Category Archives: Powder Metallurgy MCQ

This set of Powder Metallurgy Questions & Answers for Exams focuses on “Self Propagating High Temperature Synthesis and Types”. 1. What is the fullform of SHS? a) Standard pressure High-Temperature Synthesis b) Standard pressure Heat-Temperature Synthesis c) Self-propagating Heat-Temperature Synthesis d) Self-propagating High-Temperature Synthesis 2. In ______, a self-sustaining reaction occurs by local ignition in … Read more

This set of Powder Metallurgy written test Questions & Answers focuses on “Characteristics of Atomized Product”. 1. Which of the following factors affect the particle size of atomized powder? a) Nozzle configuration b) Atomizing medium and nozzle configuration c) Properties of metal, atomizing medium and nozzle configuration d) Atomizing medium 2. The empirical equation for … Read more

This set of Powder Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Mechanism and Process Parameters”. 1. Which force fragments the liquid into ligaments in atomization process? a) Tensile force b) Shear force c) Compressive force d) Torque 2. Under which set of conditions is the irregular particle shape obtained? a) Lower surface tension … Read more

This set of Powder Metallurgy Question Paper focuses on “Advantages and Atomization Unit – 2”. 1. The ________ and __________ influence the shape and size of the atomized particles. a) Cooling conditions, surface energy b) Cooling conditions, pressure c) Cooling conditions, surface tension forces d) Surface tension, volume 2. Which of the following factors control … Read more

This set of Powder Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Atomization Unit Advantages – 1”. 1. Which of the following is not an advantage of atomization process? a) Cleanliness b) Processing capability c) Reduced versatility d) Productivity 2. Atomization process is used for production of metal powders of very high melting point. … Read more

This set of Powder Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Atomization and Types”. 1. Which of the following powder production technique involves the use of high-pressure fluid jets? a) Electrolysis b) Reduction c) Atomization d) Cold stream process 2. ______ is used in atomization of metals. a) Hydrogen b) Compressed air c) … Read more

This set of Powder Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Products – Testing and Applications of Bearings”. 1. The radial crushing strength of a bearing is given by _______ a) P=KLT2/(D-T) b) P=KLT2/(T-D) c) P=KDT2/(L-T) d) P=KLT3/(T-D) 2. The ratio of interference to bore closure doesn’t rely on ______ a) density of … Read more

This set of Powder Metallurgy Questions and Answers for Entrance exams focuses on “Production of Porous Bearings – 2”. 1. Resin impregnation of porous bearings makes them _________ a) heat-treatable b) non-heat treatable c) reduces density d) weak 2. Oil impregnation of porous bearings is done for _____ minutes. a) 80 b) 50 c) 30 … Read more

This set of Powder Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Production of Porous Bearings – 1”. 1. _______ are bearings containing bronze or iron powder mixed with graphite. a) Hydrocarbon impregnated b) Oil impregnated c) Plastic impregnated d) Metal impregnated 2. Tin powder is made by _________ a) Atomization b) Electrolysis c) … Read more

This set of Powder Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Production of Sintered, Non Porous Bearings and Composition”. 1. For bronze bearings, the amount of shrinkage _______ as the particle size of powder mix decreases. a) decreases b) increases c) constant d) moderate 2. Which of the following material on addition to … Read more