____ light is dangerous because the welder cannot feel the light while being exposed to it, and it may pass through clothing.
A. Ultraviolet
B. Infrared
C. Visible
D. Spectral
Answer: A
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Why are wastewater systems no longer allowed in some areas of the country?
A) Water resources are becoming increasingly scarce. B) Concerns about possible health issues of using sewage water to cool condensers. C) Solids found in waste water can clog up the condensers. D) Heating the wastewater interferes with the sewage treatment.
When ohming components on the system, it is important to:
A) Work quickly before the power comes back on. B) Turn on the power to the unit. C) Make sure the component is still wired in the circuit. D) Turn off the power to the unit.
Technician A says that most loaded ball joints can have up to 0.050 inches of axial free play and still be within specifications. Technician B says that follower ball joints generally should have no more than 0.050 inches of play. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The capacitor testing function on many multimeters will not read correctly if:
A) The capacitor is a dual capacitor. B) The capacitor has a bleed resistor. C) The capacitor is a run capacitor. D) The capacitor is a start capacitor.