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Pure Bending Online Exam Quiz

Important questions about Pure Bending. Pure Bending MCQ questions with answers. Pure Bending exam questions and answers for students and interviews.

Determine section modulus for beam of 100mm diameter.

Options

A : a. 785 × 10³ mm³

B : b. 456 × 10³ mm³

C : c. 87 × 10³ mm³

D : d. 98 × 10³ mm³

Calculate the maximum stress due to Bending in a steel strip of 30 mm thick and 60 mm wide is bent around a circular drum of 3.6 m diameter [Take Young’s modulus = 200kN/m²].

Options

A : a. 2341.76 N/mm²

B : b. 1666.67 N/mm²

C : c. 5411.76 N/mm²

D : d. 4666.67 N/mm²

Find the modulus of section of square beam of size 300×300 mm.

Options

A : a. 4.8 × 10? mm³

B : b. 4.5 × 10? mm³

C : c. 5.6 × 10? mm³

D : d. 4.2 × 10? mm³

In simple bending, ______ is constant.

Options

A : a. Shear force

B : b. Loading

C : c. Deformation

D : d. Bending moment

If a beam is subjected to pure bending, then the deformation of the beam is_____

Options

A : a. Arc of circle

B : b. Triangular

C : c. Trapezoidal

D : d. Rectangular

When a beam is subjected to simple bending, ____________ is the same in both tension and compression for the material.

Options

A : a. Modulus of rigidity

B : b. Modulus of elasticity

C : c. Poisson’s ratio

D : d. Modulus of section

E/R = M/I = f/y is a bending equation.

Options

A : a. True

B : b. False

C : c. May be True or False

D : d. Can't say

Maximum Shearing stress in a beam is at _____

Options

A : a. Neutral axis

B : b. Extreme fibres

C : c. Mid span

D : d. Action of loading

At the neutral axis, bending stress is _____

Options

A : a. Minimum

B : b. Maximum

C : c. Zero

D : d. Constant

Curvature of the beam is __________ to bending moment.

Options

A : a. Equal

B : b. Directly proportion

C : c. Inversely proportion

D : d. Coincides

What are the units of flexural rigidity?

Options

A : a. Nm²

B : b. Nm

C : c. N/m

D : d. m/N³

What are the units for section modulus?

Options

A : a. m²

B : b. m?

C : c. m³

D : d. m

What are the units of axial stiffness?

Options

A : a. m³

B : b. m²

C : c. N/ m

D : d. -m

Calculate the modulus of section of rectangle beam of size 240 mm × 400 mm.

Options

A : a. 5.4 × 10? mm³

B : b. 6.2 × 10? mm³

C : c. 5.5 × 106 mm³

D : d. 6.4 × 10? mm³

What is the product of force and radius?

Options

A : a. Twisting shear

B : b. Turning shear

C : c. Turning moment

D : d. Tilting moment

In simply supported beams, the _____ stress distribution is not uniform.

Options

A : a. Bending

B : b. Shearing

C : c. Tensile

D : d. Compressive

The maximum _________ stresses occur at top most fibre of a simply supported beam.

Options

A : a. Tensile

B : b. Compressive

C : c. Shear

D : d. Bending

The stress is directly proportional to _______

Options

A : a. E

B : b. u

C : c. y

D : d. R

At the extreme fibre, bending stress is______

Options

A : a. Minimum

B : b. Zero

C : c. Constant

D : d. Maximum

The curvature of a beam is equal to _____

Options

A : a. EI/M

B : b. M/E

C : c. M/EI

D : d. E/MI

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