Engineering Materials - Part 1 Online Exam Quiz
Engineering Materials - Part 1 GK Quiz. Question and Answers related to Engineering Materials - Part 1. MCQ (Multiple Choice Questions with answers about Engineering Materials - Part 1
Specify the sequence correctly
Options
A : Grain growth, recrystallisation, stress relief
B : Stress relief, grain growth, recrystallisation
C : Stress relief, recrystallisation, grain growth
D : Grain growth, stress relief, recrystallisation
Thermoplastic materials are those materials which
Options
A : are formed into shape under heat and pressure and results in a permanently hard product
B : do not become hard with the application of heat and pressure and no chemical change occurs
C : are flexible and can withstand considerable wear under suitable conditions
D : are used as a friction lining for clutches and brakes
Which of the following material has maximum ductility?
Options
A : Mild steel
B : Copper
C : Nickel
D : Aluminium
An eutectoid steel consists of
Options
A : wholly pearlite
B : wholly austenite
C : pearlite and ferrite
D : pearlite and cementite
Shock resisting steels should have
Options
A : low wear resistance
B : low hardness
C : low tensile strength
D : toughness
Cast iron is a
Options
A : ductile material
B : malleable material
C : brittle material
D : tough material
The hardness is the property of a material due to which it
Options
A : can be drawn into wires
B : breaks with little permanent distortion
C : can cut another metal
D : can be rolled or hammered into thin sheets
Malleable cast iron is produced
Options
A : by adding magnesium to molten cast iron
B : by quick cooling of molten cast iron
C : from white cast iron by annealing process
D : none of these
Smelting is the process of
Options
A : removing the impurities like clay, sand etc. from the iron ore by washing with water
B : expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns
C : reducing the ore with carbon in the presence of a flux
D : all of the above
The percentage of carbon in cast iron varies from
Options
A : 0.1 to 0.5
B : 0.5 to 1
C : 1 to 1.7
D : 1.7 to 4.5
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