Titanium and its alloys are not widely used materials because they require

an expensive process to make them. However, titanium is still a useful

product. What property of titanium overcomes the high cost and makes it an

attractive material to use?

 

a) Ti becomes an oxygen sponge at high temperatures.

b. Ti is a readily available natural resource.

c. Ti has excellent corrosion resistance. (correct)

d. when Ti is welded, an inert gas must be used to maintain strength.

 

 

What is(are) the most important alloying element(s) for Titanium?

 

a. aluminum

b. vanadium

c. nickel

d. a and b (correct)

e. a and c

f. none of the above

 

 

What purpose does chromium serve in chromium

plating?

a. to smooth the metal surface

b. to make the metal surface look good (correct)

c. to protect the metal underneath

d. to prevent crevice formation

 

 

Which is not a form of welding?

a. arc welding

b. MIG Welding

c. TIG welding

d. HAZ welding (correct)

 

 

In order to get rid of a galvanic cell you must eliminate which of the following:

 

I. Anode

II. Cathode

III. Carbide precipitates

IV. Connection

V. Electrolyte

 

Choose the best answer

a. I and II

b. IV and V

c. III

d. I, II, III, IV,V

e. I or II or IV or V (correct)