Manufacturing Technology (3151912) MCQ

MCQs of Forming and Shaping Processes

MCQ No - 1

The cold working of metals is carried out

(A)

at the recrystallisation temperature

(B)

below the recrystallisation temperature

(C)

above the recrystallisation temperature

(D)

at any temperature


B
MCQ No - 2

Cold working of metal increases

(A)

tensile strength

(B)

yield strength

(C)

hardness

(D)

all of these


D
MCQ No - 3

The hot working of metals is carried out

(A)

at the recrystallisation temperature

(B)

below the recrystallisation temperature

(C)

above the recrystallisation temperature

(D)

at any temperature


C
MCQ No - 4

During hot working of metals

(A)

porosity of the metal is largely eliminated

(B)

grain structure of the metal is refined

(C)

mechanical properties are improved due to refinement of grains

(D)

all of the above


D
MCQ No - 5

The increase in hardness due to cold working is called

(A)

Cold hardening

(B)

Hot hardening

(C)

Work hardening

(D)

Age-hardening


C