An imaginary picture plane in a perspective drawing is _____ to the ground line
A. parallel
B. perpendicular
C. inclined
D. at 45 degrees
Answer: B
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What hardware device on a truck chassis enables a connection between an EST and the chassis data bus?
A. 7-wire trailer connector B. J1939 data connector C. USB port D. communications adapter
The area of a rectangle is found by the formula _____.
a. a = lw b. a = ?r2 c. a = lwh d. a = l ÷ w
An op amp follower circuit is useful because
A. the output voltage is equal to the input voltage and the input current is very large B. the output voltage is the negative of the input voltage and the input current is very large C. the output is fixed (i.e., doesn't change) even when the input changes D. the output voltage is equal to the input voltage and the input current is almost zero E. the output voltage is the negative of the input voltage and the input current is almost zero
All of the following statements about hard spots in the rotor are true EXCEPT:
A. hard spots cause the rotor to expand. B. hard spots appear as round, shiny, bluish areas on the friction surface. C. hard spots are difficult to machine, and may require special cutting bits for a brake lathe. D. most car manufacturers recommend replacing a rotor with hard spots.