Casting, Forming and Welding II Mock Test 2

10%

Question 1 of 10

1. Which of the following materials is the most dominant in aero engine applications?

Titanium

Copper

Iron

Brass

Question 1 of 10

Question 2 of 10

2. Copper alloys possess good mechanical properties even at high temperatures.

True

False

Question 2 of 10

Question 3 of 10

3. In magnesium alloys, what is the maximum amount of allowed aluminum?

11%

13%

24%

19%

Question 3 of 10

Question 4 of 10

4. Which colour is obtained by copper alloys, when nickel is added to it?

Red

Yellow

Silver

Blue

Question 4 of 10

Question 5 of 10

5. Cast iron generally has low tensile strength but excellent compressive strength.

True

False

Question 5 of 10

Question 6 of 10

6. Refractories are generally inorganic non-metallic materials which can resist very high temperature.

False

True

Question 6 of 10

Question 7 of 10

7. Copper alloys generally have sparking nature due to its high ductility.

False

True

Question 7 of 10

Question 8 of 10

8. The dust produced from electric furnaces in steel making procedure is directly thrown out to the atmosphere via chimney.

True

False

Question 8 of 10

Question 9 of 10

9. Which of the following types of stainless steels contain maximum amount of chromium in it?

Martensitic stainless steels

Precipitation hardenable stainless steels

Duplex stainless steels

Austenitic stainless steels

Question 9 of 10

Question 10 of 10

10. Titanium alloys have melting point greater than that of steels.

True

False

Question 10 of 10