Important questions about Stresses in Members. Stresses in Members MCQ questions with answers. Stresses in Members exam questions and answers for students and interviews.

Match the following and give the correct code given in options:

Options

A : a. A – 1 B – 2 C – 4

B : b. A – 1 B – 4 C – 2

C : c. A – 3 B – 1 C – 2

D : d. A – 3 B – 4 C – 1

An axial pull of 35000 N is acting on a bar consisting of two lengths as shown with their respective dimensions. What will be the stresses in the two sections respectively in N/mm² ?

Options

A : a. 111.408 and 49.5146

B : b. 111.408 and 17.85

C : c. 97.465 and 49.5146

D : d. 97.465 and 34.263

An axial pull of 1kN is acting on a bar of consisting two equal lengths as shown but of dia 10cm and 20cm respectively. What will be the stresses in the two sections respectively in N/mm² ?

Options

A : a. 0.127 and 0.0031

B : b. 0.034 and 0.0045

C : c. 0.153 and 0.003

D : d. 0.124 and 0.124

An axial pull of 35000 N on a bar consisting of two lengths as shown with their respective dimensions. What will be the total extension of the bar if the young’s modulus = 2.1 x 10? ?

Options

A : a. 0.153mm

B : b. 0.183mm

C : c. 0.197mm

D : d. 0.188mm

An axial pull of 20 kN on a bar of two equal lengths of 20cm as shown with their respective dimensions. What will be the total extension of the bar if the young’s modulus = 2×10? ?

Options

A : a. 0.200mm

B : b. 0.345mm

C : c. 0.509mm

D : d. 0.486mm

A bar shown in diagram is subjected to load 160kN. If the stress in the middle portion Is limited to 150N/mm², what will be the diameter of the middle portion?

Options

A : a. 3.456 cm

B : b. 3.685 cm

C : c. 4.524 cm

D : d. 4.124 cm

A member ABCD is subjected to points load P?=45kN, P?, P?=450kN and P?=130kN. what will be the value of P necessary for equilibrium?

Options

A : a. 350kN

B : b. 365kN

C : c. 375kN

D : d. 400kN

A tensile rod of 40kN is acting on a rod of diameter 40mm and of length 4m. a bore of diameter 20mm is made centrally on the rod. To what length the rod should be bored so that the total extension will increase 30% under the same tensile load if E = 2×10? N/mm²?

Options

A : a. 2m

B : b. 2.7m

C : c. 3.2m

D : d. 3.6m

A bar is subjected to a tensile load of 150kN. If the stress in the middle portion is limited to 160 N/mm², what will be the diameter of the middle portion of the total elongation of the bar is 0.25cm (E= 2 x 10?)?

Options

A : a. 3cm

B : b. 3.45cm

C : c. 3.85cm

D : d. 4cm

A bar shown in the diagram below is subjected to load 160kN. If the stress in the middle portion Is limited to 150N/mm², what will be the length of the middle portion, if the total elongation of the bar is to be 0.2mm? Take E = 2.1 x 10? N/mm².

Options

A : a. 18.45cm

B : b. 17.24cm

C : c. 16.45cm

D : d. 20.71cm

The stress which acts in a direction perpendicular to the area is called ____________

Options

A : a. Shear stress

B : b. Normal stress

C : c. Thermal stress

D : d. None of the mentioned

Which of these are types of normal stresses?

Options

A : a. Tensile and compressive stresses

B : b. Tensile and thermal stresses

C : c. Shear and bending

D : d. Compressive and plane stresses

In a body loaded under plane stress conditions, what is the number of independent stress components?

Options

A : a. 1

B : b. 2

C : c. 3

D : d. 6

If a bar of large length when held vertically and subjected to a load at its lower end, its won-weight produces additional stress. The maximum stress will be ____________

Options

A : a. At the lower cross-section

B : b. At the built-in upper cross-section

C : c. At the central cross-section

D : d. At every point of the bar

Which type of stress does in a reinforcement bar is taken by the concrete?

Options

A : a. Tensile stress

B : b. Compressive stress

C : c. Shear stress

D : d. Bending stress

A material has a Poisson’s ratio of 0.5. If uniform pressure of 300GPa is applied to that material, What will be the volumetric strain of it?

Options

A : a. 0.50

B : b. 0.20

C : c. 0.25

D : d. Zero

A diagram which shows the variations of the axial load for all sections of the pan of a beam is called ____________

Options

A : a. Bending moment diagram

B : b. Shear force diagram

C : c. Thrust diagram

D : d. Stress diagram

The stress induced in a body, when subjected to two equal and opposite forces which are acting tangentially across the resisting section resulting the shearing of the body across its section is called ____________

Options

A : a. Bending stress

B : b. Compressive stress

C : c. Shear strain

D : d. Shear stress

What is the formula for shear stress?

Options

A : a. Shear resistance/shear area

B : b. Force/unit area

C : c. Bending strain/area

D : d. Shear stress/length

Which of the following stresses are associated with the tightening of a nut on a bolt? P. Crushing and shear stress in threads Q. Bending stress due to the bending of bolt R. Torsional shear stress due to frictional resistance between the nut and the bolt Select the correct answer using the codes given below: