Which of the following hardness test is a micro hardness test ?

Related Mcqs:

A material behaves in certain ways above and below the proportional limit on a stress strin curve, which of the following is correct______________?

A. Above the proportional limit a material function in a plastic manner, while below the proportional limit it behaves as an elastic B. Above the proportional limit a material functions in an elastic manner, while below the proportional limit it behaves as an plastic C. Either A or B D. Neither A or B...

Etching of dentin does not include_____________?

A. Removal of smear layer B. Exposure of collagen fibers C. Opening of dentinal tubules D. Increases surface energy...

The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as_____________?

A. The elastic limit B. The proportional limit C. The yield strength D. Modulus of elasticity...

A restorative material which has a high proportional limit, compared with one with a lower proportional limit would have________________?

A. Greater ductility B. Greater toughness C. A higher modulus of elasticity D. A higher modulus of elasticity E. More resistance to permanent deformation...

The forces that hold atoms together are called_____________?

A. Primary forces B. Secondary forces C. Cohesive forces D. Ionic forces...