The ____________________ of a metal is its ability to be bent repeatedly without exceeding its elastic limit and without failure.
Fill in the blank(s) with the appropriate word(s).
fatigue resistance
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Some external symptoms of graft incompatibility include: ________, ________, and ________.
Fill in the blank(s) with the appropriate word(s).
After servicing a system using a bolt-on piercing valve, the technician should:
A) Recover the refrigerant, remove the bolt-on valve, and replace it with a permanent valve. B) Simply remove the gauges because most bolt-on valves are self-sealing. C) Close the bolt-on valve, remove the gauges, and put on the valve cap. D) Remove the bolt-on valve and quickly braze up the hole.
How does changing tire diameter affect the speedometer reading?
A) A larger diameter tire causes the speedometer to read slower than the actual speed and more than the actual mileage on the odometer B) A smaller diameter tire causes the speedometer to read faster than actual speed and more than actual mileage on the odometer C) A smaller diameter tire causes the speedometer to read slower than the actual speed and less than the actual mileage on the odometer D) A larger diameter tire causes the speedometer to read faster than the actual speed and more than the actual mileage on the odometer
What is the normal pressure range for high pressure gauges made for use on R-410A systems?
A) 0 - 30" Hg vacuum and 0 - 350 psig pressure B) 0 - 500 psig pressure C) 0 - 800 psig pressure D) 0 - 30" Hg vacuum and 0 - 120 psig pressure