Unconventional Machine Process Set 4

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This set of Unconventional Machine Process (UMP) Multiple Choice Questions & Answers (MCQs) focuses on Unconventional Machine Process Set 4

Q1 | Which of the following materials in Abrasive jet machining can be a health hazard?
  • abrasive grains
  • air carrier
  • silica dust
  • none of the mentioned
Q2 | In AJM, air filters are used to remove which of the following?
  • moisture
  • oil
  • other dust particles
  • all of the mentioned
Q3 | In advanced machining processes, what is the full form of AWJM?
  • automated water jet machining
  • automated water jet manufacturing
  • abrasive water jet machining
  • abrasive water jet manufacturing
Q4 | What are all the types of materials, which can be machined using AWJM?
  • glass
  • ceramics
  • concrete
  • all of the mentioned
Q5 | When compared to the conventional machining, how much times faster, is the Abrasive water jet machining?
  • 5 times
  • 10 times
  • 15 times
  • 20 times
Q6 | What is the percentage of the abrasives and water in the mixture?
  • 20% water and 80% abrasives
  • 80% water and 20% abrasives
  • 30% water and 70% abrasives
  • 70% water and 30% abrasives
Q7 | What are the materials used for abrasives in Abrasive water jet machining?
  • sic
  • corundum
  • glass beads
  • all of the mentioned
Q8 | In the machining system of AWJM, which one accelerates the abrasives to remove material?
  • water only
  • water jet stream
  • feeder
  • none of the mentioned
Q9 | The introduction of compressed air to the water jet enhances the deburring action.
  • true
  • false
Q10 | What is the grain size of abrasive particles, which are often used for Abrasive water jet machining?
  • 0.01 – 0.50 µm
  • 10 – 150 µm
  • 200 – 500 µm
  • 500 – 1000 µm
Q11 | How is the material removed in Abrasive water jet machining?
  • vaporization
  • electron transfer
  • corrosion
  • erosion
Q12 | Which of the following is not the feed mechanism of the abrasives in AWJM?
  • side feed
  • cross feed
  • central feed
  • all of the mentioned
Q13 | In Abrasive water jet machining, how are the abrasives fed into the water jet stream?
  • suspension
  • injection
  • all of the mentioned
  • none of the mentioned
Q14 | What is the use of delivery system in the machining system of AWJM?
  • to deliver colloidal solution
  • to pump water
  • to fed abrasives
  • none of the mentioned
Q15 | Of the following components, which one does not come under the machining system of AWJM?
  • water delivery system
  • transducer
  • cutting nozzles
  • mixing chambers
Q16 | In Abrasive water jet machining, intensifier is used to deliver which type of pressure?
  • very low pressure
  • low pressure
  • medium pressure
  • high pressure
Q17 | In mixing chamber of AWJM, which of the following are mixed?
  • abrasives and colloidal solution
  • abrasives and water jet
  • colloidal and water jet
  • none of the mentioned
Q18 | Of the following, which one is a type of suspension in AWJM?
  • direct pumping
  • indirect pumping
  • bypass pumping
  • all of the mentioned
Q19 | In machining system of AWJM, mixing chamber is immediately followed by which of the following component?
  • focusing tube
  • cutting nozzle
  • intensifier
  • water delivery
Q20 | Which of the following energies are absorbed using the catchers in Abrasive water jet machining?
  • pressure energy
  • kinetic energy of abrasives
  • residual energy
  • all of the mentioned
Q21 | Which of the following are different types of catchers used in AWJM?
  • water basin type
  • submerged steel balls type
  • tib2 type
  • all of the mentioned
Q22 | Which of the following is not a process parameter of Abrasive water jet machining?
  • frequency of vibration
  • orifice diameter
  • pressure
  • stand-off distance
Q23 | Which of the following come under the process parameters of the Abrasive water jet machining?
  • abrasive size
  • machine impact angle
  • traverse speed
  • all of the mentioned
Q24 | 10 – 0.30 mm.
  • 1000 – 1500 bar
  • 1500 – 2500 bar
  • 2500 – 4000 bar
  • 4000 – 10000 bar
Q25 | Surface roughness depends on which of the following parameters in Abrasive water jet machining?
  • work piece material
  • grit size
  • abrasive type
  • all of the mentioned