Sublimation is the conversion of a___________________? A. Solid directly to gas B. Gas to liquid and then to soild C. Gas directly to liquid D. Solid to liquid and then to gas

Modulus of elasticity means_______________? A. Rigidity or stiffness of the material B. Ability to be stretched with permanent deformation C. Ductility of a material D. Malleability of the metal

When solid gets wet completely contact angle is______________? A. 90°B. 0° C. 0 – 90° D. >90°

Brinnel hardness number of a dental gold alloy is directly proportional to its______________? A. Tensile strength B. Elongation C. Modulus of elasticity D. Modulus of resilience

Hardness number which does not depend on the ductility of metal_____________? A. KNH B. VHN C. RHN D. BHN

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 limitB. The proportional limit C. The yield strength D. Modulus of elasticity

The modulus of elasticity is defined as_______________? A. The stress at the proportional limit B. The strain at the proportional limitC. The stress/strain ratio within the proportional limit D. None of the above

Strain is defined as_____________? A. An applied load or forceB. A deformation resulting from an applied load C. An external force opposing an applied load D. An internal force opposing an applied load

A good adhesive should possess all of the following EXCEPT________________? A. High adherend wettingB. High contact angle C. Low contact angle D. High flow

In measuring Vickers hardness no. Which of the following is used________________? A. Spherical indenter B. Steel ball indentation C. Rhomboid shaped indenterD. 136-degree diamond pyramid