InterviewSolution
Saved Bookmarks
InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
What is the value of etching rate, which can be achieved using Chemical milling?(a) 0.001 mm/min(b) 0.025 mm/min(c) 0.050 mm/min(d) 0.075 mm/minThis question was addressed to me in a job interview.I'm obligated to ask this question of CHM in portion Chemical Processes of Advanced Machining |
|
Answer» The correct ANSWER is (c) 0.050 mm/min |
|
| 102. |
What is the range of reagent temperatures used for chemical dissolution in CHM?(a) 12ᵒC to 35ᵒC(b) 37ᵒC to 85ᵒC(c) 90ᵒC to 101ᵒC(d) 121ᵒC to 142ᵒCThis question was posed to me in final exam.Asked question is from Chemical Milling in chapter Chemical Processes of Advanced Machining |
|
Answer» RIGHT choice is (b) 37ᵒC to 85ᵒC The EXPLANATION: The OPTIMUM temperature of reagent USED should range between 37ᵒC to 85ᵒC. |
|
| 103. |
State whether the following statement is true or false about applications of EP.(a) “In EP, removal of hardness and stressed surface layers, reduces life of parts.”(b) True(c) FalseThis question was posed to me in semester exam.This interesting question is from EP-Applications and Limitations topic in division Chemical Processes of Advanced Machining |
|
Answer» Correct option is (b) True |
|
| 104. |
Of the following material removal mechanisms, material is removed by which one in EP?(a) Electrode dissolution(b) Corrosion(c) Abrasion(d) ErosionI had been asked this question in class test.My question is taken from EP-Process Parameters in chapter Chemical Processes of Advanced Machining |
|
Answer» The correct choice is (a) ELECTRODE DISSOLUTION |
|
| 105. |
State whether the following statement is true or false regarding EP.(a) “Fine direction lines are left in EP, like that of abrasive polishing.”(b) True(c) FalseThis question was posed to me in my homework.Query is from Electro Polishing-Introduction in division Chemical Processes of Advanced Machining |
|
Answer» The correct ANSWER is (B) True |
|
| 106. |
Surfaces produced in Electropolishing process possess which of the qualities?(a) Bright(b) Clean(c) Microscopically smooth(d) All of the mentionedThe question was asked in examination.The origin of the question is Electro Polishing-Introduction topic in division Chemical Processes of Advanced Machining |
|
Answer» CORRECT CHOICE is (d) All of the mentioned The best I can explain: Surfaces produced in EP becomes clean, BRIGHT and microscopically smooth. |
|
| 107. |
How is the material removed in Electropolishing process?(a) Anodic dissolution(b) Cathodic dissolution(c) Chemical corrosion(d) Mechanical erosionThis question was addressed to me in exam.Asked question is from Electro Polishing-Introduction in section Chemical Processes of Advanced Machining |
|
Answer» Correct CHOICE is (a) ANODIC dissolution |
|
| 108. |
What is the next step after creating the photo tool and adhering it to work piece using UV light source?(a) Finishing(b) Etching(c) Rinsing and drying(d) None of the mentionedI had been asked this question in homework.My question is from PCM-Process Description in chapter Chemical Processes of Advanced Machining |
|
Answer» Correct choice is (b) ETCHING |
|
| 109. |
What are the advantages when we use Chemical milling process?(a) Weight reduction(b) No burrs(c) No stresses(d) All of the mentionedI had been asked this question during an online interview.This interesting question is from CHM in section Chemical Processes of Advanced Machining |
|
Answer» The correct choice is (d) All of the mentioned |
|
| 110. |
Where are the photo tools applied on the surface of the work piece material?(a) On the top(b) On the bottom(c) All of the mentioned(d) None of the mentionedI had been asked this question in my homework.My enquiry is from PCM-Process Description topic in division Chemical Processes of Advanced Machining |
|
Answer» Right ANSWER is (C) All of the mentioned |
|
| 111. |
Which of the following are the materials used for making maskants?(a) Synthetic materials(b) Rubber materials(c) Polymeric materials(d) All of the mentionedI had been asked this question in a national level competition.The above asked question is from CHM in chapter Chemical Processes of Advanced Machining |
|
Answer» The CORRECT option is (d) All of the MENTIONED |
|
| 112. |
Which of the following are the metals that can be machined using Photo chemical milling?(a) Aluminium(b) Copper(c) Nickel(d) All of the mentionedThe question was asked in class test.Query is from PCM-Applications and Advantages in chapter Chemical Processes of Advanced Machining |
|
Answer» Right option is (d) All of the mentioned |
|
| 113. |
What is the value of thickness of work pieces to be used in PCM?(a) 0.001 – 0.003 mm(b) 0.013 – 1.50 mm(c) 1.50 – 2.35 mm(d) 2.50 – 3.33 mmI got this question during an interview.This intriguing question comes from PCM-Applications and Advantages in chapter Chemical Processes of Advanced Machining |
|
Answer» The CORRECT choice is (B) 0.013 – 1.50 mm |
|
| 114. |
