112) dye penetrate method is generally used to locate

core defects

surface defect

superficial defects

temporary defects

Answer is:

surface defect

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113) Which of the following statement is true about brittle fracture?

High temperature and low strain rates favor brittle fracture

Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture

Brittle fracture is always preceded by noise

Cup and cone formation is characteristic for brittle materials

Answer is:

Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture

114) Specify the sequence correctly

Grain growth, recrystallisation, stress relief

Stress relief, grain growth, recrystallisation

Stress relief, recrystallisation, grain growth

Grain growth, stress relief, recrystallisation

Answer is:

Stress relief, recrystallisation, grain growth

115) Macro structure of a material is generally examined by

naked eye

optical microscope

metallurgical microscope

X-ray techniques

Answer is:

naked eye

116) Micro structure of a material is generally examined by

naked eye

optical microscope

metallurgical microscope

none of these

Answer is:

optical microscope

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112) dye penetrate method is generally used to locate

surface defect

Engineering Materials MCQ with Answers

Related Engineering Materials MCQ with Answers

113) Which of the following statement is true about brittle fracture?

Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture

114) Specify the sequence correctly

Stress relief, recrystallisation, grain growth

115) Macro structure of a material is generally examined by

naked eye

116) Micro structure of a material is generally examined by

optical microscope

Engineering Materials MCQ with Answers