Mechanical Engineering MCQ

1. Which casting process involves the use of a rotating mold to create cylindrical parts? a) Die castingb) Centrifugal castingc) Shell moldingd) Lost wax molding … Read more

1. Which formula is commonly used to determine the critical load for a column with different end conditions? a) Newton’s formulab) Euler’s formulac) Archimedes’ formulad) … Read more

1. According to the maximum normal stress theory, failure occurs when: a) Shear stress exceeds the maximum allowable valueb) Normal stress exceeds the maximum allowable … Read more

1. What type of stress is primarily responsible for causing torsion in shafts?a) Compressive stressb) Tensile stressc) Shear stressd) Bending stress Answer: c) Shear stressExplanation: … Read more

1. What type of loading does pure bending involve?a) Torsional loadingb) Axial loadingc) Shear loadingd) Bending loading Answer: d) Bending loadingExplanation: Pure bending involves the … Read more

1. Which type of loading causes stresses to act along the longitudinal axis of a structural member? a) Torsional loadingb) Shear loadingc) Axial loadingd) Bending … Read more

1. Which of the following methods is best suited for determining the concentration of carbon (C) in a metal alloy? a) Volumetric analysisb) Gravimetric analysisc) … Read more

1. Which testing method involves applying a pulling force to a material until it breaks? a) Tensile testb) Compression testc) Shear testd) Bend test Answer: … Read more

1. Which heat treatment process involves heating a metal above its critical temperature, followed by rapid quenching to achieve high hardness and strength? a) Annealingb) … Read more

1. Which type of phase diagram represents the relationship between temperature and composition for alloys where two completely soluble components form a single phase?a) Isomorphousb) … Read more