old exam 2 - PART I MULTIPLE CHOICE& SHORT QUESTIO...

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Unformatted text preview: PART I. MULTIPLE CHOICE & SHORT QUESTIO lthwroadhigfimnamicmmaetinFiglis 1911 2)ThereodingfiomamicmmeterinFig.2is Q, If? Fi.1:Amicmmeierwith2-3inch A 3) Edwin; to Figs. 3a and 3b. the processes to form than I a) .Jl-lcmmingand sunning. \l!) Hamming and curling. c) Lancing and flinging. d) Flmgingand beaming. 4) Smart 8 suitable pmcus to economically carve a dc Am i .1“!- ( .w‘ci\.'r.~w_.,r¢{; ‘ ' I" Fig.5:Weldba 7)Sdecuhebeslwddbad(choosenldtafioml~‘ig. sun m d/UHR A ‘W' 0“;ka Lao! ad 8) “restrain Mdming exponent of land is micafly mm a) hatmaflcwwghhthcumcuflwmghoocffi L‘ h- n.... A.... 2- ‘L; ___.- -_ AL- -JAI‘ Aug-“A isdepoaltedinthewclddfillurodis used with this pmeen for butt-welding of 1040 steel. The filler uterial then conm‘bmeo In 80% of the weld volume. Given: Welding current 25 amp W Electrode size: 02.5 mm (0.098 in) Fl Shielding gas: C02 61 Consuming we of filler rod: 2 We (0. 079 ids) Sectionedweldarea (below surface): 40:13:»2 (0.062 in’)A1 Steel tensile strength: 300 MP: (45 lcsi) St Steel melting point: “00°C (2550‘?) Ul I) Shouldtheelecu'odebeeomtopositiveornegath 2) Calculate thepower density. 3) Calculaetoulhefllosaspereenngeofthepowasou l.) {QCC ”all (a 61%?“ T’Hll‘ivf’" lIXITvVI'N'U .- PART3J’ROCISSPLANgflm Pim7lhomaoctofwdmbol.fiach8-indmmalpul WMWMIWMYMu istoreviullndcsignmdmmofthemeulpam “Moat. I. Succulmfiialfwtlntrwdmdiumwm formuhapemdsin). 2. Premenmehnhmo-pmdm distoolun‘nsonlythnpmnd‘lcuuodinda m. law: the W deans ad m y: waiImHeinny. NmUunublefomemhmyoumsHaheII um.n:mupecificpmcu(uwtiminmmhoot),m slum notes to explain, and than sketch the evolvl WNW-implore! \) Know shad 0.0ntncL(21 who CM Mo‘ {pi-“4' (6' 2) Woe”: Plan i “95:99 I bLflKKCgI‘ (>an f ...
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