Performance testing on air conditioning is being discussed. Technician A says the engine should be operated at speeds over 3,000 rpm during the test. Technician B says a fan should be used to force air through the condenser and radiator. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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Technician A says digital wheel speed sensors produce a variable frequency AC voltage. Technician B says digital wheel speed sensors use a DC reference voltage supply and produce a square wave signal. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Alexander died before he could invade
a. India. b. Italy. c. Arabia. d. Egypt.
Telescopic-boom modes refer to which of the following?
a. The percentage and sequence in which the boom sections are extended b. Whether the boom is extended by cables or hydraulic actuators c. Whether the boom position is above or below the horizontal d. Whether the lift occurs from the main boom or a jib extension
A point or a center of an arc or circle is generally measured from two ____.
A. adjacent surfaces B. opposite surfaces C. finished surfaces D. relative surfaces