Technician A says to relieve pressure on an EFI system, a pressure gauge may be connected to the fuel pressure test port and the bleed valve on the gauge opened with the bleed hose installed in an approved container. Technician B says before fuel system components on an EFI system can be removed, the fuel system pressure must be relieved. Who is correct?
A. Technician A
B. Technician B
C. Both A and B
D. Neither A nor B
Answer: C
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With full-voltage starting: ____.
a. reactors are used in series with the motor b. a hand-operated or automatic starting switch throws the motor directly across the line c. a resistance unit connected in series with the stator reduces the starting current d. the stator of the motor is star connected for starting and delta connected for running
Referring to the figure shown below, technician A says that switch 1 and switch 2 provide a ground for the low air lamp when closed. Technician B says that switch 1 and switch 2 provide a ground for the speedometer/tachometer module to cause an alarm to sound. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Which type of system is required to be grounded?
a. Systems less than 50V supplied by grounded transformers b. Circuits for cranes that operate over combustible fibers in Class III locations c. AC systems over 1kV that supply mobile or portable equipment d. Circuits for electrolytic cells
What is the name given to the areas where P-type materials join N-type materials to form a diode?
a. PN junction b. Solid-state area c. NPN junction d. Gate junction