Strength of Materials MCQs

Strength of Materials MCQs

Our experts have gathered these Strength of Materials MCQs through research, and we hope that you will be able to see how much knowledge base you have for the subject of Strength of Materials by answering these multiple-choice questions.
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1: A beam encastered at both the ends is called

A.   Cantilever beam

B.   Simply supported beam

C.   Fixed beam

D.   Continuous beam

2: The object of caulking in a riveted joint is to make the joint

A.   Free from corrosion

B.   Free from stresses

C.   Stronger in tension

D.   Leak-proof

3: Two shafts 'A' and 'B' transmit the same power. The speed of shaft 'A' is 250 r.p.m. and that of shaft 'B' is 300 r.p.m. The shaft 'B' has the greater diameter.

A.   False

B.   True

4: When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as __________ double cover butt joint.

A.   Single riveted

B.   Double riveted

5: A column that fails due to direct stress, is called

A.   Short column

B.   Medium column

C.   Weak column

D.   Long column

6: The neutral axis of the cross-section a beam is that axis at which the bending stress is

A.   Maximum

B.   Infinity

C.   Minimum

D.   Zero

7: A reinforced cement concrete beam is considered to be made of

A.   Isotropic material

B.   Homogeneous material

C.   Hetrogeneous material

D.   Composite material

8: In compression test, the fracture in cast iron specimen would occur along

A.   The axis of load

B.   Would not occur

C.   At right angles to the axis of specimen

D.   An oblique plane

9: The deformation per unit length is called

A.   Shear stress

B.   Strain

C.   Tensile stress

D.   Compressive stress

10: Strain resetters are used to

A.   Measure linear strain

B.   Relieve strain

C.   Measure volumetric strain

D.   Measure shear strain

11: The thermal stress __________ upon the cross-sectional area of the bar.

A.   Depends

B.   Does not depend

12: Two closely-coiled helical springs 'A' and 'B' of the same matenal, same number of turns and made from same wire are subjected to an axial load W. The mean diameter of spring 'A' is double the mean diameter of spring 'B'. The ratio of deflections in spring 'B' to spring 'A' will be

A.   2

B.   1/8

C.   1/4

D.   4

13: The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.

A.   Equal to

B.   Twice

C.   Four times

D.   One-half

14: The energy stored in a body when strained within elastic limit is known as

A.   Proof resilience

B.   Resilience

C.   Impact energy

D.   Strain energy

15: When a column is subjected to an eccentric load, the stress induced in the column will be

A.   Direct and bending stress both

B.   Direct stress only

C.   Shear stress only

D.   Bending stress only

16: The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and depth but width is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.

A.   Same

B.   Double

C.   Six times

D.   Four times

17: The maximum stress produced in a bar of tapering section is at

A.   Anywhere

B.   Middle

C.   Larger end

D.   Smaller end

18: The point of contraflexure is a point where

A.   Bending moment changes sign

B.   Bending moment is maximum

C.   Shear force is maximum

D.   Shear force changes sign

19: When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the

A.   Top layer

B.   Every cross-section

C.   Bottom layer

D.   Neutral axis

20: The limit of eccentricity is based upon no tension condition.

A.   True

B.   False

21: Metal patterns are used for

A.   Small castings

B.   Large scale production of castings

C.   Large castings

D.   Complicated castings

22: A ____ is an electronic circuit

A.   Voltage limiter

B.   Current limiter

C.   Short circuit

D.   Voltage regulator

23: What is a synonym for "strength of materials"?

A.   Metallurgy

B.   Mechanics of materials

C.   Engineering materials

D.   Properties of materials

E.   Strength of materials

24: What type of school does the study of the behavior of solid objects fall under the field of?

A.   Thermodynamics

B.   Mechanics

C.   Physics

D.   Strength of materials

25: What does the term "strength" mean in materials science?

A.   Height of a material's Young's modulus

B.   Volume of a material

C.   Amount of stress within a material

D.   Size of the material

E.   Ability to withstand an applied load without failure

26: What is the ability of a material to withstand an applied load?

A.   Elasticity

B.   Density

C.   Strength

D.   Toughness

27: What is the unit used to measure stress?

