This set of Mechanical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “ Engineering Materials ”. These questions are chosen from a collection of most authoritative and best reference books on Mechanical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Engineering Materials comprehensively.
Malleable iron
Nodular iron
Spheroidal iron
Grey iron
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Amount of carbon it contains
The shape and distribution of the car-bides in iron
Method of fabrication
Contents of alloying elements
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0.025%
0.26%
0.8%
1.25%
1.7%
Flywheel of steam engine
Cast iron pipes”
Cycle chains
Gas turbine blades
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Nickel
Chromium
Tungsten
Vanadium
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Sulphur, lead, phosphorous
Silicon, aluminium, titanium
Vanadium, aluminium
Chromium, nickel
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Aluminium, copper etc
Nickel, molybdenum etc
Nickel, copper, etc
All of the above
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Silver and some impurities
Refined silver
Nickel, copper and zinc
Nickel and copper
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Mild steel
Cast iron
H.S.S.
High carbon
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Nickel, chromium and iron
Nickel, copper
Nickel, chromium
Nickel, zinc
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Tin, antimony, copper
Tin and copper
Tin and lead
Lead and zinc
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Hardening surface of workpiece to ob-tain hard and wear resistant surface
Heating and cooling rapidly
Increasing hardness throughout
Inducing hardness by continuous process
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Formation of bainite structure
Carburised structure
Martenistic structure
Lamellar layers of carbide distributed throughout the structure
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RC 65
RC 48
RC 57
RC 80
Hot working
Tempering
Normalising
Annealing
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