TC304Quiz 06: S.Eng_Bridge 10 734 Student ID #:Period:!@? B$BBA&@AArial#.BB D(B&@A|_____ beams have been used for bridges, boats, and roofs since ancient times. (Note, more than one answer may be possible!)BBCA&@AA. IronBCCA&@A B. StoneB6CCA&@A C. SteelBfCCA&@A D. CopperBC\CA&@AE. WoodCCCACzCCPA_CCC@AhCCCACCcC0BAQuiz 6C`CC8FA@B@DBAStone and wood beams have been used for bridges, boats, and roofs since ancient times. These are much older substances than any of the other options and have been used much longer. ~CCC8FA"?@@@BBCA@A#.BB DtB@AOf the following choices, which is the most important factor in determining the strength of a beam or truss: depth, material, or width? Type in the correct answer below.JCBBB@AdepthBBCB@C@DBARemember that forces act the strongest on the top and bottom of the beam or truss. Therefore, the depth is the most important factor in the strength of a beam or truss. CC%?@@@@&BBC@&@ABBD(B&@AwIf a downward load were being applied to a beam or truss, the bottom portion of the beam or truss would be under _____.pBBCA&@AA. compressionpBCCA&@A B. tensionpBTCDA&@AC. contorsionpBCDA&@A D. isolationBBBA&@A#.\BACA&@C@DBAIf a downward load were being applied to a beam or truss, the bottom portion of the beam or truss would be under tension. The top would be under compression. BxBCA&%?@@B BDtB&@ATrue or False: The primary objective of engineers has been to make a truss as light as possible without making it too flexible and unstable.B BBA&@A#.BBCA&@AA. TrueB5CCA&@A B. FalseGCB@BA@BDBAThis statement is True. BAAA6-16-26-3