22 + Interview Questions in Material Removal Processes in Advanced Machining Page 1 InterviewSolution

1.	Which of the following is an example of hybrid machining?(a) Ultrasonic Machining(b) Electron Beam Machining(c) Ultrasonic assisted electrochemical machining(d) Laser Beam MachiningThe question was asked in my homework.The question is from Non Traditional Machining in portion Material Removal Processes of Advanced Machining
Answer» Right answer is (c) Ultrasonic assisted ELECTROCHEMICAL machining Explanation: More than one phase is USED to COMBINE to form HYBRID machining.

Discussion

2.	In chemical machining is material removal takes by?(a) Chemical reaction(b) Erosion(c) Electron removal(d) None of the mentionedThe question was posed to me in an interview for job.I need to ask this question from Non Traditional Machining in section Material Removal Processes of Advanced Machining
Answer» RIGHT ANSWER is (a) Chemical reaction The explanation: Chemical machining REMOVES material by chemical REACTIONS.

Discussion

3.	Vacuum is the machining medium for ________(a) LBM(b) WJM(c) EBM(d) None of the mentionedThis question was posed to me in class test.This key question is from Non Traditional Machining topic in division Material Removal Processes of Advanced Machining
Answer» RIGHT option is (a) LBM To explain I WOULD SAY: Vacuum is the medium for Laser Beam Machining and Ion Beam machining.

Discussion

4.	Surface defects that may be occurred during thermal machining are ________(a) Micro cracking(b) Heat affected zones(c) Striations(d) All of the mentionedThe question was posed to me in a national level competition.This intriguing question originated from Non Traditional Machining topic in section Material Removal Processes of Advanced Machining
Answer» RIGHT choice is (d) All of the mentioned Easiest EXPLANATION: During THERMAL machining surfaces defects occur.

Discussion

5.	Sources used in thermal machining are ________(a) Ions(b) Plasma(c) Electrons(d) All of the mentionedI got this question in a national level competition.The doubt is from Non Traditional Machining topic in portion Material Removal Processes of Advanced Machining
Answer» The CORRECT OPTION is (d) All of the mentioned For explanation I would say: Different SOURCES are used to REMOVE the materials accordingly.

Discussion

6.	Which of the following process comes under mechanical machining?(a) USM(b) EDM(c) LBM(d) PAMI have been asked this question during an online exam.This intriguing question originated from Non Traditional Machining topic in portion Material Removal Processes of Advanced Machining
Answer» Right choice is (a) USM For EXPLANATION: USM removes MATERIAL by MECHANICAL erosion.

Discussion

7.	Material in thermal machining is removed by which of the following means?(a) Vaporization(b) Melting(c) Electro-plating(d) All of the mentionedThis question was addressed to me in an online quiz.This interesting question is from Non Traditional Machining topic in chapter Material Removal Processes of Advanced Machining
Answer» CORRECT choice is (d) All of the mentioned To EXPLAIN: In this MACHINING, heat is the source of ENERGY.

Discussion

8.	In mechanical machining, material is removed by ___________(a) Erosion(b) Corrosion(c) Abrasion(d) VaporizationThe question was asked by my school principal while I was bunking the class.This intriguing question originated from Non Traditional Machining topic in section Material Removal Processes of Advanced Machining
Answer» Right ANSWER is (a) Erosion The EXPLANATION: ABRASIVE grains remove MATERIAL by MECHANICAL erosion in USM.

Discussion

9.	Different classifications of Non-traditional machining based on source of energy are ________(a) Mechanical(b) Thermal(c) Chemical and electro-chemical.(d) All of the mentionedThis question was addressed to me during an online interview.My doubt is from Non Traditional Machining topic in section Material Removal Processes of Advanced Machining
Answer» Right CHOICE is (d) All of the MENTIONED The best explanation: It can be CLASSIFIED into the above mentioned categories.

Discussion

10.	In which of the following industries, Non-traditional machining methods play an important role?(a) Automobile(b) Aerospace(c) Medical(d) All of the mentionedI have been asked this question during an interview.Asked question is from Non Traditional Machining in portion Material Removal Processes of Advanced Machining
Answer» Correct OPTION is (d) All of the mentioned For explanation I WOULD say: Non-traditional methods are USED WIDELY in many industries.

Discussion

11.	Non-Traditional machining can also be called as ________(a) Contact Machining(b) Non-contact machining(c) Partial contact machining(d) Half contact machiningThis question was addressed to me during an internship interview.Origin of the question is Non Traditional Machining topic in portion Material Removal Processes of Advanced Machining
Answer» CORRECT option is (b) Non-contact MACHINING Explanation: TOOL and WORK piece are at a distance APART in this type of machining.

Discussion

12.	Non-Traditional machining is recommended when we need which of the following features?(a) Complex shapes(b) High surface quality(c) Low-rigidity structures(d) All of the mentionedThe question was asked by my school teacher while I was bunking the class.My question is taken from Non Traditional Machining in portion Material Removal Processes of Advanced Machining
Answer» Right choice is (d) All of the mentioned The EXPLANATION: For above REQUIREMENTS this MACHINING is used.

Discussion

13.	Abrasive machining is used when __________ is needed.(a) Cutting(b) Roughing(c) Finishing(d) DrillingThe question was asked in a national level competition.My question comes from Traditional Machining topic in section Material Removal Processes of Advanced Machining
Answer» CORRECT CHOICE is (c) Finishing Easiest EXPLANATION: GRAINS are used for finishing.

Discussion

14.	In abrasive machining __________ are used to form the tool.(a) iron particles(b) grains and grits(c) steel alloy particles(d) aluminium particlesI got this question during an online interview.This key question is from Traditional Machining topic in portion Material Removal Processes of Advanced Machining
Answer» The CORRECT choice is (B) GRAINS and grits Best EXPLANATION: Grains are used as abrasive particles.

