The ratio of Bulk modulus to shear modulus for Poisson’s ratio of 0.25 will be
A.3?2
B.5?6
C.1
D.5?3
E.2?3
Category: Strength Of Materials Mcqs
The shear stress required to cause plastic deformation of solid metals is known as
A.Flow stress
B.Proof stress
C.Rupture stress
D.Ultimate stress
E.None of the above
The column with highest equivalent length has
A.Both ends fixed
B.Both ends hinged and pin jointed
C.One end fixed other end hinged
D.None of the above
A vessel is said to be thin walled, when
A.The vessel is made of thin sheets
B.The vessel wall thickness is less than 1 mm
C.The vessel wall thickness is equal to or less than 1/20 of the internal diameter of the vessel
D.The vessel wall thickness is equal to or less than 1/10 of the internal diameter of the above
E.None of the above
The torsional resisting moment of the following section is being considered with identical characteristic parameter. Which section will have maximum torsional resisting moment
A.Circular
B.Hollow circular
C.Square
D.Triangular
E.Hexagonal
A self-supporting steel chimney transmits the lateral forces to the foundation by
A.fixed beam action
B.proposed beam action
C.cantilever action
D.simply supported beam action
The point of contraflexural can exist in a
A.Simply supported beams only
B.Cantilever
C.Beam with overhangs but without any load on the overhanging sections
D.Beam fixed at both ends
E.All of the above
In case of thin walled cylinders the ratio of hoop stress to radial stress is
A.2
C.4
E.None of the above
The safe working pressure for a spherical vessel 1.5 m diameter and 1.5 cm wall thickness with limiting tensile stress of 450 kg/cm2 would be
A.4.5 km/cm3
B.9 kg/cm2
C.18 kg/cm2
D.36 kg/cm2
E.45 kg/cm2
