A system that uses the space above a drop ceiling for return air is called
A) a spatial air distribution system B) a drop ceiling return system
C) a static regain system D) an extended plenum system
B
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Two technicians are attempting to locate a leak by using a pressure tester on the radiator. Technician A says to use a mirror and flashlight to locate a leak if the location cannot be seen. Technician B says to run the engine when performing the test. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
Lease payments on a company's truck fleet represent a semivariable cost (assume no
mileage charges).
Indicate whether the statement is true or false.The internal resistance of any meter is only effective if the meter is set on the ________ scales
A) Ammeter B) Voltmeter C) Ohmmeter D) None of these
An oscilloscope's seconds/division switch is set on 20 ms/div. If a sine wave measures 4 divisions horizontally, what frequency is being measured?
A) 12.5 Hz B) 50 Hz C) 25 Hz D) More information is needed.