Strength of Materials

In a leaf spring, the length of all the leaves are equal.

• True

• False

• None of the above

A beam supported on more than two supports is called

• simply supported beam

• fixed beam

• overhanging beam

• continuous beam

Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,

• both beams are equally economical

• square beam is more economical

• circular beam is more economical

• none of these

The compression test is carried on __________ materials.

• ductile

• brittle

• malleable

• plastic

When a material is loaded within elastic limit, the material will regain its shape and size when the load is removed.

• Agree

• Disagree

The bending stress in a beam is __________ bending moment

• equal to

• less than

• more than

• directly proportional to

The bending stress in a beam is __________ bending moment

• equal to

• less than

• more than

• directly proportional to

The tensile strength of ductile materials is __________ its compressive strength.

• equal to

• less than

• greater than

• none of the above

The maximum shear stress developed in a beam of circular section is __________ the average shear stress.

• equal to

• 4/3 times

• 1.5 times

• twice

When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress occurs at a section inclined at __________ to the normal of the section.

• 0°

• 30°

• 45°

• 90°