settling to the final value? Explain your answer.
If 
and both are based on the same representation time and 
can be written in the form 
Find the numerical values of A , a, b, c and d.