This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Aluminium and its Alloys, Zinc and its Alloys”. 1. What is the melting point of pure aluminum? a) 520-600oC b) 600oC c) 800oC d) 950oC 2. What is the tensile strength of aluminum? a) 122.5 GPa b) 220 MPa c) … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Cast Irons”. 1. How much carbon is present in cast irons? a) Less than 0.05% b) Up to 1.5% c) 1.5% to 2% d) More than 2% 2. Cast iron is a _____ alloy. a) Eutectic b) Eutectoid c) Peritectic … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Stainless Steels & Other Steels”. 1. Which is the primary element used for making stainless steel alloy? a) Chromium b) Zirconium c) Vanadium d) Indium 2. Addition of _______ gives stainless steels an austenitic structure. a) Molybdenum b) Carbon c) … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Alloy Steels”. 1. What kind of steel requires definite amounts of other alloying elements? a) Carbon steel b) Alloying steel c) Stainless steel d) Tool steel 2. Which of these is not a function of alloy steels? a) Increases strength … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Fick’s Law, Carbon Steels”. 1. What is the unit of diffusion coefficient? a) mol m-2 s-1 b) mol m-3 c) m2 s-1 d) KJ mol-1 2. What is Fick’s first law of diffusion? a) b) c) d) 3. Which of … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Miscellaneous Properties”. 1. The property of a material that produces an opposing magnetizing force, which removes the preceding magnetizing effect, is called as ___________ a) Permeability b) Coercive force c) Hysteresis d) Superconductivity 2. How is magnetic permeability defined? a) … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Electrical Properties”. 1. What is the attribute of a material which resists the flow of electricity known? a) Conductivity b) Thermoelectricity c) Dielectric strength d) Resistivity 2. How is conductivity of a material defined? a) b) c) d) 3. What … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Thermal Properties”. 1. The response of a material due to the function of heat is known as __________ a) Mechanical property b) Electrical property c) Chemical property d) Thermal property 2. The heat capacity of a material defined as ___________ … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Mechanical Properties”. 1. The tendency of a deformed solid to regain its actual proportions instantly upon unloading known as ______________ a) Perfectly elastic b) Delayed elasticity c) Inelastic effect d) Plasticity 2. How is Young’s modulus of elasticity defined? a) … Read more
