Simple Stresses and Strain

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

• a) Shear stress

• b) Normal stress

• c) Thermal stress

• d) None of the mentioned

Which of these are types of normal stresses?

• a) Tensile and compressive stresses

• b) Tensile and thermal stresses

• c) Shear and bending

• d) Compressive and plane stresses

When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called ____________

• a) Shear stress

• b) Compressive stress

• c) Tensile stress

• d) Transverse stress

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 ____________

• a) Bending stress

• b) Compressive stress

• c) Shear strain

• d) Shear stress

What is the formula for shear stress?

• a) Shear resistance/shear area

• b) Force/unit area

• c) Bending strain/area

• d) Shear stress/length

What will be the unit of compressive stress?

• a) N

• b) N/mm

• c) N/mm²

• d) Nmm

The dimension of strain is?

• a) LT^-2

• b) N/m²

• c) N

• d) Dimensionless

What is tensile strain?

• a) The ratio of change in length to the original length

• b) The ratio of original length to the change in length

• c) The ratio of tensile force to the change in length

• d) The ratio of change in length to the tensile force applied

The property by which a body returns to its original shape after removal of the force is called __________

• a) Plasticity

• b) Elasticity

• c) Ductility

• d) Malleability

10. A member which does not regain its original shape after removal of the load producing deformation is said __________

• a) Plastic

• b) Elastic

• c) Rigid

• d) None of the mentioned