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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.
| 151. |
What is the value of energy required for bond breaking?(a) 10 to 20kV(b) 20 to 30kV(c) 30 to 40kV(d) 40 to 50kVThe question was asked during an interview for a job.This interesting question is from EBM-Applications, Advantages and Disadvantages in portion Thermal Processes of Advanced Machining |
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Answer» Right CHOICE is (a) 10 to 20kV |
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| 152. |
What is the full form of EBM in the advanced machining processes?(a) Electro blast manufacturing(b) Electron beam machining(c) Electron beam manufacturing(d) Electron blast manufacturingI have been asked this question in homework.My doubt is from Electronbeam Machining-Introduction, Equipment and Material removal in division Thermal Processes of Advanced Machining |
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Answer» RIGHT answer is (b) Electron BEAM machining To explain I would say: The FULL FORM of EBM is Electron beam machining in the advanced machining processes. |
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| 153. |
How the grooves in grinding wheels are produced using laser?(a) Evaporation(b) Damage of composite(c) Evaporation & Damage of composite(d) None of the mentionedI have been asked this question during an interview for a job.This interesting question is from LBM-Applications topic in section Thermal Processes of Advanced Machining |
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Answer» Correct answer is (C) Evaporation & Damage of composite |
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| 154. |
State whether the following statement is true regarding the texturing in LBT.(a) “In LBT, hardness of the material is a limitation to the process.”(b) True(c) FalseI got this question in my homework.I'm obligated to ask this question of LBM-Applications topic in portion Thermal Processes of Advanced Machining |
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Answer» RIGHT option is (b) True To EXPLAIN I would say: In Laser beam texturing, hardness of material is not a LIMITATION to the PROCESS. |
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| 155. |
The roll is _________ and the laser beam is moved ________ along the roll.(a) Stationary, axially(b) Stationary, perpendicularly(c) Rotated, axially(d) Rotated, perpendicularlyI got this question in a national level competition.My question is from LBM-Applications in division Thermal Processes of Advanced Machining |
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Answer» Right CHOICE is (c) Rotated, AXIALLY |
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| 156. |
How are minimum energies required for plastics when compared to that required for metals?(a) Lower than(b) Higher than(c) Same as(d) None of the mentionedThe question was posed to me by my college professor while I was bunking the class.I'd like to ask this question from LBM-Material Removal topic in section Thermal Processes of Advanced Machining |
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Answer» RIGHT option is (a) LOWER than To EXPLAIN: The minimum energies required for PLASTIC are lower than that required for metals. |
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| 157. |
What happens to the cutting speed with an increase in the work piece?(a) Increases(b) Decreases(c) Enhances(d) Remains sameI had been asked this question in exam.This intriguing question comes from LBM-Applications in chapter Thermal Processes of Advanced Machining |
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Answer» CORRECT option is (B) Decreases For EXPLANATION I would say: The cutting speed of the process of drilling decreases with an INCREASE in the thickness of the WORK piece material. |
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| 158. |
What are pulse duration values used for laser drilling?(a) 0.01 to 0.25 ms(b) 0.1 to 2.5 ms(c) 1 to 25 ms(d) 10 to 250 msI got this question in an interview for internship.This interesting question is from LBM-Applications in chapter Thermal Processes of Advanced Machining |
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Answer» Correct CHOICE is (B) 0.1 to 2.5 ms |
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| 159. |
Which of the following are the applications of Laser Beam Machining?(a) Drilling(b) Cutting(c) Texturing(d) All of the mentionedI got this question by my school principal while I was bunking the class.My question is from LBM-Applications topic in portion Thermal Processes of Advanced Machining |
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Answer» Right choice is (d) All of the mentioned |
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| 160. |
What happens to the material removal rate when reflectivity is higher?(a) Will decrease(b) Will increase(c) Will enhance(d) Remains sameThe question was posed to me in semester exam.My doubt stems from LBM-Material Removal in section Thermal Processes of Advanced Machining |
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Answer» The correct choice is (a) Will decrease |
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| 161. |
What happens to the process efficiency if plasma plumes are formed in LBM?(a) Increases(b) Enhances(c) Decreases(d) ImprovesI have been asked this question in homework.The query is from LBM-Material Removal in chapter Thermal Processes of Advanced Machining |
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Answer» The correct ANSWER is (c) Decreases |
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| 162. |
What is the material removal mechanism of Laser beam machining process?(a) Melt and evaporate(b) Electro chemical corrosion(c) Mechanical erosion of materials(d) Electro chemical dissolutionThe question was asked during an internship interview.My query is from LBM-Material Removal in section Thermal Processes of Advanced Machining |
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Answer» Correct choice is (a) Melt and evaporate |
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| 163. |
