Technician A says that most current highway diesel engines use the engine ECM to master control of engine braking cycles. Technician B says that some current trucks option engine braking as part of cruise control and directional stability management. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C
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Explain a process controller.
What will be an ideal response?
What is the primary function of a relay valve?
A. remote controlled service brake valve B. relays pressure from the primary circuit to the secondary circuit C. relays governor signal pressure to the unloader pistons D. routes hold-off air to the hold-off chambers
The ignition system is usually split into how many different sections or circuits?
A) Four B) One C) Two D) Three
Which of the following has been recognized as ?the most significant achievement of the twentieth century? by
the National Academy of Engineering? a. Solar panels b. Wind turbine generators c. Nuclear power generation d. The US electrical power grid