Powder Metallurgy MCQ Questions and Answers | Metallurgical Engineering

A. Increases

B. decreases

C. Both A and B

D. remains same

A. Dendritic

B. Acicular

C. Irregular

D. angular

A. Pressure less compaction process

B. Pressure compaction process

C. Vibratory compaction

D. Cold die compaction

A. only size of powder particles

B. only shape of powder particles

C. only surface area of powder particles

D. size, shape, and surface area of powder particles

A. Perovskites

B. carbides

C. cements

D. glasses

A. High

B. Medium

C. Low

D. Negligible

A. Sintered part

B. Cast part

C. Forging part

D. Welded part

A. 4 to 200

B. 0.300 to 0.003

C. 100 to 2000

D. 5000 to 6000

A. passing molten metal through orifice and cooling it by dropping into water

B. molten metal is forced through a small orifice and broken up by a stream of compressed air

C. the hydrogen reduces the oxide to metallic powder

D. powder of metal is made by ball milling

A. directly proportional to the radius of curvature of the surface

B. equal to the radius of curvature of the surface

C. inversely proportional to the radius of curvature of the surface

D. is independent of the radius of curvature of the surface