Technician A says that the wheel-end brakes are controlled by a pair of pedals in the operator's station, and that when the right pedal is depressed and the wheel loader transmission is first disengaged, then the wheel brakes are actuated. Technician B says that when the left pedal is depressed, only the wheel brakes are actuated. Who is correct?
A. Technician A
B. Technician B
C. Both
D. Neither
Answer: D
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What is the most common type of valve in the process industries?
A. Gate B. Globe C. Check D. Butterfly
What can the driver do to reduce the possibility of brake fade caused by heat?
A) Select a lower transmission gear B) Ride the brakes to keep the shoes and pads against the drum or rotor C) Shift the transmission into neutral and allow the vehicle to coast down long or steep hills D) Pump the brake pedal while descending a steep hill
Fire dampers are typically required in:
A) All residential buildings. B) All buildings that have ductwork. C) All commercial buildings with ductwork passing through firewalls. D) The chimney of all residential fireplaces.
On a vacuum-boosted system, all of the following can cause poor power-assist unit operation EXCEPT:
A. excessive manifold vacuum. B. leaking or collapsed vacuum lines. C. punctured diaphragm. D. leaky piston seals.