When a truck with a pneumatic suspension travels over a bumpy surface, what prevents the height control valve from rapidly cycling (inflating/exhausting) in response to each bump?
A. built in response delay mechanism
B. compressibility of air in springs dampens rapid changes in pressure
C. both A and B
D. neither A nor B
Answer: A
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Among anti-communists, Senator Joseph R. McCarthy was the
A. most effective. B. first Republican. C. only true World War II hero. D. one who most damaged free speech and fair play. E. one who organized a national movement.
Technician A says that impact sockets have thicker walls than conventional sockets. Technician B says that impact sockets have a black oxide finish. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
A stop block:
A) Is used instead of a screw jack B) Is used to raise a workpiece C) Limits table travel D) Prevents work movement
A battery-operated electric vehicle uses one or more gas motors to turn its drive wheels.
Answer the following statement true (T) or false (F)