Engineering Materials Set 13

Mechanical Engineering

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This set of Engineering Materials Multiple Choice Questions & Answers (MCQs) focuses on Engineering Materials Set 13

Q1 | The limitations of electroforming are
Q2 | Which of the following is the lightest?
Q3 | Cold shortness is
Q4 | The process of shaping thin metals by pressing it against form while it is rotating is known as
Q5 | Stress concentration occurs when
Q6 | Brinell hardness number of mild steel should expected to be in the range be
Q7 | DIN standards are used in
Q8 | The process of reheating hardened steel to temperature below the lower critical temperature followed by any desired rate of cooling, is known as
Q9 | Gamma iron exists at temperatures in the range
Q10 | Hardness of martensite is about
Q11 | Nitriding is a process for
Q12 | Polyethylene is produced by
Q13 | Which of the following rays are neither deflected by electric field nor by magnetic field?
Q14 | In drop forging the forging is done by
Q15 | The process of austempering results in the formation of
Q16 | Which of the following materials can be used for temperatures upto 500?C?
Q17 | The resistivity of electrical conductors is most affected by
Q18 | The process of adding impurity to a semi-conductor material is called
Q19 | Which of the following material can be used at temperatures above 100?C?
Q20 | Which of the following method cannot be used for thermoplastic materials?
Q21 | Identify the correct statement
Q22 | The process of heating iron base alloys to approzimately 40?C above the critical temperature range followed by cooling to below that range in still air at ordinary temperature is known as
Q23 | Bainiti is a fine maxture of
Q24 | In inverse rate curve
Q25 | In Brinell hardness tests if a soft ball is used for indentation
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