A.   Kilopols

B.   Joules

C.   Pounds per square inch

D.   Millimeters of mercury

E.   Hertz

28: What is the cross-sectional area of an element in tension?

A.   Tension

B.   Pressure

C.   Elongation

D.   Stress

E.   Area

29: A measure of the deformation of the material that is what is it?

A.   Elasticity

B.   Inch

C.   Young's modulus

D.   Dimensionless

E.   Pound

30: What term is used to describe the point on a stress-strain curve at which it begins to deviate from the straight-line relationship between stress and strain?

A.   Critical stress

B.   Maximum stress

C.   Hysteresis

D.   Proportional limit

E.   Linearity

31: What is the maximum stress to which a specimen may be subjected and still return to its original length upon release of the load?

A.   Shear stress

B.   Damage limit

C.   Fracture

D.   Elastic limit

E.   Tensile stress

32: What does it mean for a material to be stressed within the elastic region?

A.   When the strain energy is greater than the elastic limit

B.   When the working stress exceeds the elastic limit

C.   When a permanent deformation occurs

D.   When the working stress does not exceed the elastic limit

E.   When the stress decreases with increasing strain

33: What is a point on a stress-strain curve at which there is a sudden increase in strain?

A.   Elongation point

B.   Yield point

C.   Elastic limit

D.   Hardening point

E.   Fracture

34: What kind of point is yield point?

A.   A point on the yield-fracture line

B.   A physical characteristic of a material

C.   The intersection of the yield and fracture curves

D.   A location on a graph

E.   A point on the stress-strain curve

35: What is the maximum stress that can be applied without permanent deformation of the test specimen?

A.   Yield strength

B.   Ultimate tensile strength

C.   Shear strength

D.   Tensile strength

36: What is the name of the statement that stress is proportional to strain?

A.   Newton's Third Law of Motion

B.   The First Law of Thermodynamics

C.   Hooke's Law

D.   The Law of Vibrations

E.   Laplace's Law

37: What term is used to describe the greatest stress a material can withstand without deforming?

A.   Proportional limit

B.   Ultimate limit

C.   Ultimate strength

D.   Shear stress

E.   Strength limit

38: What does dividing the load at failure by the original cross sectional area determine?

A.   The probability of failure

B.   The likelihood of failure

C.   The number of failure points

D.   The number of failures

E.   The value

39: What does "the maximum stress" mean?

A.   Maximum Calories

B.   Ultimate strength

C.   Maximum effort

D.   The height of Mount Everest

40: What does the ELC describe as the point on the stress-strain curve beyond which the material permanently deforms after removing the load?

A.   Elastic limit

B.   Shear modulus

C.   Ultimate tensile strength

D.   Failure point

41: What type of force is needed to permanently deform the material after removing the load?

A.   Chemical

B.   Nuclear

C.   Inertial

D.   Pushing

E.   Elastic

42: What does yield strength indicate that a material will not return to?

A.   Its porosity

B.   Its width

C.   Its thickness

D.   Its origin shape or length

E.   Its grain size

43: What kind of test determines yield strength?

A.   Alliance

B.   Bending

C.   Shear

D.   Tensile

44: What does the term yield strength refer to?

A.   Point of failure

B.   Maximum stress point

C.   Point at which material exceeds the elastic limit

D.   Maximum stress that a material can withstand

45: Poisson's ratio is used to measure what?

A.   Frequency of earthquakes

B.   Amount of bacteria in a sample

C.   Lateral to longitudinal strain

D.   Amount of blood in an artery

E.   Amount of noise in an image

46: What element in a piece of metal stretches in tension when it is bent?

A.   Metal

B.   Surface

C.   Sheath

D.   Metal Core

47: What is the term for the line or region of zero stress between the two surfaces?

A.   Neutral axis

B.   Interface

C.   Interface line

D.   Perpendicular

E.   Parallel

48: What does the term "neutral axis" mean?

A.   Equal stress for all runs

B.   Equal stress on all axes

C.   Zero stress

49: What occurs when the design stress exceeds the material yield strength?

A.   Crushing

B.   Rupture

C.   Shearing

D.   Yielding

E.   Fracture

50: What is typically maximum surface stress?

A.   Design stress

B.   Shear stress

C.   Ultimate stress