# Section Strength MCQ Questions & Answers

Section Strength MCQs : This section focuses on the "Section Strength". These Multiple Choice Questions (MCQs) should be practiced to improve the Section Strength skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

______ strength is caused by a moment of resistance offered by a section.

A. Shear
B. Flexural
C. Axial
D. Longitudinal

Question 2

A hollow shaft has outside diameter 120 mm and thickness 20 mm. Find the polar moment of inertia (J).

A. 16.36 Ã 106 mm4
B. 14.65 Ã 106 mm4
C. 10.32 Ã 106 mm4
D. 23.18 Ã 106 mm4

Question 3

A rectangular beam 100 mm wide is subjected to a maximum shear force and 50 kN. Find the depth of the beam.

A. 350 mm
B. 185 mm
C. 200 mm
D. 250 mm

Question 4

A Steel rod 200 mm diameter is to be bent into a circular arc section. Find radius of curvature. Take f = 120N/mm2 & E = 2Ã105 N/mm2.

A. 134m
B. 166m
C. 162m
D. 174m

Question 5

Find the moment of resistance of rectangular beam off grid to 40 mm depth 400 mm if the bending stress is 15 N/mm2.

A. 78 kNm
B. 84 kNm
C. 96 kNm
D. 132 kNm

Question 6

The ____ of strongest beam that can be cut out of a circular section of diameter D.

B. Size
C. material
D. cross section

Question 7

The hoop stress is also known as ______

A. Parametrical stress
B. Surface stress
C. Circumferential stress
D. Lateral stress

Question 8

The moment resisting capacity of the cross section of a beam is termed as ______ of the beam.

A. Stiffness
B. Strength
C. Modulus
D. Inertia

Question 9

The moment which resists the external bending is called ______

A. Moment of shear
B. Tolerating moment
C. Moment of resistance
D. Maximum bending moment

Question 10

What is the approximate value of coefficient of linear expansion for steel?

A. 13 Ã 10-66 /°C
B. 11.5 Ã 10-6 /°C
C. 12 Ã 10-6 /°C
D. 16 Ã 10-6 /°C

Question 11

A hollow shaft has outside diameter 120 mm and thickness 20 mm. Find the polar moment of inertia (J).

A. 16.36 × 106 mm4
B. 14.65 × 106 mm4
C. 10.32 × 106 mm4
D. 23.18 × 106 mm4