Engineering Materials Set 2

Mechanical Engineering

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This set of Engineering Materials Multiple Choice Questions & Answers (MCQs) focuses on Engineering Materials Set 2

Q1 | Which of the following is a composite material?
Q2 | A material which undergoes no deformation till its yield point is reached and then it flows at a constant stress is known as
Q3 | In carbon steel castings
Q4 | Nickel is used in
Q5 | In order to improve machinability of steels, the treatment generally done is
Q6 | Induction hardening is the process of
Q7 | Troosite" is obtained when
Q8 | The semi-conductors have electrical conductivities of the following order (ohm-cm-1)
Q9 | Cast iron containing 6.6% carbon is
Q10 | The main alloy for corrosion resistance in stainless steel is
Q11 | A steel having ferrite and pearite is
Q12 | Which variety of copper has the best mechanical strength?
Q13 | Brinell hardness number for nitrided steel is in the range
Q14 | Diamagnetic materials are
Q15 | Gamma iron has
Q16 | Silicon steel is widely used in
Q17 | Moh's scale of hardness has the range
Q18 | The tendency for brittle fracture increases with
Q19 | Preheating of material to be welded is necessary in case of
Q20 | Steel balls for ball bearings are generally made of
Q21 | The process of reheating the hardened steel to some temperature below the critical range, followed by any rate of cooling is known as
Q22 | Delta iron occurs at temperature in the range of
Q23 | Which process is used primarily to obtain surface finish
Q24 | In normalising steel is heated 40-50 C
Q25 | Which of the following metals has high tendency to get work hardened?
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