The A7 test includes what subject material?

A) Engine repair B) Electrical systems
C) Heating and air conditioning D) Engine performance


C

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When did irradiation of food begin as a method of food preservation?

a. 1918 c. 1967 b. 1950 d. 1979

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Find a 98% confidence interval for the difference in the mean recovery times between treatment and control.

A new post-surgical treatment is being compared with a standard treatment. Seven subjects receive the new treatment, while seven others (the controls) receive the standard treatment. The recovery times, in days, are given below. Treatment: 12 13 15 19 20 21 24 Control: 18 23 24 30 32 35 39

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It is easy to represent ____________________ numbers, 1s and 0s, in electrical circuits.

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

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Two technicians are discussing computerized service information. Technician A says that paper manuals are much less expensive to maintain. Technician B says that most paper service manuals have been replaced by computerized data systems. Who is correct?

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

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