Two technicians are discussing the DC coupling setting on a DSO. Technician A says that the position allows both the DC and AC signals of the waveform to be displayed. Technician B says that this setting allows just the DC part of the waveform to be displayed. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians D) Neither technician
A
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Which of the following is a main component of an axial compressor?
A) Impeller B) Diffuser C) Rotor blades D) Housing
Single-phase capacitor-start and capacitor-run motors have a paper and foil type capacitor for _______________.
Fill in the blank(s) with the appropriate word(s).
Technician A says that fuel cell cooling systems can use heat exchangers with small surface areas. Technician B says that fuel cell cooling systems must use heat exchangers with large surface areas. Which technician is correct?
A) Technician A B) Technician B C) Both Technicians D) Neither Technician
A fuel pump was measured for current draw and amperage exceeded factory specifications. This can be caused by a ________
A) Defective fuel pump B) Clogged fuel filter C) Restricted fuel line D) Any of the above