Technician A says all vehicles with on-board computers must have an auxiliary power source connected before disconnecting the battery. Technician B says to check the service manual before disconnecting the battery to make sure an auxiliary power source should be connected to the on-board computer. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technician A and B
D. Neither Technician A nor B
Answer: B
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Which of these statements about fiberglass ductboard is correct?
a. It is insulated only if it runs through a conditioned space. b. It is coated on the inside to prevent fiber erosion. c. It is flexible so it can be bent around obstacles. d. It is reinforced with sheet metal in high-pressure applications.
What kind of mounting is often used in tunnels and other underground installations where equipment is separated by long distances?
a. Wall b. Direct rod c. Trapeze d. Center-hung
In a master-slave rewinder, where it is necessary to maintain a constant speed of paper between the rolls, the motor of the take-up roll ____________________, and the motor of the supply roll ____________________.
Fill in the blank(s) with the appropriate word(s).
A riser is used, depending on the size of the casting, to allow the excess metal to evacuate from the mold.
Answer the following statement true (T) or false (F)