Q.1
The percentage reduction in area of a cast iron specimen during tensile test would be of the order of
Q.2
A circular shaft fixed at, A has diameter D for half of its length and diameter D/2 over the other half, as shown in the below figure. If the rotation of B relative to A is 0.1 radian, the rotation of C relative to B will be
Strength of Materials mcq question image
Q.3
In the below figure, the point E represents.
Strength of Materials mcq question image
Q.4
The ductility of the material __________ with the decrease in percentage elongation of a specimen under tensile test.
Q.5
The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight
Q.6
If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to
Q.7
A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce
Q.8
Formula based on IS codes is based on
Q.9
The elasticity of various materials is controlled by its
Q.10
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.
Q.11
The materials having same elastic properties in all directions are called
Q.12
The materials which exhibit the same elastic properties in all directions are called
Q.13
Strain is defined as the ratio of
Q.14
Factor of safety is defined as the ratio of
Q.15
A fletched beam is used to
Q.16
A rectangular beam of length l supported at its two ends carries a central point load W. The maximum deflection occurs
Q.17
The ductility of a material __________ with the increase in percentage reduction in area of a specimen under tensile test.
Q.18
A material capable of absorbing large amount of energy before fracture is known as
Q.19
Young's modulus is defined as the ratio of
Q.20
Modulus of rigidity may be defined as the ratio of
Q.21
Young's modulus may be defined as the ratio of
Q.22
Poisson's ratio is defined as the ratio of
Q.23
The radius of the Mohr’s circle in the given figure is equal to
Strength of Materials mcq question image
Q.24
A simply supported beam of length 'l' carries a point load 'W' at a point C as shown in the below figure. The maximum deflection lies at
Strength of Materials mcq question image
Q.25
In the below figure, curve D represents_________.
Strength of Materials mcq question image
Q.26
In the below figure, __________ represents glass.
Strength of Materials mcq question image
Q.27
When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is
Q.28
A bar of length ‘L’ meters extends by ‘l’ mm under a tensile force of ‘P’. The strain produced in the bar is
Q.29
The weakest section of a diamond riveting is the section which passes through
Q.30
Strain is equal to (where l = Original length, and δl = Change in length)
0 h : 0 m : 1 s