More anodic dissolution takes place at which part of the surface of the work piece?(a) Peaks(b) Valleys(c) Troughs(d) None of the mentionedI had been asked this question during an interview.Question is from Electro Polishing-Introduction topic in portion Chemical Processes of Advanced Machining |
|
Answer» The CORRECT OPTION is (a) Peaks |
|
| 115. |
Which can be used as solutions which develop the photo resists in PCM?(a) Water(b) Alkaline solution(c) Hydrocarbons(d) All of the mentionedThis question was posed to me in examination.Query is from PCM-Process Description in chapter Chemical Processes of Advanced Machining |
|
Answer» Right option is (d) All of the MENTIONED |
|
| 116. |
CHM is used to remove the thin surfaces from forgings and castings, at which time of process?(a) After penetration inspection(b) Prior to penetration inspection(c) At the starting of process(d) At the end of processI have been asked this question by my college professor while I was bunking the class.My doubt stems from CHM-Applications in portion Chemical Processes of Advanced Machining |
|
Answer» The correct answer is (b) Prior to penetration inspection |
|
| 117. |
Which of the following can be eliminated from the surfaces using Chemical milling?(a) Alpha case from Ti-forgings(b) Decarburized layer from low cast alloys(c) Recast layer from machined parts(d) All of the mentionedThe question was asked during an online interview.My question comes from CHM-Applications in division Chemical Processes of Advanced Machining |
|
Answer» The CORRECT option is (d) All of the MENTIONED |
|
| 118. |
Which of the following can be easily removed using Chemical milling process?(a) TiO2 layer(b) Decarburized layer(c) Recast structure(d) All of the mentionedThe question was asked in a job interview.This key question is from CHM topic in chapter Chemical Processes of Advanced Machining |
|
Answer» CORRECT ANSWER is (d) All of the mentioned To ELABORATE: All the layers mentioned above, can be removed USING CHEMICAL milling. |
|
| 119. |
State whether the following statement is true or false about advantages.(a) “Extensive web areas and decorative finishes are not possible using CHM.”(b) True(c) FalseI have been asked this question at a job interview.I'd like to ask this question from CHM in portion Chemical Processes of Advanced Machining |
|
Answer» Correct option is (b) True |
|
| 120. |
Which of the following are can be used as guides for scribing process in Chemical milling?(a) Layout lines(b) Simple templates(c) Fibre glass(d) All of the mentionedI got this question by my college professor while I was bunking the class.I need to ask this question from CHM topic in chapter Chemical Processes of Advanced Machining |
|
Answer» Correct answer is (d) All of the MENTIONED |
|
| 121. |
The depth of cut tolerances increases when machining ____________ depths at high machining rates.(a) Very smaller(b) Smaller(c) Medium(d) LargerThe question was posed to me by my school principal while I was bunking the class.Origin of the question is CHM in portion Chemical Processes of Advanced Machining |
|
Answer» Right choice is (d) Larger |
|
| 122. |
Which of the following are necessary for best surface quality in Chemical milling?(a) Fine grain size and homogenous metallurgy(b) Coarse grain size and heterogeneous metallurgy(c) Fine grain size and heterogeneous metallurgy(d) Coarse grain size and homogenous metallurgyThis question was addressed to me in an interview.The doubt is from CHM topic in section Chemical Processes of Advanced Machining |
|
Answer» CORRECT OPTION is (a) Fine grain SIZE and homogenous metallurgy Best explanation: In CHM, for best surface QUALITY, fine grain size and homogenous metallurgical work piece MUST be required. |
|
| 123. |
Which of the following, are the main uses of etchants applied in Chemical milling?(a) Good surface finish(b) Uniform material removal(c) Control intergranular attack(d) All of the mentionedI got this question in an interview for job.Query is from CHM topic in portion Chemical Processes of Advanced Machining |
|
Answer» Correct ANSWER is (d) All of the mentioned |
|
| 124. |
What are the properties that a maskant used in Chemical milling should possess?(a) Be tough and adhere well(b) Scribe easily(c) Be inert to chemical reagent(d) All of the mentionedThe question was asked in quiz.My question is taken from CHM topic in division Chemical Processes of Advanced Machining |
|
Answer» Right answer is (d) All of the MENTIONED |
|
| 125. |
Of the following, which ratio defines the etch factor?(a) Etching depth to undercut(b) Undercut to etching depth(c) Undercut to mask area(d) Mask area to undercutI have been asked this question during an online interview.I want to ask this question from Chemical Milling topic in section Chemical Processes of Advanced Machining |
|
Answer» Correct choice is (b) UNDERCUT to ETCHING depth |
|
| 126. |
