Technician A says that 10 feet (3 m) of 10 AWG wire has less resistance than 20 feet (6 m) of 10 AWG wire. Technician B says that 10 feet (3 m) of 10 AWG wire has more resistance than 10 feet (3 m) of 20 AWG wire. Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B


Answer: A

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Concrete shell roofs are not commonly used because

A) they require a relatively large amount of concrete per square foot of floor area. B) they require prestressing, which substantially raises their cost. C) they require a relatively large amount of steel reinforcement per square foot. D) all of the above. E) none of the above.

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Measurement of the degree of difference between the progeny of the bull and the progeny of the

average bull of the breed in the trait being measured is called the ____________________.

Fill in the blank(s) with the appropriate word(s).

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Which of the following approaches to policy analysis is objective?

a. Scientific b. Analytical c. Evangelistic d. Educational e. a and d above.

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The viscosity of engine oil is found where?

A) Lubrication guide B) Factory service manual or service information C) Owners manual D) All of these

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