How does the addition of an alpha stabilizer strengthen titanium?
What will be an ideal response?
Solution For ? alloys, the strengthening is due mostly to solid solution strengthening. In addition, ? alloys can be cold worked, and annealed to obtain finer grains for additional strengthening. The most effective strengthener is aluminum.
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Technician A says that the cooling system should be tested for leaks using an air-operated pressure pump. Technician B says the freezing and boiling point of the coolant can be tested using a thermometer. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Copper or copper-clad electrodes can cause ____.
a. skin lesions to the system operators b. unexpected results at best c. electrolytic corrosion of the galvanized components d. significant 50 or 60 Hz artifacts arising from the power system's frequency
All of the following are usual duties of a lube technician EXCEPT _______
A) Water pump replacement B) Oil change C) Air filter replacement D) Accessory drive belt inspection
If there is a hole in the floor of a structure, the preferred method of protecting workers from falls is to _____
a. cover the opening and label the cover b. place reflective tape around the opening c. post a guard at the opening d. place a warning sign near the opening