PSAD

Question 1

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

Answer 1

B. Hooke’s law

Question 2

Which of the following deals with the force at
rest?
A. Kinetic
B. Dynamic
C. Static
D. Momentum

Answer 2

C. Static

Question 3

It is energy by virtue of velocity?
A. Potential
B. Kinetic
C. Work
D. Momentum

Answer 3

B. Kinetic

Question 4

The ratio of lateral strain to longitudinal
strain.
A. Poisson’s ratio
B. Elastic limit
C. Young’s modulus
D. Hooke’s law

Answer 4

A. Poisson’s ratio

Question 5

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

Answer 5

A. Resultant

Question 6

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

Answer 6

C. Young’s modulus

Question 7

Force generated in bodies in motion?
A. Dynamic
B. Impact
C. Static
D. Impulse

Answer 7

A. Dynamic

Question 8

Materials having the same composition at any
point?
A. Isotropic
B. Orthotropic
C. Homogenous
D. Plastic

Answer 8

C. Homogenous

Question 9

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

Answer 9

C. Proportional limit

Question 10

Materials property which enables it to under
large permanent strains before failure?
A. Creep
B. Strain hardening
C. Proportional limit
D. Ductility

Answer 10

D. Ductility

Question 11

It is the displacement of one level relative to
the level above or below.
A. Story drift
B. Torque
C. Creep
D. Level surface

Answer 11

A. Story drift

Question 12

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

Answer 12

A. Creep

Question 13

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

Answer 13

A. Plasticity

Question 14

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

Answer 14

C. Fatigue

Question 14

Occurs when the center of mass and rigidity
do not coincide.
A. Fatigue
B. Torsional shear stress
C. Elastic limit
D. Plasticity

Answer 14

B. Torsional shear stress

Question 15

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

Answer 15

A. Kinetic

Question 16

It is measured by the Richter scale.
A. Ground acceleration
B. Intensity of observed
C. Magnitude of Earthquake
D. Period of Earthquake

Answer 16

C. Magnitude of Earthquake

Question 17

The material has the same elastic properties
in all directions.
A. Prismatic
B. Isotropic
C. Orthotropic
D. Homogeneous

Answer 17

B. Isotropic

Question 18

Besides the epicenter, it describes the
location of the earthquake.
A. Focal depth
B. Dip angle
C. Fault line
D. Damage

Answer 18

A. Focal depth

Question 19

Mechanical or thermal properties are unique
and independent in three mutually
perpendicular directions
A. Isotropic
B. Homogenous
C. Prismatic
D. Orthotropic

Answer 19

D. Orthotropic

Question 20

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

Answer 20

C. Rupture strength

Question 21

Highest ordinate in stress- strain diagram
A. Yield strength
B. Ultimate strength
C. Rupture strength
D. Proportional limit

Answer 21

B. Ultimate strength

Question 22

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

Answer 22

A. Yield strength

Question 23

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

Answer 23

A. Orthotropic material

Question 24

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

Answer 24

B. Elasticity

Question 25

Refers to the stress at which a material
begins to deform plastically.
A. Buckling
B. Elasticity
C. Yielding
D. Hardening

Answer 25

C. Yielding

Question 26

Tendons are stressed after concrete has
hardened.
A. Relaxation
B. Post tensioning
C. Relaxation
D. Pre tensioning

Answer 26

B. Post tensioning

Question 27

Tendons are stressed before concrete is
poured.
A. Post tensioning
B. Creep
C. Pre tensioning
D. Relaxation

Answer 27

C. Pre tensioning

Question 28

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

Answer 28

A. Elasticity

Question 29

The ability of the material to deform under
tensile stress.
A. Malleability
B. Ductility
C. Toughness
D. Resilience

Answer 29

B. Ductility

Question 30

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

Answer 30

D. Resilience

Question 31

The ability of material to absorb and
plastically deform without fracturing.’
A. Toughness
B. Stiffness
C. Elasticity
D. Resilience

Answer 31

A. Toughness

Question 32

A material having the same strength at any
point.
A. Homogeneous
B. Isotropic
C. Anisotropic
D. Orthotropic

Answer 32

A. Homogeneous