Diagnosing a DBC-7 system is being discussed. Technician A says that the system must be depressurized before retrieving DTCs. Technician B says that thoroughly inspecting the vehicle and speed sensor harness is one of the first steps in proper diagnosis. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: B
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Under the CSMA/CA protocol, suppose there are n users and the contention window for each user is W; then what is the collision probability?
What will be an ideal response?
The upper guide post should be adjusted so that:
A) One inch clearance exists between the band guide and the workpiece B) The blades guide just touches the workpiece C) The band guide is as close to the work as possible D) None of the above
Calculate the following:
A three-phase, 480 V, six-pole, Y-connected, 60 Hz, 10 kW induction motor is
driving a constant torque load of 60 Nm. The parameters of the motor are:
a. Motor torque.
b. Motor current
c. Starting torque
d. Starting current
A voltage is injected in the rotor circuit to reduce the motor speed by 40%.
e. Calculate the magnitude of the injected voltage.
f. Repeat (a) to (d) for the motor with injected voltage.
g. Calculate the power delivered to the source of injected voltage.
h. Determine the overall efficiency of the motor (ignore rotational and
core losses).
By organizing with components and instances, the data to be stored is ____.
A. encrypted B. doubled C. reduced D. increased by 50%