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Formability MCQ Questions - Mechanical Behaviour & Testing of Materials

Formability MCQs : Here you will find MCQ Questions related to "Formability" in Mechanical Behaviour & Testing of Materials. These Formability MCQ Questions Will help you to improve your Mechanical Behaviour & Testing of Materials knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations

Question 1

_____________ is the ability of a given metal workpiece to undergo plastic deformation without being damaged

A. Fatigue Strength
B. Formability
C. Hardness
D. Creep Strength

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Question 2

Processes affected by the formability of a material include?

A. rolling
B. hydroforming
C. extrusion
D. All of the above

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Question 3

______________________ is a specific material property indicating the ratio between width deformation and thickness deformation in the uniaxial tensile test.

A. lankford coefficient
B. deep coefficient
C. punch coefficient
D. strain coefficient

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Question 4

Formability in sheet metal is characterized using forming limit curves

C. Can be true or false
D. Can not say

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Question 5

A metal with a large elongation has __________ formability

A. bad
B. good
C. depends on metal
D. None of the above

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Question 6

Which instrument is used to measure formability?

A. Universal testing machine
B. Impact testing machine
C. Erichsen machine
D. Fatigue testing machine

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Question 7

What is the reason of orange-peel effect?

A. Impurities
B. Fine grain structure
C. Inclusions
D. Coarse grain structure

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Question 8

______ increases the formability of the metal sheet.

A. Cold working
B. Inclusions
C. Grain coarsening
D. Annealing

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Question 9

The formability of a particular metal depends on the metal’s elongation

A. Yes
B. No
C. Can be yes or no
D. Can not say

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Question 10

What is the value of lankford coefficient (r) for good deep drawable material?

A. <=0
B. <=1
C. <=2
D. <=3

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