Which of the following materials is not considered a good material to be worn in cold environments due to the fact that it retains moisture.

A. Polypropylene
B. Cotton
C. Silk
D. Wool


Answer: B

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Technician A says that a vehicle must have new tires in order to perform a proper alignment. Technician B says that the tires should be the same size with the same tread wear in order to perform a proper alignment. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician

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To avoid electrical shock, what class fire extinguisher should be used on electrical equipment?

A) Class B B) Class C C) Class D D) Class A

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Match the part to the description.

A. Inner tank B. Jacket C. Insulation D. Dip tube E. Thermostat F. Vacuum breaker G. Heating device H. Anode rod

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Which of the following types of nipples fail to mature and have no opening?

a. pin c. inverted b. blind d. no answers

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