Discussion

15.	As the temperature is increased, ductility is ___________(a) increased(b) decreased(c) increased and then decreased(d) remains sameI had been asked this question in an international level competition.The doubt is from Traditional Machining in portion Material Removal Processes of Advanced Machining
Answer» RIGHT choice is (a) increased The EXPLANATION is: As TEMPERATURE increases, DUCTILITY of material is ALSO increases.

Discussion

16.	As the temperature increases, what happens to material’s strength?(a) increases(b) decreases(c) increases and then decreases(d) remains sameThis question was posed to me during an interview.Question is from Traditional Machining topic in division Material Removal Processes of Advanced Machining
Answer» Right choice is (b) decreases The EXPLANATION is: As the TEMPERATURE INCREASES, materials lose their STRENGTH.

Discussion

17.	Drilling is used to produce which type of geometry?(a) Slots(b) Holes(c) Profiles(d) KeywaysI had been asked this question in semester exam.Query is from Traditional Machining topic in portion Material Removal Processes of Advanced Machining
Answer» The correct OPTION is (B) Holes For explanation I would say: DRILLING is one of the processes which are used to PRODUCE holes.

Discussion

18.	Shaping and Milling are used to generate which one of the following?(a) Cylindrical surfaces(b) Flat surfaces(c) Irregular surfaces(d) Spherical surfacesI got this question in examination.This intriguing question originated from Traditional Machining topic in division Material Removal Processes of Advanced Machining
Answer» The correct OPTION is (B) FLAT surfaces To ELABORATE: They are used for generation of flat surfaces.

Discussion

19.	Turning is done on which type of surfaces?(a) Flat surfaces(b) Cylindrical surfaces(c) Irregular surfaces(d) Spherical surfacesThe question was posed to me during an online interview.This interesting question is from Traditional Machining in chapter Material Removal Processes of Advanced Machining
Answer» The correct answer is (B) Cylindrical surfaces To ELABORATE: TURNING is generally used to PRODUCE cylindrical surfaces.

Discussion

20.	For machining to take place, tool should be penetrated into work piece to a certain _____________(a) Height(b) Depth(c) Length(d) WidthI had been asked this question in a job interview.I need to ask this question from Traditional Machining in portion Material Removal Processes of Advanced Machining
Answer» CORRECT answer is (B) Depth The best EXPLANATION: CHIPS are removed only when certain depth is GIVEN.

Discussion

21.	Which motion is responsible to determine the geometry of jobs to be machined?(a) Only Motion of tool(b) Only motion of work piece(c) Relative motion between tool and work piece(d) None of the mentionedThis question was posed to me in an online interview.Query is from Traditional Machining in division Material Removal Processes of Advanced Machining
Answer» The correct choice is (c) Relative motion between tool and WORK piece Easy explanation: Relative motion between the above MENTIONED COMPONENTS are required for MACHINING.

Discussion

22.	In traditional machining, which component is made of relatively harder material?(a) Tool(b) Work piece(c) Holding device(d) None of the mentionedThis question was posed to me in a national level competition.The query is from Traditional Machining topic in section Material Removal Processes of Advanced Machining
Answer» Correct option is (a) TOOL To explain I would say: Tool should be harder than WORK piece in order to cut the work piece ACCORDING to the required GEOMETRY.

Discussion

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In chemical machining is material removal takes by?(a) Chemical reaction(b) Erosion(c) Electron removal(d) None of the mentionedThe question was posed to me in an interview for job.I need to ask this question from Non Traditional Machining in section Material Removal Processes of Advanced Machining

Vacuum is the machining medium for ________(a) LBM(b) WJM(c) EBM(d) None of the mentionedThis question was posed to me in class test.This key question is from Non Traditional Machining topic in division Material Removal Processes of Advanced Machining

Sources used in thermal machining are ________(a) Ions(b) Plasma(c) Electrons(d) All of the mentionedI got this question in a national level competition.The doubt is from Non Traditional Machining topic in portion Material Removal Processes of Advanced Machining

Which of the following process comes under mechanical machining?(a) USM(b) EDM(c) LBM(d) PAMI have been asked this question during an online exam.This intriguing question originated from Non Traditional Machining topic in portion Material Removal Processes of Advanced Machining

Abrasive machining is used when __________ is needed.(a) Cutting(b) Roughing(c) Finishing(d) DrillingThe question was asked in a national level competition.My question comes from Traditional Machining topic in section Material Removal Processes of Advanced Machining

As the temperature is increased, ductility is ___________(a) increased(b) decreased(c) increased and then decreased(d) remains sameI had been asked this question in an international level competition.The doubt is from Traditional Machining in portion Material Removal Processes of Advanced Machining

As the temperature increases, what happens to material’s strength?(a) increases(b) decreases(c) increases and then decreases(d) remains sameThis question was posed to me during an interview.Question is from Traditional Machining topic in division Material Removal Processes of Advanced Machining

Drilling is used to produce which type of geometry?(a) Slots(b) Holes(c) Profiles(d) KeywaysI had been asked this question in semester exam.Query is from Traditional Machining topic in portion Material Removal Processes of Advanced Machining

Turning is done on which type of surfaces?(a) Flat surfaces(b) Cylindrical surfaces(c) Irregular surfaces(d) Spherical surfacesThe question was posed to me during an online interview.This interesting question is from Traditional Machining in chapter Material Removal Processes of Advanced Machining

For machining to take place, tool should be penetrated into work piece to a certain _____________(a) Height(b) Depth(c) Length(d) WidthI had been asked this question in a job interview.I need to ask this question from Traditional Machining in portion Material Removal Processes of Advanced Machining