Casting, Forming and Welding II Mock Test 6

10%

Question 1 of 10

1. Which of the following defect occurs because of the bending of rolls?

Zipper cracks

Laminations

Alligatoring

Folds

Question 1 of 10

Question 2 of 10

2. Which of the following method is used for making wheel discs?

Open die forging

Press forging

Drop forging

Closed die forging

Question 2 of 10

Question 3 of 10

3. In general, the coefficient of friction is very low in the metal forming processes.

False

True

Question 3 of 10

Question 4 of 10

4. What is the lower range of wavelength of the X-rays?

0.001 x 10^-8 cm

0.001 x 10^-6 cm

0.001 x 10^-5 cm

0.001 x 10^-7 cm

Question 4 of 10

Question 5 of 10

5. Which of the following is not a type of rolling mill?

Separation rolling mill

Two-high rolling mill

Cluster rolling mill

Tandem rolling mill

Question 5 of 10

Question 6 of 10

6. Cold forging causes a reduction in strength of material.

False

True

Question 6 of 10

Question 7 of 10

7. Which of the following process is done above the recrystallization temperature?

Hot forging

Impact forging

Cold forging

Gradual pressure forging

Question 7 of 10

Question 8 of 10

8. Thread rolling has a lot of chip formation.

True

False

Question 8 of 10

Question 9 of 10

9. In which of the following defects is a crown formed?

Folds

Alligatoring

Wavy edges

Laminations

Question 9 of 10

Question 10 of 10

10. In two high rolling mill, if the direction of the rollers is reversed, what is it called?

Two high reversing mill

Two high anti mill

Two high beneath mill

Two high backward mill

Question 10 of 10