Basic Machining 2
Quiz by ruben medroso
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25 questions
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- Q1Which of the following steps should not be carried out when lifting?None of the aboveKeep the arms straightLift with arms only and keeping the back hunchedKeep the back straight45s
- Q2Which of the following are not considered a safe practice when operating a vertical milling machine?Never reaching over a revolving cutterUsing a brush to clear away chips and Climb milling on a mill without backlash controlUsing the speeds and feeds appropriate for the machine rigidityStopping the machine before taking any measurements45s
- Q3What safety procedures should be carried out prior to operating a milling machine?Check coolant levelsCheck guards and emergency stops function correctlyCheck digital read out is at zero for all axisCheck metal chip bins are empty30s
- Q4Which part indicates the Knee?CDBA30s
- Q5Which indicates the Quill feed hand lever?CABD45s
- Q6Changing the spindle RPM on a vertical milling machine with variable speed drive should be carried out only?When the machine is running and is cutting with automatic traverse engagedWhen using rapid traverseWhen the machine spindle is runningWhen the machine is stopped45s
- Q7A shaft has a 2" diameter. The milling cutter has a diameter of 0.25". The machinist has touched off the side (not the top) of the shaft and has raised the cutter to clear the part. How far must the table be moved to center the cutTer over the shaft?1.25 inches2.25 inches1.125 inches2.125 inches45s
- Q8The Engineering drawing has symbol shown opposite, represents which type of projection?1st Angle projectionIsometric projectionSectional projection3rd angle projection45s
- Q9A system of tolerance is best described as?The acceptable amount of deviation allowed from a given dimension.The minimum stock allowance for reaming holesThe number of scrap parts allowedThe distance from a given datum face45s
- Q10Why is it important to use a fixed common reference point for dimensioning on drawings and sketches?To avoid misinterpretationTo accommodate tight tolerancesTo give clarity and perspective to the sketchTo eliminate accumulative errors45s
- Q11What type of spindle taper is most commonly used on a Bridgeport milling machine for holding collets?R-8Jarno taperMorse taper5-C45s
- Q12Identify the appropriate drilling operation for cutting a recess for a socket head screw?RecessingSpotfacingCountersinkingCounterboring45s
- Q13Which of the following types of end mills is capable of plunge cutting a hole?Four fluted gashed end millThree fluted gashed end millNone of the aboveTwo fluted end mill30s
- Q14Feed rates for milling machine operations are expressed as?Metres per millimetreInches per revolutionInches per minuteFeet per minute30s
- Q15Figure shows which type of milling cutter?Side & face milling cutterFace milling cutterDouble angle milling cutterShell end mill30s
