Explore topic-wise MCQs in Mechanical Engineering Questions.

The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to___________________?

Which of the following stresses can be determined using Mohr's circle method?

If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called__________________?

Principal stress is the magnitude of ________ stress acting on the principal plane.

Maximum shear stress in a triangular section ABC of height H and base B occurs at _________

According to I.S. code in actual design, maximum permissible deflection is limited to _______

Slenderness ratio is the ratio of effective length of column and ________

The actual breaking stress in stress-strain diagram is the ratio of ______

A rigid body has Poisson's ratio equal to _____

The ratio of stress and strain is known as _____

Which stress is induced in a member, when expansion or contraction due to temperature variation is prevented?

Two parallel, equal and opposite forces acting tangentially to the surface of the body is called as _____

The deformation of a material caused due temperature variation develops ______

The thermal stress induced in a steel rod is compressive, if temperature _____

The concavity produced on the beam section about the centre line when downward force acts on it is called as __

In axial thrust diagram, at which point bending moment is zero?

In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is_________________?

During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is___________________?

Which of the following has no unit __________________?

The intensity of stress which causes unit strain is called_______________?

The Young’s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length________________?

According to Coulomb's theory, material subjected to complex stresses fails, if ________ shear stress induced in the material exceeds _______ shear stress at the yield point.

In simple tensile test, when maximum principle stress reaches the value of yield point, the material subjected to complex stresses fail. This theory is called as ________.

Modulus of rigidity is the ratio of ______

The value of elasticity increases, when temperature _____

Which theory gives satisfactory results for brittle materials?

The relation between modulus of elasticity (E), modulus of rigidity (G) and bulk modulus (K) is given as ________

If a composite bar of copper and steel is heated at 120° C, the stress induced in copper bar is _______

The graphical representation of variation of axial load on y axis and position of cross section along x axis is called as _____

Thermal stress is not a function of _____

What is the product of sectional modulus and allowable bending stress called as?

A uniformly distributed load of 20 kN/m acts on a simply supported beam of rectangular cross section of width 20 mm and depth 60 mm. What is the maximum bending stress acting on the beam of 5m?

A circular pipe is subjected to maximum shear force of 60 kN. What is the diameter of the pipe if maximum allowable shear stress is 5 Mpa?

The bending formula is given as _____

Why are shear connectors used?

The ratio of maximum shear stress to average shear stress is 4/3 in _______

The design of a beam is based on strength criteria, if the beam is sufficiently strong to resist _______

The vertical distance between the axis of the beam before and after loading at a point is called as _______

Which of the following relation represents torsional flexibility?

In the relation ( T/J = Gθ/L = τ/ R), the letter G denotes modulus of ______

Stress in the cross section of a shaft at the centre ________

The ratio of effective length and least lateral dimension for short column is _______

The graphical method of Mohr's circle represents shear stress (τ) on ______

What is the shear stress acting along the neutral axis, over a triangular section?

Uniformly varying load between two sections in shear force diagram is represented by ____

The shear stress acting on the neutral axis of a beam is _____

In bending moment diagram, if no load acts between two sections, then it is represented by _______

The average shear stress in a beam of circular section is _______ times the maximum shear stress.

Stress on an object due to sudden load is _________ the stress induced when the load is applied gradually.

In cantilever beam, slope and deflection at free end is _____