Mechanics of Materials Exam 3 Questions With Correct Answers.

Mechanics /




of
/ /




Materials
/ /




Exam 3 Questions With Correct Answers
/ // // // // //




When //
a/
/rod /


/undergoes //


a/
/torsional /


/load /


/what /


/happens /


/to /


/the /


/radial /


/lines? //- /


/CORRECT /


/ANSWERS(S)✔✔radial /


/lines //will //remain //parallel //and //the //longitudinal //lines //will //be //twisted.




How /
/does /


/the /


/shear /


/vary /


/from //the //center //of //the //cross //section //under //torsion //- //CORRECT //ANSWERS(S)✔✔Linearly




What //are //ways //to //limit //rotation //in //a //rod //- //CORRECT //ANSWERS(S)✔✔Phi //= //TL/JG

, Decrease //T //or //L

Increase //J //or //G



Point /
/where //shear //is //maximum //in //a //rod //under //torsion //- //CORRECT //ANSWERS(S)✔✔the //surface




How //to //calculate //the //angle //of //twist //- //CORRECT //ANSWERS(S)✔✔Phi //= //TL/JG



How /
/to //calculate //shear //- //CORRECT //ANSWERS(S)✔✔T //= //Tc/J //(c //and //p //are //interchangeable)




Conditions /
/used /


/for //a //statically //indeterminate //shaft //- //CORRECT //ANSWERS(S)✔✔compatability //conditions




What /
/direction //is //the //internal //torque //- //CORRECT //ANSWERS(S)✔✔out //of //the //rod //using //RHR




What /
/are /


/shear /


/and /


/moment /


/diagrams? //- //CORRECT //ANSWERS(S)✔✔how //shear //and //moment //vary //along //the //beam




What /
/is /


/the /


/relationship /


/between //the //load, //shear, //and //moment //functions //- //CORRECT //ANSWERS(S)✔✔dM/dx //= //V



dV/dx //= //w