This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electrochemical Etching – 1”. 1. Etching refers to the removal of material from ___________ a) the soft surface b) the hard surface c) the sticky surface d) the wafer surface 2. Deposition is a complimentary process to etching. a) True b) False … Read more
This set of Manufacturing Processes Questions and Answers for Experienced people focuses on “Electro-Chemical Machining – 5”. 1. There is a huge change in the mechanical properties of the material after ECM. a) True b) False 2. _____ strength of stainless steel decreases when machined by ECM. a) Yield b) Tensile c) Fatigue d) Notched-tensile … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electro-Chemical Machining – 4”. 1. What does faraday’s second law electrolysis state? a) W∝Q, where W= mass of substance deposited and Q= charge passed through the electrolyte b) w1/w2 = E1/E2, where w1 and w2 = mass of different substances deposited, and … Read more
This set of Manufacturing Processes Questions and Answers focuses on “Electro-Chemical Machining – 3”. 1. In ECM, one needs to understand fluid flow while designing the tool for machining complex shapes. a) True b) False 2. Which of the following does not hold true about ECM? a) ECM cell must avoid flutter and arcing b) … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electro-Chemical Machining – 2”. 1. Which of the following holds true about electro-chemical machining? a) Material is removed from the cathode and deposited on the anode b) Material is removed from the anode and carried away by the electrolyte c) Major drawback … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electro-Chemical Machining – 1”. 1. Electro-chemical machining is opposite of electrochemical coating. a) True b) False 2. ECM can also be called as un-controlled anodic dissolution. a) True b) False 3. For ECM of steel which is used as the electrolyte? a) … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electrochemical Grinding”. 1. In electro-chemical grinding, grinding wheel is used as a cathode. a) True b) False 2. ECG is suitable for which of the following materials? a) Tungsten carbide b) Polymers c) Iron d) Nickel 3. In ECG, grinding action removes … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electromagnetic Forming”. 1. Which of the following is not used in electromagnetic forming process? a) A capacitor bank b) A forming coil c) A foeld shaper d) Stiffening ribs 2. Which of the following is true about EMF process? a) Intense electric … Read more
This set of Manufacturing Processes Questions and Answers for Freshers focuses on “Roll Forming – 4”. 1. The minimum bend radius for bending material in roll forming is one stock thickness. a) True b) False 2. The parts shorter than_____ the centreline spacing of rolls of the machine employed will not feed or form satisfactorily. … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Roll Forming – 3”. 1. During roll forming, a flat strip is passed number of times through the rollers. a) True b) False 2. Which of following is necessary in order to have a good set of rolls? a) Short horizontal distances … Read more
