Q. Griffith theory is applicable for ______ materials.

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Q. The fracture resistance of a material is defined as its ________

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Q. What is Gc with reference to Griffith Theory?

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Q. What is the fracture toughness of aluminum alloy?

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Q. Polymer materials become brittle below ________

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Q. Ductile fracture occurs due to _______ stress.

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Q. The rate of crack propagation in brittle fracture is _______

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Q. Which of the following can be applied to prevent ductile fracture?

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Q. Which of the following is not applicable for prevention of fatigue fracture?

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Q. Pyroceram has excellent thermal resistance due to its ________

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Q. __________ can be added to steels to prevent intergranular failure.

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Q. Which of the following must not be used to prevent fatigue fracture?

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Q. How can the number of defects be determined?

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Q. Which defect does the following figure depict?

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Q. Which of these is a Frankel defect?

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Q. Which defect does the following diagram represent?

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Q. The potential of metal in nonstandard conditions is given by _________

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Q. The maximum stress at the tip of the crack is defined by _________

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