How is the piezo stack in a EHI linked to the control valve?
A. Directly with a piston.
B. By a fuel-charged hydraulic coupler.
C. By the injector spindle.
D. Using a fuel charged duct.
Answer: B
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Technician A says that a scan tool should be disconnected from the DLC with the ignition switch on. Technician B says that on some computer-controlled air suspension systems, the scan tool may be used to command the computer to fill and vent each air spring. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
When a compelling relay is used, ____.
a. the final speed is determined by the button pressed b. the motor must be started at low speed before a higher speed can be selected c. the motor is started at low speed and is then accelerated automatically d. definite time intervals must elapse between each speed change
Both lime and ____ move slowly down through the soil
A) nitrogen B) potassium C) ?phosphorus D) vermiculite
Oxygen manifolds must be at least ____ feet away from fuel gas manifolds.
A. five B. ten C. fifteen D. twenty