In advanced machining processes, what is the full form of CHM?(a) Chemical machining(b) Chemical manufacturing(c) Chemical milling(d) None of the mentionedI got this question in homework.The doubt is from Chemical Milling in section Chemical Processes of Advanced Machining |
|
Answer» RIGHT choice is (C) Chemical milling The BEST explanation: In ADVANCED MACHINING processes, full form of CHM is Chemical milling. |
|
| 127. |
Which of the following electrolyte, can be used commonly for stainless steel, Cu, Ni and Mg?(a) HCLO4(b) H2PO4(c) H2SO4(d) HNO3The question was asked in class test.The query is from EP-Process Parameters topic in portion Chemical Processes of Advanced Machining |
|
Answer» The correct ANSWER is (B) H2PO4 |
|
| 128. |
Polishing of how many parts can be done using Electropolishing?(a) One part(b) Two parts(c) Multiple parts(d) None of the mentionedThe question was asked during an interview for a job.This is a very interesting question from EP-Applications and Limitations in division Chemical Processes of Advanced Machining |
|
Answer» CORRECT ANSWER is (C) Multiple parts Easiest explanation: Multiple parts can be POLISHED SIMULTANEOUSLY using EP, depending upon the size of parts. |
|
| 129. |
Which of the following come under the components of EP process?(a) Electrolyte solution(b) Dc power supply(c) Work piece(d) All of the mentionedThe question was posed to me in a job interview.I would like to ask this question from Electro Polishing-Introduction topic in portion Chemical Processes of Advanced Machining |
|
Answer» RIGHT option is (d) All of the mentioned The explanation: The EP process components include DC power supply, ELECTROLYTE, electrically charged TERMINALS, of which, one of them is work piece. |
|
| 130. |
When was the process, Photochemical milling is introduced to the machining environment?(a) 1920s(b) 1930s(c) 1950s(d) 1960sThe question was posed to me in examination.I need to ask this question from Photo Chemical Millling-Introduction in chapter Chemical Processes of Advanced Machining |
|
Answer» RIGHT answer is (d) 1960S For EXPLANATION: PCM was introduced to the MACHINING industry in 1960s, as an OFFSHOOT of PCBs. |
|
| 131. |
Which of the following, indicate the accuracy of scribing by Chemical milling process?(a) Unlimited(b) Boundless(c) Infinite(d) None of the mentionedThe question was asked during an interview.I need to ask this question from CHM-Limitations in section Chemical Processes of Advanced Machining |
|
Answer» Correct OPTION is (d) NONE of the mentioned |
|
| 132. |
The absence of residual stresses on the chemically machined surfaces can produce __________ strength.(a) Favorable fatigue(b) Unfavorable fatigue(c) Constructive fatigue(d) None of the mentionedThe question was posed to me by my college director while I was bunking the class.This interesting question is from CHM-Limitations topic in division Chemical Processes of Advanced Machining |
|
Answer» The correct OPTION is (b) Unfavorable fatigue |
|
| 133. |
On which of the following factors, MRR will not be depend on?(a) Chemical uniformity(b) Metallurgical uniformity(c) Frequency uniformity(d) Temperature uniformityI have been asked this question during an online exam.Origin of the question is CHM in division Chemical Processes of Advanced Machining |
|
Answer» CORRECT OPTION is (c) FREQUENCY uniformity The explanation is: Chemical MILLING is independent of frequency distribution. |
|
| 134. |
Electropolishing is more suited for, removal of which of the following defects?(a) Small scratches(b) Imperfections(c) Smoothing(d) All of the mentionedThe question was asked by my school principal while I was bunking the class.This intriguing question comes from EP-Applications and Limitations topic in portion Chemical Processes of Advanced Machining |
|
Answer» Correct answer is (d) All of the mentioned |
|
| 135. |
State whether the following statement is true or false about EP process.(a) “In EP, produced surface possess true crystalline structure without distortion.”(b) True(c) FalseI got this question during an interview.The query is from Electro Polishing-Introduction in division Chemical Processes of Advanced Machining |
|
Answer» The correct choice is (a) “In EP, PRODUCED surface POSSESS true crystalline structure without distortion.” |
|
| 136. |
Which of the following non-metallic materials that can be machined using PCM?(a) Glass(b) Ceramics(c) Some plastics(d) All of the mentionedThis question was posed to me in homework.I'd like to ask this question from PCM-Applications and Advantages in division Chemical Processes of Advanced Machining |
|
Answer» Correct ANSWER is (d) All of the MENTIONED |
|
| 137. |
Which of the following industries use PCM for different applications?(a) Electronic(b) Automotive(c) Telecommunication(d) All of the mentionedI have been asked this question during an online exam.Asked question is from PCM-Applications and Advantages topic in portion Chemical Processes of Advanced Machining |
|
Answer» Correct option is (d) All of the mentioned |
|
| 138. |
