As an air-conditioning and refrigeration technician, which of the following states of matter will you use in your job?
A) Gas and liquid B) Liquid and solid
C) Solid only D) Solid, liquid, and gas
D
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The strength of an electromagnet is proportional to its ____.
a. flux-amperes b. ampere-turns c. flux-turns d. ampere-ohms
The cruise control system is inoperative. Technician A says a faulty brake light switch can be the cause. Technician B says the cause may be the dump valve is stuck open. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
Which type of oscilloscope displays all voltages without taking samples?
A) Complex B) Analog C) Digital D) None of these
Some vehicles use an oil cooler the help maintain proper oil temperature. Oil temperature range should be _________
A) 212° F to 300° F B) Above 300° F C) 100° F to 125° F D) 100° F to 150° F