Neutralizer valves are used as part of hydraulic steering systems to:
a. Destroke the pump when no steering occurs
b. Stop the flow of power through the drive train when the machine is turning
c. Drain the pilot signal to the main control valve to stop the machine from turning further
d. Upstroke the pump during a steer function to improve response
C
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Name and describe the limits and indexes that are important to the understanding of soil classification.
What will be an ideal response?
Most motor circuits are protected by dual-element time-delay fuses or ____.
A. dual-time circuit breakers B. instantaneous trip circuit breakers C. nontime delay fuses D. inverse-time circuit breakers
Which is NOT an accurate method to determine vehicle model year?
A. Examine the vehicle emission decal under the hood B. The registration card C. Production date “year” (i.e. 11/2013 is always a 2013 model year) D. 10th digit of the VIN
If your truck or bus has dual parking control valves, you can use pressure from a separate tank to:
a. Stay parked twice as long without using up service air pressure. b. Balance the service brake system when you are parked. c. Release the spring emergency/parking brakes to move a short distance.