Technician A says that a closed-center system requires the use of a variable displacement pump. Technician B says that a closed center system requires the use of proportioning unloading control valves. Who is correct?

A. Technician A
B. Technician B
C. Both
D. Neither


Answer: C

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Using the pseudo-random number generator equation given by


What will be an ideal response?

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Which of the following modified bitumen membranes is more elastomeric?

A) SBS-modified bitumen B) APP-modified bitumen

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"r" selected species

What will be an ideal response?

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What should the technician do when replacing stabilizer bar links?

A) The stabilizer bar must be compressed using a special tool before removing or installing stabilizer bar links B) The links can be replaced individually, yet the manufacturer often recommends that the links at both ends be replaced together C) The stabilizer bar should be removed from the vehicle before replacing the links D) Both A and C are correct

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