Technician A says that most current highway tractors use a 3-line TP valve. Technician B says that a 2-line TP valve will remain OFF (closed) until the trailer air supply dash button is depressed. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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Answer the following statement(s) true (T) or false (F)
1. DC motors can be operated at a slow speed with a high torque. 2. If it is necessary to operate the motor above base speed, the field voltage is increased and armature voltage is fully applied. 3. Generally, DC motors are run at base speed or below. 4. A signal electronics module provides the overall drive control. 5. When power is applied to the drive, each of the circuit boards is simultaneously checked by the microprocessor.
A processor is matched to signal si = (5, -2, 3). Compute V and the determined binary data value br when Xi = (-3, 1, 6) is observed.
Fill in the blank(s) with the appropriate word(s).
The existing posted speed limit on a section of highway is 55 mi/h and studies have shown that that the current 85th percentile speed is 65 mi/h. If the posted speed limit is to be increased to the current 85th percentile speed, what should be the increase in the radius of a curve that is just adequate for the existing posted speed limit? Assume a superelevation rate of 0.08 for the existing curve and for the redesigned curve.
What will be an ideal response?
Briefly describe the purpose of Process Flow Diagrams.
What will be an ideal response?