Strain is
A.The change in metals
B.The change in shape and direction in metal
C.The result of load application on a body
D.The change of form produced in a piece by the action of load
E.None of the above
Category: Strength Of Materials Mcqs
A perfect frame has N joints. The number of members should not be less than
A.2N – 1
B.2N – 2
C.2N – 3
D.2N – 5
E.N – 1
In case of non-dilatent materials, the maximum value of Poisson’s ratio is
A.0.25
B.0.33
C.0.47
D.0.5
E.0.6
A column that fails primarily due to direct stress is called
A.Long column
B.Weak column
C.Short column
D.Medium column
E.None of the above
Unsymmetrical bending is said to occur when
A.The beam cross-section is unsymmetrical
B.The shear centre does not coincide with neutral axis
C.The bending moment diagram is unsymmetrical
D.The beam is subjected to thrust in addition to bending moment
E.The beam is subjected to loads that do not lie in a plane containing a principal axis
When a number of loads rest upon a beam, dflection at any point is equal to the sum of the deflections at the point due to each of the loads taken separately. This statement is known as
A.Rankine’s theorem
B.Mohr’s hypothesis
C.Maxwell’s theorem
D.Castigliano’s theorem
E.None of the above
The approximate value of allowable stress for carbon steel under static loading (in kg/cm2) is:
A.500 – 1000
B.4000 – 7500
C.10,000 – 15,000
D.15,000 – 20,000
E.20,000 – 25,000
Two shafts of the same material are subjected to the same torque. If the first shaft is of solid circular section and the second shaft is of hollow section whose internal diameter is 2/3 of the outside diameter, the ratio of weights of hollow shaft to solid shaft would be
A.Less than 0.5
B.Between 0.5 to 0.99
C.1
D.1 to 1.5
E.1.5 to 2
The elongation of a conical bar under its own weight is equal to
A.that of a prismatic bar of the same length
B.one third that of a prismatic bar of the same length
C.One fourth that of a prismatic bar of the same length
D.one sixth that of a prismatic bar of the same length