In advanced machining process, what is the full form of PCM?(a) Photochemical manufacturing(b) Photochemical machining(c) Photo crystalline manufacturing(d) Photo crystalline machiningI have been asked this question in an interview for internship.This interesting question is from Photo Chemical Millling-Introduction topic in chapter Chemical Processes of Advanced Machining |
|
Answer» CORRECT option is (b) PHOTOCHEMICAL machining Easy explanation: FULL form of PCM in advanced machining processes is Photochemical MILLING. |
|
| 139. |
Which type of metallurgical surfaces are needed in Chemical milling process?(a) Homogenous(b) Heterogeneous(c) Mixture(d) None of the mentionedThis question was posed to me in a job interview.Asked question is from CHM-Limitations in portion Chemical Processes of Advanced Machining |
|
Answer» Right answer is (a) Homogenous |
|
| 140. |
Which of the following factors can change the parameters of etch such as depth, size of hole etc.?(a) Time of etch(b) Type of etchant(c) All of the mentioned(d) None of the mentionedThis question was addressed to me in an internship interview.The above asked question is from PCM-Applications and Advantages in section Chemical Processes of Advanced Machining |
|
Answer» Correct CHOICE is (c) All of the mentioned |
|
| 141. |
State whether the following statement is true or false regarding PCM.(a) “In PCM, etching depth does not depend on the time, a component is immersed in the chemical solution.”(b) True(c) FalseThe question was asked in an interview.I need to ask this question from Photo Chemical Millling-Introduction in chapter Chemical Processes of Advanced Machining |
|
Answer» Correct answer is (b) True |
|
| 142. |
In advanced machining processes, what is the full form of EP?(a) Electro plating(b) Electro polishing(c) Electron pocketing(d) Electrical punchingThe question was asked in unit test.My question is based upon Electro Polishing-Introduction topic in portion Chemical Processes of Advanced Machining |
|
Answer» Correct option is (b) ELECTRO polishing |
|
| 143. |
CHM is used to thin out walls, web and ribs of parts that have been produces by which of the following processes?(a) Forging(b) Casting(c) Sheet metal forming(d) All of the mentionedI got this question in semester exam.Enquiry is from CHM-Applications in portion Chemical Processes of Advanced Machining |
|
Answer» Correct answer is (d) All of the mentioned |
|
| 144. |
State whether the following statement regarding the limitations of CHM.(a) “Welded areas etch, at a rate that is same as base metal.”(b) True(c) FalseI have been asked this question during an online exam.Origin of the question is CHM-Limitations topic in division Chemical Processes of Advanced Machining |
|
Answer» The CORRECT option is (B) True |
|
| 145. |
Simultaneous material removal using Chemical milling, results in which of the following?(a) Improves productivity(b) Reduces wrapping(c) Minimizing part distortion(d) All of the mentionedThe question was posed to me during an interview for a job.My query is from CHM in division Chemical Processes of Advanced Machining |
|
Answer» CORRECT choice is (d) All of the mentioned The explanation: All the factor mentioned above occur, when we use CHEMICAL MILLING for MATERIAL removal. |
|
| 146. |
State whether the following statement is true or false regarding surface finish in CHM.(a) “The surfaces, which are machined using Chemical milling, will have regular lay pattern.”(b) True(c) FalseThis question was addressed to me in an international level competition.The question is from CHM topic in chapter Chemical Processes of Advanced Machining |
|
Answer» The CORRECT option is (B) True |
|
| 147. |
For softer materials, which type of etching rates are obtained?(a) Very low(b) Low(c) Medium(d) HighI have been asked this question during a job interview.The doubt is from CHM in chapter Chemical Processes of Advanced Machining |
|
Answer» Correct answer is (B) Low |
|
| 148. |
Type of mask depends on which of the factor/s, given below?(a) Size of work piece(b) Number of parts(c) Desired resolution(d) All of the mentionedI got this question in an online quiz.The query is from Chemical Milling in portion Chemical Processes of Advanced Machining |
|
Answer» Right choice is (d) All of the MENTIONED |
|
| 149. |
Of the following, which mechanism is used for the removal of material using Chemical milling process?(a) Material Vaporization(b) Chemical dissolution(c) Mechanical erosion(d) Mechanical abrasionThis question was addressed to me in an interview for job.Question is from Chemical Milling in division Chemical Processes of Advanced Machining |
|
Answer» The correct ANSWER is (B) Chemical DISSOLUTION |
|
| 150. |
Which of the following cannot be removed by using Electropolishing process?(a) Scales(b) Distortion(c) Coarse texture(d) BurrsI got this question during an online exam.My doubt stems from EP-Applications and Limitations in chapter Chemical Processes of Advanced Machining |
|
Answer» Right option is (c) COARSE texture |
|