Technician A says when replacing the battery in the vehicle, you should connect the negative cable last. Technician B says when replacing the battery you should always use new leads. 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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Under the Articles of Confederation, the relationship between the 13 states

A. improved to the point of total unity. B. was good economically but poor politically. C. led to a single currency. D. convinced many that a stronger central government was needed. E. was good politically but poor economically.

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The table below gives the life expectancy of males and females at birth in the United States, 1980–2010.

(a) Calculate the mean and median, of the life expectancies for men and for women.
(b) Calculate the standard deviation for the data for men and for women.

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The reaming process produces a surface roughness microinch average of:

a. 500–1000 b. 63–250 c. 32–125 d. 4–16

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Which of the following statements about a single pole double throw relay is NOT true?

A) It has two positions (NC and NO). B) It has one common contact. C) It has a center off position. D) It is called an SPDT type of relay.

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