InterviewSolution
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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.
| 51. |
What are the current density values that are used in ECH process?(a) 165 A/cm^2(b) 235 A/cm^2(c) 385 A/cm^2(d) 465 A/cm^2The question was asked in exam.My question is taken from Electrochemical Honning-Introduction in division Hybrid Electrochemical Processes of Advanced Machining |
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Answer» The correct CHOICE is (d) 465 A/cm^2 |
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| 52. |
What is the value of gap maintained in ECH?(a) 0.025 to 0.075 mm(b) 0.075 to 0.250 mm(c) 0.250 to 0.750 mm(d) 0.750 to 2.50 mmI have been asked this question by my college professor while I was bunking the class.This key question is from ECH-Process Characteristics, Applications topic in division Hybrid Electrochemical Processes of Advanced Machining |
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Answer» RIGHT choice is (b) 0.075 to 0.250 mm The best explanation: The value of GAP maintained in electro chemical HONING is between 0.076 and 0.250. |
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| 53. |
Which of the following electrolytes is used for ECH process?(a) Sodium chloride(b) Sodium nitrate(c) Hydrochloric acid(d) Sulphuric acidI had been asked this question by my school principal while I was bunking the class.I'd like to ask this question from Electrochemical Honning-Introduction in portion Hybrid Electrochemical Processes of Advanced Machining |
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Answer» The correct answer is (b) Sodium NITRATE |
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| 54. |
What are the applications of Electro chemical grinding process?(a) Milling the material(b) Tool and cutter sharpening(c) Cutting off(d) All of the mentionedI got this question by my school teacher while I was bunking the class.The question is from ECG-Accuracy, Applications, Advantages and disadvantages in portion Hybrid Electrochemical Processes of Advanced Machining |
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Answer» RIGHT choice is (d) All of the mentioned The best I can explain: The applications of ELECTRO CHEMICAL grinding are milling, grinding, CUTTING off, sawing, tool and CUTTER sharpening. |
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| 55. |
What are the values of electrolyte flow rates used in ECB process?(a) 1 – 10 L/min(b) 10 – 100 L/min(c) 100 – 1000 L/min(d) 1000 – 10000 L/minThe question was asked during an online exam.This interesting question is from Electrochemical Buffing-Introduction, Material Removal topic in chapter Hybrid Electrochemical Processes of Advanced Machining |
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Answer» Right answer is (a) 1 – 10 L/min |
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| 56. |
What is the full form of ECH in the advanced machining processes?(a) Electro chemical honing(b) Electro chemical hammering(c) Electro chlorinated hammering(d) Electro chlorinated honingThe question was posed to me in final exam.This question is from Electrochemical Honning-Introduction topic in section Hybrid Electrochemical Processes of Advanced Machining |
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Answer» RIGHT CHOICE is (a) Electro CHEMICAL honing Best explanation: The FULL form of ECH in the advanced machining processes is Electro chemical honing. |
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| 57. |
What are the machining speeds recommended for high surface quality?(a) 1 – 250 mm/min(b) 250 – 500 mm/min(c) 500 – 750 mm/min(d) 750 – 100 mm/minThis question was addressed to me in an internship interview.Query is from ECG-Accuracy, Applications, Advantages and disadvantages topic in chapter Hybrid Electrochemical Processes of Advanced Machining |
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Answer» The CORRECT answer is (B) 250 – 500 mm/min |
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| 58. |
Action of abrasive grains depend on which of the following factors?(a) Electric filed(b) Transport of electrolyte(c) Hydrodynamic effects(d) All of the mentionedThe question was asked in examination.I need to ask this question from ECG-Material Removal Rate in section Hybrid Electrochemical Processes of Advanced Machining |
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Answer» Correct option is (d) All of the mentioned |
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| 59. |
ECG is a hybrid machining process of which material removal mechanisms below?(a) Mechanical abrasion(b) Electro chemical dissolution(c) Mechanical abrasion & Electro chemical dissolution(d) None of the mentionedI had been asked this question in my homework.I need to ask this question from ECG-Material Removal Rate topic in portion Hybrid Electrochemical Processes of Advanced Machining |
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Answer» The CORRECT CHOICE is (c) Mechanical abrasion & ELECTRO chemical dissolution |
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| 60. |
How much amount of burr is produce in Electro chemical grinding process?(a) Less amount(b) Moderate amount(c) High amount(d) No burrs are producedI had been asked this question in my homework.My query is from ECG-Material Removal Rate in section Hybrid Electrochemical Processes of Advanced Machining |
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Answer» Right ANSWER is (d) No burrs are produced |
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| 61. |
What is the value of inter electrode gap maintained in ECG process?(a) |
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Answer» Right answer is (B) <0.025 MM |
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| 62. |
State whether the following statement is true of false regarding ECG process.(a) “In ECG process, filtering and disposal of electrolyte is not necessary.”(b) True(c) FalseThe question was asked during an interview.This interesting question is from ECG-Accuracy, Applications, Advantages and disadvantages in chapter Hybrid Electrochemical Processes of Advanced Machining |
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Answer» The CORRECT OPTION is (b) True |
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| 63. |
Which of the following are the process variables related to ECS?(a) Gap voltage(b) Electrolyte type(c) Concentration(d) All of the mentionedI got this question in quiz.This is a very interesting question from Electrochemical Superfinishing-Introduction, Material Removal, Process accuracy topic in division Hybrid Electrochemical Processes of Advanced Machining |
