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SSC-JE ME || Strength of Materials Quiz - 9

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Question 1

Match List I with List II and select the correct answer using the codes given below the lists:
List I (Property)
(A). Tensile strength
(B). Impact strength
(C). Bending strength
(D). Fatigue strength
List II (Testing Machine)
(1). Rotating Bending Machine
(2). Three-Point Loading Machine
(3). Universal Testing Machine
(4). Izod Testing Machine

Question 2

In a hardness test, L is load in kg, D is diameter of ball in mm and d is diameter of indentation in mm. Brinell Hardness Number is expressed by the equation

Question 3

The “Jominy test” is used to find

Question 4

Assertion: Tension test is conducted on ductile material to find their strength.
Reason: Brittle materials fail more easily in compression than tension.

Question 5

Load applied in C-scale of Rockwell hardness test is ______ kgf

Question 6

In Vickers hardness test method, the shape of indenter is

Question 7

Which one of the following pairs of tests has been developed to evaluate the fracture resistance of engineering materials, subjected to dynamic loads or impacts?

Question 8

A hypothetical engineering stress-strain curve shown in the figure has three straight lines PQ, QR, RS with coordinates P(0,0), Q(0.2,100), R(0.6,140) and S(0.8,130). 'Q' is the yield point, 'R' is the UTS point and 'S' the fracture point.

The toughness of the material [in MJ/m³] is __________

Question 9

The impact strength of a material is an index of its _______.

Question 10

Match list-I with List-II and select the correct answer using the codes given below the list:

List –I

(Material properties)

A) Ductility

B) Toughness

C) Endurance limit

D) Resistance to penetration

List-II

(Test to determine properties)

1) Impact test

2) Fatigue test

3) Tension test

4) Hardness test

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