verified solutions
The internal resistance to an external force applied to a body is known as:
a. Strain
b. Stress
c. Young's Modulus
d. Ultimate strength
e. Allowable strength. - correct answer ✔✔a
When referring to stress as used in applied mechanics, the value is usually expressed in:
a. Kilopascals
b. Kilowatts
c. Joules
d. Square metres
e. Newtons/metre. - correct answer ✔✔a
The various types of stress measured in the study of applied mechanics are:
a. Radiation, ultrasonic, brittle and ductile
b. Concentrated, simple, uniform and random
c. Tense, counteractive, reactive, centrifugal and opposite
d. Torsional, compressive, uniform, shear and tensile
e. Torsional, compressive, bending, shear and tensile. - correct answer ✔✔e
A load exerted upon rivets will produce a stress type classed as:
a. Bending
b. Shearing
, c. Torsional
d. Compressive
e. Tensile. - correct answer ✔✔b
The amount of deformation compared to the original size of a body, in applied mechanics is, referred to
as:
a. Strain
b. Stress
c. Set
d. Variable
e. Elastic limit. - correct answer ✔✔a
If the amount that a bolt is stretched when subjected to a load is divided by the original length, the ratio
found is classed as:
a. Linear stress
b. Compressive stress
c. Axial stress
d. Linear strain
e. Axial thrust. - correct answer ✔✔d
An I-beam under compressive load is, found to be 0.023 mm shorter than the original length. Given the
original length we can find the:
a. Compressive stress
b. Tensile stress
c. Linear strain
d. Tensile strain
e. Shearing strain. - correct answer ✔✔c
Linear strain measures the change of length per unit length when a force is applied. Which of the
following forces is applied to produce linear strain?