PSAD Flashcards
Within the proportional limit, the stress is
directly proportional to strain.
A. Young’s modulus
B. Hooke’s law
C. Poisson’s ratio
D. Elastic limit
B. Hooke’s law
Which of the following deals with the force at
rest?
A. Kinetic
B. Dynamic
C. Static
D. Momentum
C. Static
It is energy by virtue of velocity?
A. Potential
B. Kinetic
C. Work
D. Momentum
B. Kinetic
The ratio of lateral strain to longitudinal
strain.
A. Poisson’s ratio
B. Elastic limit
C. Young’s modulus
D. Hooke’s law
A. Poisson’s ratio
The total amount of force acting on the object
or body along with the direction of the body.
A. Resultant
B. Equilibrium
C. Impact
D. Impulse
A. Resultant
Within the elastic range, the slope of the
straight line portion of the stress strain curve.
A. Poisson’s ratio
B. Elastic limit
C. Young’s modulus
D. Hooke’s law
C. Young’s modulus
Force generated in bodies in motion?
A. Dynamic
B. Impact
C. Static
D. Impulse
A. Dynamic
Materials having the same composition at any
point?
A. Isotropic
B. Orthotropic
C. Homogenous
D. Plastic
C. Homogenous
The portion of the stress strain curve beyond
which the stress is no longer proportional to
the strain?
A. Elastic limit
B. Ultimate stress
C. Proportional limit
D. Tensile stress
C. Proportional limit
Materials property which enables it to under
large permanent strains before failure?
A. Creep
B. Strain hardening
C. Proportional limit
D. Ductility
D. Ductility
It is the displacement of one level relative to
the level above or below.
A. Story drift
B. Torque
C. Creep
D. Level surface
A. Story drift
If the structure is subjected to a load for a long
period of time, it will continue to deform until
a sudden fracture occurs.
A. Creep
B. Torque
C. Resonance
D. Plasticity
A. Creep
Condition that when there is already a
permanent deformation. It continues to
deform when a minimal load is applied
beyond the elastic range.
A. Plasticity
B. Elastic limit
C. Hardness
D. Ductility
A. Plasticity
If the structure is subjected to a cycle of stress
and , it cause the beam to have sudden
ultimate structure.
A. Malleability
B. Creep
C. Fatigue
D. Stress
C. Fatigue
Occurs when the center of mass and rigidity
do not coincide.
A. Fatigue
B. Torsional shear stress
C. Elastic limit
D. Plasticity
B. Torsional shear stress
Refers to the large amplitude vibration of an
object or system when given impulses at its
natural frequency
A. Kinetic
B. Momentum
C. Resonance
D. Force
A. Kinetic
It is measured by the Richter scale.
A. Ground acceleration
B. Intensity of observed
C. Magnitude of Earthquake
D. Period of Earthquake
C. Magnitude of Earthquake
The material has the same elastic properties
in all directions.
A. Prismatic
B. Isotropic
C. Orthotropic
D. Homogeneous
B. Isotropic
Besides the epicenter, it describes the
location of the earthquake.
A. Focal depth
B. Dip angle
C. Fault line
D. Damage
A. Focal depth
Mechanical or thermal properties are unique
and independent in three mutually
perpendicular directions
A. Isotropic
B. Homogenous
C. Prismatic
D. Orthotropic
D. Orthotropic
Identify the state of stress in a material
described as follows: Stress at failure
A. Yield strength
B. Ultimate strength
C. Rupture strength
D. Proportional limit
C. Rupture strength
Highest ordinate in stress- strain diagram
A. Yield strength
B. Ultimate strength
C. Rupture strength
D. Proportional limit
B. Ultimate strength
An appreciable elongation or yielding of the
material without any corresponding increase
of load.
A. Yield strength
B. Ultimate strength
C. Rupture strength
D. Proportional limit
A. Yield strength
The material composition is the same but its
mechanical properties are different in every
direction.
A. Orthotropic material
B. Isotropic material
C. Elastic material
D. Homogeneous material
A. Orthotropic material
Refers to the tendency of solid materials to
return to their original shape after forces are
applied on them. When the force are removed
the object will return to its initial shape and
size.
A. Buckling
B. Elasticity
C. Yielding
D. Hardening
B. Elasticity
Refers to the stress at which a material
begins to deform plastically.
A. Buckling
B. Elasticity
C. Yielding
D. Hardening
C. Yielding
Tendons are stressed after concrete has
hardened.
A. Relaxation
B. Post tensioning
C. Relaxation
D. Pre tensioning
B. Post tensioning
Tendons are stressed before concrete is
poured.
A. Post tensioning
B. Creep
C. Pre tensioning
D. Relaxation
C. Pre tensioning
The ability of a deformed material body to
return to its original shape and size when the
forces causing the deformation are removed.
A. Elasticity
B. Continuity
C. Plasticity
D. Stiffness
A. Elasticity
The ability of the material to deform under
tensile stress.
A. Malleability
B. Ductility
C. Toughness
D. Resilience
B. Ductility
The ability of material to absorb energy when
it is deformed elasticity, and release that
energy upon unloading.
A. Toughness
B. Stiffness
C. Elasticity
D. Resilience
D. Resilience
The ability of material to absorb and
plastically deform without fracturing.’
A. Toughness
B. Stiffness
C. Elasticity
D. Resilience
A. Toughness
A material having the same strength at any
point.
A. Homogeneous
B. Isotropic
C. Anisotropic
D. Orthotropic
A. Homogeneous
