Which of the following operates the service brakes on both the tractor and the trailer?

A. the air-brake controls
B. the trailer brake control valve
C. the parking brake control valve
D. the foot-brake control valve


Answer: D

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The propagation delays for LEO satellites will be in________.

A. microseconds B. milliseconds C. seconds D. minutes

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The tenth character represents the year of the vehicle. If the tenth character is a "Y" what year is the vehicle?

A) 2002 B) 1998 C) 2004 D) 2000

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The path of flight (trajectory) of a football thrown by a quarterback is described by the following function:


where y = vertical position of football relative to the ground (ft)
x = horizontal position of football relative to launch position (ft)
How high above the ground is the football as it leaves the quarterback’s hand?
a. 0.002 ft
b. 0.7 ft
c. 7 ft
d. 7.7 ft

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The load ____ is the route that is used to transfer the roof loads into the walls, then into the floor, and then to the foundation.

A. method B. point C. path D. member

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