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Answer» CORRECT option is (d) All of the mentioned To ELABORATE: Gap voltage, electrolyte TYPE, concentration and temperature are some of the variable RELATED to Electro chemical superfinishing. |
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| 64. |
Which of the mechanisms combine to form this hybrid process of ECS?(a) Electro chemical dissolution(b) Mechanical scrubbing(c) Electro chemical dissolution & Mechanical scrubbing(d) None of the mentionedThis question was addressed to me by my college director while I was bunking the class.Origin of the question is Electrochemical Superfinishing-Introduction, Material Removal, Process accuracy in chapter Hybrid Electrochemical Processes of Advanced Machining |
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Answer» The correct choice is (c) ELECTRO chemical dissolution & MECHANICAL scrubbing |
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| 65. |
State whether the following statement is true or false regarding applications of ECH.(a) “In ECH, the roundness errors are reduced compared to other processes.”(b) True(c) FalseI have been asked this question at a job interview.Origin of the question is ECH-Process Characteristics, Applications in chapter Hybrid Electrochemical Processes of Advanced Machining |
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Answer» Right choice is (a) “In ECH, the ROUNDNESS errors are reduced compared to other processes.” |
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| 66. |
State whether the following statement is true or false about ECH process.(a) “In ECH, improper electrolytic distribution will have no effect on any component.”(b) True(c) FalseThe question was posed to me in an international level competition.My question is based upon ECH-Process Characteristics, Applications in division Hybrid Electrochemical Processes of Advanced Machining |
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Answer» The correct OPTION is (B) True |
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| 67. |
What is the value of the grit number of the abrasives used in ECG?(a) 1 – 20(b) 20 – 60(c) 60 – 320(d) 350 – 640The question was posed to me in semester exam.My question comes from Electrochemical Grinding-Introduction topic in portion Hybrid Electrochemical Processes of Advanced Machining |
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Answer» Right answer is (c) 60 – 320 |
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| 68. |
The grinding wheel used in the ECG process is of which charge given below?(a) Positive charge(b) Negative charge(c) Neutral charge(d) All of the mentionedThis question was addressed to me in an interview.The query is from Electrochemical Grinding-Introduction topic in section Hybrid Electrochemical Processes of Advanced Machining |
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Answer» The correct choice is (c) NEUTRAL charge |
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| 69. |
Which of the following electrolytes can be used for high speed polishing?(a) Sodium chloride(b) Sodium nitrate(c) Sodium chloride & Sodium nitrate(d) None of the mentionedThe question was posed to me by my college professor while I was bunking the class.This question is from Electrochemical Buffing-Introduction, Material Removal in chapter Hybrid Electrochemical Processes of Advanced Machining |
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Answer» The correct ANSWER is (a) SODIUM chloride |
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| 70. |
Which of the following electrolytes are used for machining purpose in ECG?(a) Sodium nitrate(b) Hydro chloric acid(c) Nitric acid(d) Potassium permanganateThe question was asked during an interview.This intriguing question comes from Electrochemical Grinding-Introduction topic in division Hybrid Electrochemical Processes of Advanced Machining |
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Answer» RIGHT answer is (a) Sodium nitrate Explanation: GENERALLY sodium nitrate is the electrolyte that is used for MACHINING PURPOSE in Electro chemical grinding. |
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| 71. |
What are the values of buffing speeds used in ECB process?(a) 0.1 – 0.6 m/s(b) 1 – 6 m/s(c) 10 – 16 m/s(d) 100 – 600 m/sThis question was posed to me at a job interview.I'd like to ask this question from Electrochemical Buffing-Introduction, Material Removal topic in division Hybrid Electrochemical Processes of Advanced Machining |
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Answer» Correct option is (b) 1 – 6 m/s |
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| 72. |
What are the surface roughness values obtained while we use ECH process?(a) 0.1 to 0.2 µm(b) 0.2 to 0.8 µm(c) 0.8 to 1.6 µm(d) 1.6 to 3.2 µmThe question was asked by my school teacher while I was bunking the class.My question comes from ECH-Process Characteristics, Applications topic in section Hybrid Electrochemical Processes of Advanced Machining |
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Answer» Correct answer is (B) 0.2 to 0.8 µm |
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| 73. |
How much amount of burr is produced in the process of ECS?(a) 10 %(b) 20 %(c) 50 %(d) No burr producedI have been asked this question in my homework.I'm obligated to ask this question of Electrochemical Superfinishing-Introduction, Material Removal, Process accuracy topic in chapter Hybrid Electrochemical Processes of Advanced Machining |
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Answer» Right choice is (d) No burr PRODUCED |
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| 74. |
Which of the following mechanisms are used in the hybrid machining of ECH?(a) Electro chemical dissolution(b) Mechanical abrasion(c) Electro chemical dissolution & Mechanical abrasion(d) None of the mentionedThis question was addressed to me in homework.The origin of the question is Electrochemical Honning-Introduction in section Hybrid Electrochemical Processes of Advanced Machining |
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Answer» CORRECT option is (c) ELECTRO chemical dissolution & MECHANICAL abrasion To explain I would say: MA and ECD are used in MATERIAL removal of the hybrid PROCESS of ECH. |
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| 75. |
What is the value of gap voltage maintained in ECG process?(a) 1 to 10 V(b) 4 to 40 V(c) 40 to 400 V(d) 500 to 5000 VThis question was addressed to me in an internship interview.This is a very interesting question from ECG-Material Removal Rate in chapter Hybrid Electrochemical Processes of Advanced Machining |
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Answer» Correct answer is (b) 4 to 40 V |
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