Mechanical Metallurgy MCQ Questions and Answers | Metallurgical Engineering

A. P-3, Q-5, R-1

B. P-1, Q-4, R-3

C. P-5, Q-1, R-2

D. P-3, Q-4, R-2

A. decarburisation

B. polishing the surface

C. reducing the grain size

D. shot peening

A. is excess material that has been squirted out of the die

B. is to provide excess temperature to the material

C. helps in filling all the recesses in the die

D. is always of uniform cross-sectional area

A. P-3, Q-1, R-2, S-4

B. P-1, Q-2, R-3, S-4

C. P-4, Q-3, R-2, S-1

D. P-3, Q-1, R-4, S-2

A. bending the part to a smaller than desired radius of curvature

B. bottoming the punch in a die

C. using low temperature bending

D. using high viscosity lubricant

A. P-2, Q-6, R-3, S-1

B. P-5, Q-2, R-1, S-6

C. P-4, Q-6, R-3, S-3

D. P-2, Q-1, R-4, S-5

A. Speed of the extruded material is the same as that of ram speed

B. Redundant work is a function of die angle

C. Relative motion between the billet surface and the container wall is always present

D. Hollow ram is used for indirect extrusion

A. P-2, Q-4, R-1, S-4

B. P-2, Q-4, R-3, S-1

C. P-2, Q-3, R-1, S-4

D. P-4, Q-1, R-2, S-3

A. P-2, Q-3, R-4, S-1

B. P-1, Q-4, R-3, S-2

C. P-3, Q-2, R-1, S-4

D. P-4, Q-1, R-2, S-3

A. 0

B. 60

C. 30

D. 20