This set of Mechanical Behaviour Multiple Choice Questions & Answers (MCQs) focuses on “Toughness”. 1. The property of a material which enables it to absorb energy and deform plastically without fracture is ______ a) Stiffness b) Toughness c) Hardness d) Resilience 2. What is the SI unit of tensile toughness? a) N/m b) in.lbf.in-3 c) … Read more
This set of Mechanical Behaviour Multiple Choice Questions & Answers (MCQs) focuses on “Stiffness”. 1. What is the inverse of stiffness? a) Hardness b) Stress c) Flexibility d) Toughness 2. A material’s resistance to elastic deflection is known as ___ a) stiffness b) toughness c) hardness d) elasticity 3. What is the SI unit of … Read more
This set of Mechanical Behaviour Objective Questions & Answers focuses on “Malleability”. 1. The ability of a material to undergo plastic deformation without rupture, when a compressive force is applied, is known as ______ a) Ductility b) Formability c) Compressive strength d) Malleability 2. Which metal has maximum malleability? a) Platinum b) Gold c) Silver … Read more
This set of Mechanical Behaviour Multiple Choice Questions & Answers (MCQs) focuses on “Ductility”. 1. The ability of a material to undergo plastic deformation without fracture when subjected to uniaxial tensile force is ___ a) Ductility b) Malleability c) Tensile Strength d) Yield Strength 2. Which metal has the highest ductility? a) Silver b) Gold … Read more
This set of Mechanical Behaviour Multiple Choice Questions & Answers (MCQs) focuses on “Compressive Strength”. 1. The ability of a material to withstand uniaxial compressive stress without breaking is ______ a) Tensile strength b) Fatigue strength c) Yield strength d) Compressive strength 2. What is the compressive strength of bone? a) 150 MPa b) 400 … Read more
This set of Mechanical Behaviour Multiple Choice Questions & Answers (MCQs) focuses on “Yield Strength”. 1. What is yield strength of Kevlar? a) 1650 MPa b) 1737 MPa c) 3620 MPa d) 3757 MPa 2. What is yield strength of annealed titanium? a) 130 MPa b) 138 MPa c) 450 MPa d) 830 MPa 3. … Read more
This set of Mechanical Behaviour Multiple Choice Questions & Answers (MCQs) focuses on “Tensile Strength”. 1. What is tensile strength of brass? a) 550 MPa b) 220 MPa c) 350 MPa d) 760 MPa 2. Match the following? Material Tensile strength (in MPa) i) Annealed silver p) 15 ii) Rubber q) 33 iii) Brass r) … Read more
This set of Mechanical Behaviour Multiple Choice Questions & Answers (MCQs) focuses on “Volume Imperfections”. 1. Which one of the following, is not volume defect? a) Pore b) Void c) Vacancy d) Blow hole 2. Continuous precipitation is observed in the system ________ a) Fe-C b) Pb-Sn c) Al-Cu d) Al-Mg 3. Cellular precipitation is … Read more
This set of Mechanical Behaviour Multiple Choice Questions & Answers (MCQs) focuses on “Surface Imperfections”. 1. Which one of the following, is not exhibited by atoms present in the free surface? a) Improper coordination number b) Disrupted atomic bonding c) Higher free energy d) Less reactive than atoms present in the material 2. Which property … Read more
This set of Mechanical Behaviour Multiple Choice Questions & Answers (MCQs) focuses on “Line Imperfections”. 1. Which one of the following, is a line imperfection? a) Grain boundary b) Tilt boundary c) Dislocation d) Stacking fault 2. What is the range of dislocation density in pure and unhardened metals? a) 1010 – 1012 m-2 b) … Read more
