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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