This set of Manufacturing Processes Problems focuses on “Wire-cut EDM – 2”. 1. In wire-cut EDM process, material removal takes place by a series of discrete discharges between _____ a) di-electric fluid and the wire electrode b) the wire-electrode and the workpiece c) the workpiece and the CNC-table d) wire electrodes 2. The di-electric fluid … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Wire-cut EDM – 1”. 1. A thin metallic wire used in wire-cut EDM is kept submerged in a tank of _____ a) dielectric fluid b) pure water c) molten metal d) kerosene 2. Wire-cut EDM can cut plates of thickness upto _____ … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Laser Beam Machining – 3”. 1. The flash tube is operated in _____ mode. a) pulsed b) continuous c) reversed d) synchronous 2. How many types of flows are possible in gas lasers? a) 2 b) 3 c) 4 d) 5 3. … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Laser Beam Machining – 2”. 1. When coming back to normal state from excited state, electron releases _____ a) proton b) anti-proton c) positron d) photon 2. In population inversion, no of electrons in _____ are more as compared to numbers of … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Laser Beam Machining – 1”. 1. Mechanism of material removal in Laser Beam Machining is due to _____ a) mechanical erosion due to impact of high of energy photons b) electro-chemical etching c) melting and vaporisation due to thermal effect of impingement … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electron Beam Machining – 4”. 1. In electron beam machining, the plane of _____ is on the surface of the workpiece. a) focusing b) finishing c) heating d) drilling 2. _____ can manoeuvre the electron beam. a) Nozzles b) Magnetic lens c) … Read more
This set of Manufacturing Processes Assessment Questions and Answers focuses on “Electron Beam Machining – 3”. 1. In electron beam gun, vacuum is achieved by _____ a) reciprocating pump b) rotary pump only c) combination of rotary pump and diffusion pump d) combination of diffusion pump and vane pump 2. Diffusion pump is an _____ … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electron Beam Machining – 2”. 1. In electron beam machine, just after the cathode, there is/are _____ a) deflector coils b) a magnetic lens c) bias grid d) port for vacuum gauge 2. Electron is accelerated by _____ a) cathode cartridge b) … Read more
This set of Manufacturing Processes Multiple Choice Questions & Answers (MCQs) focuses on “Electron Beam Machining – 1”. 1. Mechanism of material removal in Electron Beam Machining is due to _____ a) mechanical erosion due to impact of high of energy electrons b) chemical etching by the high energy electron c) sputtering due to high … Read more
This set of Manufacturing Processes Questions and Answers for Aptitude test focuses on “Friction Welding – 4”. 1. In Direct Drive Friction Welding, energy is supplied by _____ a) an electromagnet b) a capacitor c) an electric motor d) a heating unit called heater 2. Which of the following holds true about direct drive friction … Read more
