Which type of system is required to be grounded?

a. Systems less than 50V supplied by grounded transformers
b. Circuits for cranes that operate over combustible fibers in Class III locations
c. AC systems over 1,000V that supply mobile or portable equipment
d. Circuits for electrolytic cells


c. AC systems over 1,000V that supply mobile or portable equipment

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In a business operation, which of the following functions involves developing a plan to identify ways

to make potential customers aware of the product or service being offered?

a. selling c. buying b. distributing d. promoting

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Assume that an alloy of nickel with 2 wt. percent aluminum is cast and by metallographic examination, a dendrite arm spacing of 50 µ is observed. It is also determined that the composition difference between the center of an arm, and the midpoint between two arms is one percent. Estimate the time required for homogenization if the annealing temperatute is to be 1400°C and the compostion difference is to be reduced to one?tenth or its original value. Note: See Table 12.5.

What will be an ideal response?

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Aerial bombardment in Vietnam by the Johnson administration

A. worked very well. B. strengthened the communists' will in North Vietnam and in South Vietnam to resist American efforts to persuade them to sue for peace. C. strengthened the will of America's South Vietnamese allies to fight. D. had no effect on the war. E. destroyed North Vietnamese industry.

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In Linux, the native file system is the ____, which is installed by default.

A. ufs B. ext fs C. ReiserFS D. jfs

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