What is the wavelength value of Ruby laser used in Laser beam machining?(a) 633 nm(b) 694 nm(c) 856 nm(d) 1064 nmThis question was addressed to me during an online interview.This interesting question is from Laser Beam Machining-Introduction in portion Thermal Processes of Advanced Machining |
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Answer» Correct answer is (B) 694 nm |
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| 164. |
What are the values of overcuts left behind after drilling of work piece?(a) 0.01 to 0.05 mm(b) 0.1 to 0.5 mm(c) 1 to 5 mm(d) 10 to 15 mmI got this question in an international level competition.My question is from EDM-Applications topic in portion Thermal Processes of Advanced Machining |
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Answer» Right answer is (a) 0.01 to 0.05 mm |
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| 165. |
State whether the following statement is true or false regarding the surface roughness in EDM.(a) “In EDM, graphite electrodes produce smoother surfaces than metal ones.”(b) True(c) FalseI got this question during an interview for a job.Asked question is from EDM-Surface Integrity topic in portion Thermal Processes of Advanced Machining |
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Answer» The CORRECT answer is (b) True |
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| 166. |
Which of the following are the main requirements of dielectric fluids?(a) Viscosity(b) High flash point(c) Minimum odour(d) All of the mentionedI had been asked this question in an international level competition.This intriguing question comes from EDM-Machining System topic in chapter Thermal Processes of Advanced Machining |
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Answer» The correct option is (d) All of the mentioned |
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| 167. |
After the explosion is over, how is the debris carried away?(a) Evaporation(b) Fresh dielectric(c) Old dielectric(d) All of the mentionedI got this question in exam.Question is taken from EDM-Mechanism of Material Removal in division Thermal Processes of Advanced Machining |
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Answer» The correct OPTION is (B) Fresh dielectric |
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| 168. |
At the end of pulse, super-heated metal evaporates _______________(a) Explosively(b) Normally(c) Periodically(d) OccasionallyI got this question in an internship interview.This interesting question is from EDM-Mechanism of Material Removal in division Thermal Processes of Advanced Machining |
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Answer» Correct OPTION is (a) Explosively |
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| 169. |
How much amount of burr is produced in this process?(a) 10 %(b) 40 %(c) 70 %(d) No burrI had been asked this question in semester exam.My doubt is from Electro Discharge Machining-Introduction in portion Thermal Processes of Advanced Machining |
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Answer» The CORRECT option is (d) No burr |
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| 170. |
Cavities with, which of the following factors can be produced using Electro discharge machining?(a) Thin walls(b) Fine features(c) Thin walls & Fine features(d) None of the mentionedI had been asked this question by my school principal while I was bunking the class.My enquiry is from Electro Discharge Machining-Introduction topic in section Thermal Processes of Advanced Machining |
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Answer» Right answer is (c) THIN WALLS & Fine FEATURES |
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| 171. |
Machining speeds have gone up to how many times after the invention of EDM?(a) Ten(b) Twenty(c) Thirty(d) FiftyI have been asked this question in final exam.I need to ask this question from Electro Discharge Machining-Introduction topic in section Thermal Processes of Advanced Machining |
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Answer» RIGHT choice is (B) Twenty The explanation: Machining speeds have GONE up to 20 times after the INVENTION of EDM. |
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| 172. |
How much amount of energies are required for removal of oxide layers?(a) Small(b) Larger(c) Moderate(d) All of the mentionedThe question was asked in an online interview.This is a very interesting question from IBM-Surface effects and Applications topic in division Thermal Processes of Advanced Machining |
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Answer» Correct CHOICE is (B) Larger |
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| 173. |
What are the dimensions that can machined on IBM?(a) 0.1 to 1 nm(b) 1 to 10 nm(c) 10 to 100 nm(d) 100 to 1000 nmThe question was posed to me in final exam.My doubt stems from IBM-Surface effects and Applications topic in section Thermal Processes of Advanced Machining |
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Answer» Right option is (C) 10 to 100 nm |
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| 174. |
How much amount of energy is required for machining using PBM?(a) Low(b) Moderate(c) High(d) Very highI had been asked this question in an international level competition.The above asked question is from PBM in division Thermal Processes of Advanced Machining |
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Answer» CORRECT answer is (a) Low To explain: The cost for operating the jobs in Plasma beam machining is less and ALSO less energy is required for operating the machine in PBM. |
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| 175. |
What is the full form of PBM in the advanced machining processes?(a) Plasma Beam Manufacturing(b) Plasma Beam Machining(c) Plasma Blast Manufacturing(d) Plasma Blast MachiningThis question was addressed to me in exam.This interesting question is from Plasma Beam Machining-Introduction And Machining system in division Thermal Processes of Advanced Machining |
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Answer» The correct option is (b) PLASMA BEAM Machining |
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| 176. |
