Question: The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as_____________?
- 1. The elastic limit
- 2. The proportional limit
- 3. The yield strength
- 4. Modulus of elasticity
Question: The modulus of elasticity is defined as_______________?
- 1. The stress at the proportional limit
- 2. The strain at the proportional limit
- 3. The stress/strain ratio within the proportional limit
- 4. None of the above
Question: Strain is defined as_____________?
- 1. An applied load or force
- 2. A deformation resulting from an applied load
- 3. An external force opposing an applied load
- 4. An internal force opposing an applied load
Question: A good adhesive should possess all of the following EXCEPT________________?
- 1. High adherend wetting
- 2. High contact angle
- 3. Low contact angle
- 4. High flow
Question: In measuring Vickers hardness no. Which of the following is used________________?
- 1. Spherical indenter
- 2. Steel ball indentation
- 3. Rhomboid shaped indenter
- 4. 136-degree diamond pyramid
Question: The simplest alloy is a_______________?
- 1. Solid solution
- 2. Eutectic alloy
- 3. Peritectic allowy
- 4. Ternary alloy
Question: Materials which has high compressive strength and low tensile strength is classified with property of________________?
- 1. Ductility
- 2. Brittleness
- 3. Malleability
- 4. Resilient
Question: Maxwell – Voigt Model is to determine________________?
- 1. Elastic Behaviour
- 2. Plastic Behaviour
- 3. Viscoelastic Behaviour
- 4. All of the above
Question: KHN value of Amalgam is_________________?
- 1. 90
- 2. 343
- 3. 67
- 4. 450
Question: The melting point of silver is_____________?
- 1. 1063° centigrade
- 2. 960° Centigrade
- 3. 850° Centrigrade
- 4. 1123° Centrigrade