Mechanics /
of
/ /
Materials
/ /
Final
/ /
Exam
/ /
Review Questions With Correct Answers
/ // // // //
What /
/is /
/Definable? //- /
/CORRECT /
/ANSWERS(S)✔✔Behavior /
/and /
/characteristic /
/of /
/the /
/materials /
/in /
/different /
/conditions /
/and /
/situations /
/to //be //known //before //design //begins. //Also //know //as //mechanical //properties //of //material.
What /
/is /
/Reliable /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔A /
,/reliable /
/material /
/must /
/have /
/consistent /
/properties //and //be //durable //enough //to //last //its //intended //lifetime //of //application.
What /
/is //
a/
/Workable /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔A /
/workable /
/material /
/must //be //easily //shaped, //handled, //fastened, //connected, //and //so //on //to //enable //construction
//of //various //components //and //structures.
What /
/is /
/an /
/Efficient /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔Efficiency /
/in /
/engineering /
/materials /
/can /
/mean /
/having /
/balance /
/among /
/requirements /
,for //criteria, //for //example //having //a //balance //between //strength //as //well //as //self-
/
weight. //Efficiency //can //also //imply //durability, //ease //of //construction, //and //curing //times.
What /
/is /
/Available /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔An //available //material //is //simply //the //convenience //and //ease //of //acquiring.
What /
/is /
/Economics /
/in /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔Factors /
/that /
/should /
/be /
/considered /
/in /
/the /
/economics /
/include: /
/Availability /
/and /
/cost //of //raw //materials, //manufacturing //costs, //transportation, //placing, //and //maintenance.
What /
/is //
a/
/Sustainable //material? //- //CORRECT //ANSWERS(S)✔✔Sustainable //design //is //the //philosophy //of
//designing /
/physical /
, /objects, /
/the /
/built /
/environment /
/to //comply //with //the //principles //of //economic, //social, //and //ecological //sustainability.
What /
/is //strength? //- //CORRECT //ANSWERS(S)✔✔Strength //of //a //material //is //its //ability //to //withstand
//an /
/applied /
/load /
/without /
/failure /
/or /
/plastic /
/deformation. /
/It /
/considers /
/the //relationship //between //the //external //loads //applied //and //the //resulting //deformation.
What /
/is /
/Deformation? //- /
/CORRECT /
/ANSWERS(S)✔✔Deformation //refers //to //changes //of //the //shape //or //size //of //an //object //due //to
//applied //forces //or //change //in //temperature.
What /
/is /
/an /
/Elastic /
/Behavior? //- /
/CORRECT /
/ANSWERS(S)✔✔An /
/elastic /
of
/ /
Materials
/ /
Final
/ /
Exam
/ /
Review Questions With Correct Answers
/ // // // //
What /
/is /
/Definable? //- /
/CORRECT /
/ANSWERS(S)✔✔Behavior /
/and /
/characteristic /
/of /
/the /
/materials /
/in /
/different /
/conditions /
/and /
/situations /
/to //be //known //before //design //begins. //Also //know //as //mechanical //properties //of //material.
What /
/is /
/Reliable /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔A /
,/reliable /
/material /
/must /
/have /
/consistent /
/properties //and //be //durable //enough //to //last //its //intended //lifetime //of //application.
What /
/is //
a/
/Workable /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔A /
/workable /
/material /
/must //be //easily //shaped, //handled, //fastened, //connected, //and //so //on //to //enable //construction
//of //various //components //and //structures.
What /
/is /
/an /
/Efficient /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔Efficiency /
/in /
/engineering /
/materials /
/can /
/mean /
/having /
/balance /
/among /
/requirements /
,for //criteria, //for //example //having //a //balance //between //strength //as //well //as //self-
/
weight. //Efficiency //can //also //imply //durability, //ease //of //construction, //and //curing //times.
What /
/is /
/Available /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔An //available //material //is //simply //the //convenience //and //ease //of //acquiring.
What /
/is /
/Economics /
/in /
/material? //- /
/CORRECT /
/ANSWERS(S)✔✔Factors /
/that /
/should /
/be /
/considered /
/in /
/the /
/economics /
/include: /
/Availability /
/and /
/cost //of //raw //materials, //manufacturing //costs, //transportation, //placing, //and //maintenance.
What /
/is //
a/
/Sustainable //material? //- //CORRECT //ANSWERS(S)✔✔Sustainable //design //is //the //philosophy //of
//designing /
/physical /
, /objects, /
/the /
/built /
/environment /
/to //comply //with //the //principles //of //economic, //social, //and //ecological //sustainability.
What /
/is //strength? //- //CORRECT //ANSWERS(S)✔✔Strength //of //a //material //is //its //ability //to //withstand
//an /
/applied /
/load /
/without /
/failure /
/or /
/plastic /
/deformation. /
/It /
/considers /
/the //relationship //between //the //external //loads //applied //and //the //resulting //deformation.
What /
/is /
/Deformation? //- /
/CORRECT /
/ANSWERS(S)✔✔Deformation //refers //to //changes //of //the //shape //or //size //of //an //object //due //to
//applied //forces //or //change //in //temperature.
What /
/is /
/an /
/Elastic /
/Behavior? //- /
/CORRECT /
/ANSWERS(S)✔✔An /
/elastic /
