It is useful for many exams of Engineering sector like SSC-JE, PSU's and Other Engineering Services
Q1. The property of a material which enables it to be drawn into wires with the application of a tensile force , is called-
(A) Plasticity
(B) Elasticity
(C) Ductility ✔️
(D) Malleability
Q2. Which of the following material has the maximum ductility-
(A) Mild Steel✔️
(B) Copper
(C) Zinc
(D) Aluminium
Q3. The toughness of a material..............when it is heated-
(A) Increases
(B) Decreases✔️
(C) Does not change.
(D) Remain same
Q4. Which of the following property is essential for spring material-
(A) Stiffness
(B) Ductility
(D) Plasticity
Q5. The malleable material should be plastic but is not essential to be so strong.
(A) Agree✔️
(B) Disagree
Q6. The material commonly used for machine tool bodies is-
(A) Mild Steel
(B) Aluminium
(C) Brass
(D) Cast Iron✔️
Q7. The material commonly used in crane hooks is-
(A) Cast iron
(B) Wrought iron✔️
(C) Mild Steel
(D) Aluminium
Q8. The shock resistance of steel is increased by adding-
(A) Nickel
(B) Chromium
(C) Nickel and Chromium✔️
(D) Cobalt and Molybdenum
Q9. The steel commonly used for motorcycle car crankshaft is-
(A) Nickel Steel
(B) Chrome Steel✔️
(C) Nickel Chrome steel
(D) High Speed Steel
Q10. The ball bearing are, usually made from-
(A) Low carbon steel.
(B) High Carbon steel
(C) Medium Carbon steel✔️
(D) High speed steel.
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