What is the value of the power used in PBM process?(a) 0.1 – 10 kW(b) 2 – 200 kW(c) 200 – 400 kW(d) 400 – 700 kWI got this question in an international level competition.This intriguing question originated from Plasma Beam Machining-Introduction And Machining system topic in chapter Thermal Processes of Advanced Machining |
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Answer» The correct answer is (b) 2 – 200 KW |
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| 177. |
PBM is the only process which works faster in ________ steel than _________ steel.(a) Stainless, mild(b) Mild, stainless(c) Remains same all(d) All of the mentionedI had been asked this question during an interview.I want to ask this question from Plasma Beam Machining-Introduction And Machining system in section Thermal Processes of Advanced Machining |
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Answer» Correct ANSWER is (a) Stainless, mild |
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| 178. |
What are the values of power densities used in the EBM process?(a) 0.05 MW/mm^2(b) 0.55 MW/mm^2(c) 1.55 MW/mm^2(d) 2.55 MW/mm^2This question was addressed to me in examination.I'm obligated to ask this question of Electronbeam Machining-Introduction, Equipment and Material removal in chapter Thermal Processes of Advanced Machining |
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Answer» The correct choice is (C) 1.55 MW/mm^2 |
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| 179. |
When did the Electron beam machining come into the machining industry?(a) 1920s(b) 1930s(c) 1950s(d) 1960sThe question was posed to me by my college professor while I was bunking the class.The doubt is from Electronbeam Machining-Introduction, Equipment and Material removal in division Thermal Processes of Advanced Machining |
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Answer» Right ANSWER is (d) 1960s |
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| 180. |
State whether the following statement regarding Laser beam machining is true or false.(a) “In LBM, a blind hole of precise depth is easy to achieve.”(b) True(c) FalseI have been asked this question in class test.This key question is from LBM-Advantages and Limitations in portion Thermal Processes of Advanced Machining |
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Answer» The CORRECT answer is (B) True |
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| 181. |
Selection of assist gas depends on which of the following properties of work piece?(a) Material(b) Thickness(c) Material & Thickness(d) None of the mentionedThis question was addressed to me by my college director while I was bunking the class.This is a very interesting question from LBM-Applications in division Thermal Processes of Advanced Machining |
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Answer» CORRECT choice is (c) Material & Thickness For EXPLANATION I would say: The SELECTION of different assist gases depends on the WORK PIECE material and its thickness. |
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| 182. |
Which gas jet assisted process is suitable for most of the metals?(a) Oxygen gas(b) Nitrogen gas(c) Helium gas(d) All of the mentionedI got this question in semester exam.This interesting question is from LBM-Applications topic in division Thermal Processes of Advanced Machining |
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Answer» Correct answer is (a) OXYGEN gas |
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| 183. |
Which of the following are the functions of assist gases?(a) Removal of molten material(b) Shield the lenses(c) Better efficiency(d) All of the mentionedI got this question in an internship interview.This is a very interesting question from LBM-Applications topic in division Thermal Processes of Advanced Machining |
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Answer» CORRECT answer is (d) All of the mentioned To ELABORATE: Assist are used to remove the molten material, it also shield the LENSES from EXPELLED material and they are also used for obtaining better PROCESS efficiencies. |
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| 184. |
What is the value of minimum corner radius obtained by drilling in Laser beam machining?(a) 0.10 mm(b) 0.25 mm(c) 0.50 mm(d) 0.65 mmI have been asked this question by my college director while I was bunking the class.The above asked question is from LBM-Applications in section Thermal Processes of Advanced Machining |
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Answer» The correct CHOICE is (b) 0.25 mm |
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| 185. |
What is the depth-to-diameter ratio obtained in drilling process using Laser beam machining?(a) 10:1(b) 20:1(c) 50:1(d) 80:1This question was posed to me in an internship interview.Question is from LBM-Applications topic in division Thermal Processes of Advanced Machining |
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Answer» The correct ANSWER is (c) 50:1 |
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| 186. |
Which of the following has high machining speeds in Laser Beam Machining?(a) Metals(b) Non metals(c) Metal alloys(d) All of the mentionedThe question was asked during an internship interview.I want to ask this question from LBM-Material Removal topic in portion Thermal Processes of Advanced Machining |
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Answer» The CORRECT CHOICE is (B) Non metals |
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| 187. |
What has been done to the off time when there is a no-load voltage of electric discharge?(a) Increased(b) Decreased(c) Reduced(d) Remains sameThis question was posed to me in homework.I'd like to ask this question from EDM-Process Control, Automation, Environmental Impact topic in chapter Thermal Processes of Advanced Machining |
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Answer» Correct CHOICE is (a) Increased |
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| 188. |
What are the values of general feed rates used for drilling in EDM?(a) 0.1 mm/min(b) 0.3 m/min(c) 0.5 mm/min(d) 0.7 mm/minThe question was asked by my college director while I was bunking the class.This intriguing question originated from EDM-Applications in division Thermal Processes of Advanced Machining |
