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

View solution

Q. Which defect does the following diagram represent?

View solution

Q. Which of these is a Frankel defect?

View solution

Q. Which defect does the following figure depict?

View solution

Q. How can the number of defects be determined?

View solution

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

View solution

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

View solution

Q. Pyroceram has excellent thermal resistance due to its ________

View solution

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

View solution

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

View solution

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

View solution

Q. Ductile fracture occurs due to _______ stress.

View solution

Q. Polymer materials become brittle below ________

View solution

Q. What is the fracture toughness of aluminum alloy?

View solution

Q. What is Gc with reference to Griffith Theory?

View solution

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

View solution

Q. Griffith theory is applicable for ______ materials.

View solution

Q. What is the surface energy of a crack?

View solution

Q. In crystalline materials, fracture occurs normal to crystallographic planes called ___________

View solution

Q. What is the breaking stress of brittle materials?

View solution