old exam 1 - PART I. MULTIPLE CHOICE & SHORT QUE...

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Unformatted text preview: PART I. MULTIPLE CHOICE & SHORT QUE 1)'Ihc reading from a micrometer in Fig. l is ‘ . —’ 2) The reading from a micrometer in Fig. 2 is (H ‘ ‘ Fig. I: A micmmacr with 2-3 inch range. ‘ 3) The defects in injection molding include: a) Bambooing. die swell. sank nurk, and airtra b) Airtrap. wcldlinc, short shot. and drag flow c} Flashing, sink mink. weldline. and die swcl d) None of the above. 1 ” —_——_{_ 6) Compane the machining characteristic of tool: m of your choice. MW“: '3‘.“ n : - ,1}..ng 4.; (flu-fruit Nil)" ‘3?"1 HAL Fig. 5: Gray cast iron mictostmeture. The dark areas are hite flakes in white irqn matrix. 7) N1in ofcast iron is shown in Fig. 5. mung-iv nfmvn irnn'? PART 1: OPTIONAL PROBLEM (15 point!) Annflmmchinanickcl-baseddloym (90,000pai).Adymmnctamhcdtodncm I. the“ . 0| 1.. Tool Medal: high speed steel Shear angle: 35" Cutting fluid: oil Machine (001 mucky: 1.65 HP Machine tool efficiency: 0.88 UsingSlunilgshowallyom-w'ktoflnd: a) mmimncumspeedindfi b) Mancuniqu at) PIN/var =- fit: x m3 P: c Fa PART 3. PROCESS PLAN (40 points) Figure 7 shows the mbly drawing ofa clunp.’ menueadedholeofhingeBmtihndimmhethro aboxof8x513c1ticimhes. a) SuggestaSpecificmueJ-ialfmthehin‘ b) Prqaareaprocessplantomasspmdu class so fa: Ignore the pan dimension Note: Use a table format. For each stq: you shank slmflnolestoexplaintheslepmndmensketchthc evolving workpiece. No essay. plmse! Materialz? 104$ 401 Mel W 3 l M541 : (‘11le r' clan , W931 .. ...
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This note was uploaded on 03/19/2012 for the course MATH MATH 304 taught by Professor Young during the Spring '09 term at Texas A&M.

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old exam 1 - PART I. MULTIPLE CHOICE & SHORT QUE...

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