This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “CNC Machining”. 1. In machining of a workpiece, the material is removed by_____ a) drilling action b) melting action c) shearing acting d) using brittleness of the material 2. The depth that the tool is plunged into the surface is called as
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Quenching”. 1. Quenching is the process of _______ a) rapid cooling b) slow cooling c) rapid heating d) slow heating 2. Quenching medium is decided on the basis of ______ a) weight of the specimen b) material of the specimen c) thickness
This set of Manufacturing Processes Questions & Answers for Exams focuses on “Hardening – 2”. 1. How many types of hardening processes are commonly used? a) 3 b) 5 c) 6 d) 7 2. Which of the following is not the purpose of the surface hardening? a) To improve wear resistance b) To increase fatigue
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Hardening – 1”. 1. How many types of hardening techniques are there? a) 2 b) 3 c) 4 d) 5 2. In conventional hardening of hypereutectoid steels, the component is heated above _____ a) 228⁰C b) 363⁰C c) 585⁰C d) 738⁰C 3.
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Normalizing & Tempering”. 1. In normalizing of hypoeutectoid steel, the component is heated to a temperature above _____ a) 535⁰C b) 610⁰C c) 800⁰C d) 910⁰C 2. In normalizing, components are cooled _____ a) using water b) using oil c) in still
This set of Tough Manufacturing Processes Questions and Answers focuses on “Annealing – 12”. 1. In thermal cycling stage of spheroidised annealing transforms _____ to ______ a) austenite to perlite b) cementite to carbide c) cementite from perlite to spheroidal d) cementite from ferrite to spheroidal 2. Spheroidised annealing is used for ______ a) medium
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Annealing – 11”. 1. For which of the following purposes, annealing is not done? a) Homogenization b) Recrystallization c) Stress relieving d) Decreasing brittleness 2. Depending upon the ______ under which it is performed, annealing eliminates chemical or physical non-homogeneity. a) humidity
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Annealing – 10”. 1. Temperature dependence of the grain-growth can be explained by ______ a) recrystallization theory b) planks theory c) assuming that grain boundaries brake due to thermal vibrations d) strain energy theory 2. The presence of foreign particles _____ a)
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Annealing – 9”. 1. Grain cells having number of sides _____ have grain walls which are concave inwards. a) >3 b) <6 c) <8 d) >5 2. Grain cells with _____ sides are unstable. a) <3 b) >8 c) <6 d) >10
This set of Manufacturing Processes Objective Questions & Answers focuses on “Annealing – 8”. 1. The ratio of ______ is frequently used in the interpretation of recrystallization data. b) yield strength of test specimen and standard specimen b) temperature and time b) rate of nucleation and rate of growth d) rate of recrystallization and polygonization
