Process Planning And Cost Estimation Set 9

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This set of Process Planning and Cost Estimation Multiple Choice Questions & Answers (MCQs) focuses on Process Planning And Cost Estimation Set 9

Q1 | In which type of extrusion, the die moves toward the unextruded billet?
  • forward
  • indirect
  • hydrostatic
  • impact
Q2 | In which type of extrusion, the billet is smaller in diameter than the chamber?
  • forward
  • indirect
  • hydrostatic
  • impact
Q3 | Scope of automation in foundry process is
  • low
  • high
  • minimum
  • maximum
Q4 | Which of the following is an advantage of the Green sand molding process used in a foundry?
  • appropriate for long production run
  • very low cost process
  • sand is reusable
  • all of the mentioned
Q5 | The                energy consumption is a drawback of the foundry.
  • high
  • optimum
  • intensive
  • low
Q6 | Majority parts in transportation vehicles are made by the foundry processes.
  • true
  • false
Q7 |                              defects in castings cannot be identified easily.
  • internal
  • external
  • chemical
  • metallic
Q8 | The                directional properties are imparted to the castings made in foundries.
  • single
  • double
  • spherical
  • multiple
Q9 | In the foundry, the metal joining process is employed.
  • true
  • false
Q10 | Foundry process is used to make intricate parts.
  • true
  • false
Q11 |              is the speed at which the metal is removed by the tool from the work piece.
  • feed
  • cutting speed
  • depth of cut
  • none of the mentioned
Q12 | Which of the following represents the formula for cutting speed? cs =cutting speed, D= diameter of work, N= rpm.
  • cs = (3.14*d*n)
  • cs = (d*n)
  • cs = (3.14*d)/n
  • none of the mentioned
Q13 |            is the distance the tool advances for each revolution of the work.
  • feed
  • depth of cut
  • metal removal rate
  • none of the mentioned
Q14 | Which of the following is the unit of the feed?
  • mm / minute
  • mm / revolution
  • mm * minute
  • none of the mentioned
Q15 | The depth of cut is the           distance measured from the machined surface to the surface of the work piece, which is uncut.
  • parallel
  • perpendicular
  • at 45 degree
  • none of the mentioned
Q16 | Which of the following represents the formula for the depth of cut? d1=diameter of work surface before machining and d2=diameter of the machined surface
  • d1+d2
  • d1-d2
  • (d1+d2)/2
  • (d1-d2)/2
Q17 | Which of the following represents the unit of metal removal rate?
  • mm/revolution
  • mm*mm/revolution
  • mm*mm*mm/revolution
  • none of the mentioned
Q18 | Which of the following represents the unit for machining time?
  • mm / minute
  • minute / revolution
  • minute
  • none of the mentioned
Q19 | Which of the following represents the formula for the machining time? s=feed of the job per revolution, l=length of the job, n=rpm.
  • l / (s*n)
  • (s*n) / l
  • (l*s) / n
  • none of the mentioned
Q20 | For general purposes, ratio of the depth of cut to the feed varies from           
  • 10:1
  • 1:10
  • 100:1
  • 1:100
Q21 | For lathe operations, work piece can be hold            
  • between centres
  • on mandrel
  • either between centres or on mandrel
  • none of the mentioned
Q22 | Which of the following is used to drive the work piece?
  • carriers
  • catch plates
  • both carriers and catch plates
  • none of the mentioned
Q23 | Drilling is performed by holding the work by a chuck.
  • true
  • false
Q24 | Knurling can be performed by special attachments.
  • true
  • false
Q25 | Taper boring and the under boring can be performed by             
  • centers
  • face plates or angle plates
  • special attachments
  • none of the mentioned