CE 336 Exam 1 Question and answers
already passed
What are the objectives or studying materials science of civil engineering
materials? - correct answer ✔1) Selection of proper materials for applications
(we need to understand the behavior / performance of each material)
2) Design of materials for particular applications
What does LCC stand for and what is it? - correct answer ✔Life Cycle Cost -
the total cost of a structure over its entire life cycle
What are the three spheres of sustainability? - correct answer ✔-
Environmental
-Social
-Economic
True or False?
You have to fulfill all three spheres of sustainability to be sustainable - correct
answer ✔True
To build sustainable structures, civil engineers must understand fundamental
_____ and _____ of different building materials - correct answer
✔Properties, behavior
The goal of engineering materials is to design structures and materials to: -
correct answer ✔1) Prevent mechanical failure (stable structures)
2) Resist weathering failure (durable structures)
3) Be environmentally friendly (green structures)
, 4) Minimize cost (economic structures)
What does FEA stand for? - correct answer ✔Finite element analysis
Define elastic - correct answer ✔Deformation will undergo full recovery
Define plastic - correct answer ✔Deformation is permanent
The failure of engineering materials are almost always undesirable because: -
correct answer ✔-Human lives are in jeopardy
-Economic losses
-Interference with products and services
What is a Type I cause of mechanical failure? - correct answer
✔Specification / codes not followed
What is a Type II cause of mechanical failure? - correct answer ✔Theory
available but ignored (not included in code)
What is a Type III cause of mechanical failure? - correct answer
✔Phenomena unknown
Describe fatigue failure - correct answer ✔-Repeated loading results in
propagation of cracks, few micrometers at a time
-Eventually crack becomes large enough to be unstable
-Results in failure of a member or even the entire structure
already passed
What are the objectives or studying materials science of civil engineering
materials? - correct answer ✔1) Selection of proper materials for applications
(we need to understand the behavior / performance of each material)
2) Design of materials for particular applications
What does LCC stand for and what is it? - correct answer ✔Life Cycle Cost -
the total cost of a structure over its entire life cycle
What are the three spheres of sustainability? - correct answer ✔-
Environmental
-Social
-Economic
True or False?
You have to fulfill all three spheres of sustainability to be sustainable - correct
answer ✔True
To build sustainable structures, civil engineers must understand fundamental
_____ and _____ of different building materials - correct answer
✔Properties, behavior
The goal of engineering materials is to design structures and materials to: -
correct answer ✔1) Prevent mechanical failure (stable structures)
2) Resist weathering failure (durable structures)
3) Be environmentally friendly (green structures)
, 4) Minimize cost (economic structures)
What does FEA stand for? - correct answer ✔Finite element analysis
Define elastic - correct answer ✔Deformation will undergo full recovery
Define plastic - correct answer ✔Deformation is permanent
The failure of engineering materials are almost always undesirable because: -
correct answer ✔-Human lives are in jeopardy
-Economic losses
-Interference with products and services
What is a Type I cause of mechanical failure? - correct answer
✔Specification / codes not followed
What is a Type II cause of mechanical failure? - correct answer ✔Theory
available but ignored (not included in code)
What is a Type III cause of mechanical failure? - correct answer
✔Phenomena unknown
Describe fatigue failure - correct answer ✔-Repeated loading results in
propagation of cracks, few micrometers at a time
-Eventually crack becomes large enough to be unstable
-Results in failure of a member or even the entire structure