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Answer» Right answer is (a) 0.1 mm/min |
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| 189. |
The dielectric fluid is flushed in thorough which part of the electrode in drilling in EDM?(a) Interior hole(b) Side gaps(c) All of the mentioned(d) None of the mentionedI had been asked this question by my school teacher while I was bunking the class.This key question is from EDM-Applications in chapter Thermal Processes of Advanced Machining |
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Answer» The correct answer is (a) INTERIOR hole |
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| 190. |
What happens to the material removal rate if the sparks are very less in EDM?(a) Decreases(b) Increases(c) Increase and then decrease(d) All of the mentionedI have been asked this question during an internship interview.My question is taken from EDM-Material Removal Rate in division Thermal Processes of Advanced Machining |
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Answer» The correct CHOICE is (a) Decreases |
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| 191. |
Which one among the following, is the most important factor in determining the tool wear?(a) Melting point(b) Boiling point(c) Power supplied(d) Feed rateI had been asked this question during an online exam.Origin of the question is EDM-Machining System topic in portion Thermal Processes of Advanced Machining |
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Answer» Right answer is (a) Melting point |
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| 192. |
Electrode orbiting ________ the flushing of dielectric fluid in Electro discharge machining.(a) Improves(b) Decreases(c) Reduces(d) DegradesThe question was asked in exam.I need to ask this question from EDM-Machining System topic in section Thermal Processes of Advanced Machining |
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Answer» Right option is (a) Improves |
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| 193. |
Based on the electrode gap, which of the following electric pulses are generated?(a) Open Circuit pulses(b) Sparks(c) Arcs(d) All of the mentionedI got this question by my college professor while I was bunking the class.My question is based upon EDM-Mechanism of Material Removal topic in section Thermal Processes of Advanced Machining |
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Answer» Correct choice is (d) All of the mentioned |
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| 194. |
What is the value of pulse time used in EBM?(a) 0.004 to 0.064 µs(b) 0.04 to 0.64 µs(c) 0.4 to 640 µs(d) 4 to 64000 µsI got this question in final exam.Query is from EBM-Applications, Advantages and Disadvantages in chapter Thermal Processes of Advanced Machining |
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Answer» The CORRECT OPTION is (d) 4 to 64000 µs |
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| 195. |
There is no limitation imposed on which of the following factors in EBM?(a) Material ductility(b) Surface hardness(c) Surface reflectivity(d) All of the mentionedThis question was posed to me in quiz.Query is from EBM-Applications, Advantages and Disadvantages in division Thermal Processes of Advanced Machining |
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Answer» CORRECT option is (d) All of the mentioned The explanation: In Electron beam machining, no LIMITATION is IMPOSED by WORK piece hardness, ductility, and SURFACE reflectivity. |
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| 196. |
What are the values of velocity maintained in the EBM process?(a) 118 x 10^3 m/s(b) 228 x 10^3 m/s(c) 338 x 10^3 m/s(d) 448 x 10^3 m/sThe question was asked during an interview for a job.I'd like to ask this question from Electronbeam Machining-Introduction, Equipment and Material removal topic in section Thermal Processes of Advanced Machining |
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Answer» The correct ANSWER is (b) 228 x 10^3 m/s |
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| 197. |
Emission current depends up on which of the following factors?(a) Cathode material(b) Temperature(c) Voltage supply(d) All of the mentionedI had been asked this question in an interview for job.I need to ask this question from Electronbeam Machining-Introduction, Equipment and Material removal topic in division Thermal Processes of Advanced Machining |
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Answer» The correct choice is (d) All of the mentioned |
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| 198. |
Which of the following lasers is used for slitting of thin metallic materials in LBM?(a) CO2 + gas assisted(b) CO2 only(c) Nd-YAG(d) RubyThe question was posed to me during an interview for a job.My question is from LBM-Applications in section Thermal Processes of Advanced Machining |
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Answer» The correct OPTION is (C) Nd-YAG |
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| 199. |
What is the full form of LBT in the processes of LBM?(a) Laser Beam Tempering(b) Laser Beam Templating(c) Laser Beam Texturing(d) Laser Beam TinningThis question was addressed to me during an interview.I need to ask this question from LBM-Applications topic in division Thermal Processes of Advanced Machining |
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Answer» CORRECT option is (c) LASER Beam TEXTURING The explanation: Full form of LBT is Laser beam texturing which is an APPLICATION of Laser beam machining. |
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| 200. |
Reflectivity of the materials depends on which of the following factors?(a) Wave length(b) Properties of material(c) Surface finish(d) All of the mentionedThis question was posed to me in an online interview.Question is taken from LBM-Material Removal topic in section Thermal Processes of Advanced Machining |
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Answer» Correct answer is (d) All of the mentioned |
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