Here we also use compressed air instead of other gas. The fundamental principle of Abrasive jet machining involves the use of a high-speed stream of abrasive particles carried by a high-pressure gas or air on the work surface through a nozzle. This set of Advanced Machining Processes Multiple Choice Questions & Answers (MCQs) focuses on “Water Jet Machining – Introduction and Machining system”. a) CO2 Balasubramaniam, J. Krishnan, (1998) Examined the abrasive jet de-burring process parameters and the edge nature of abrasive jet de-burred parts. With close control of the various parameters, dimensional tolerance of +0.05 mm can be obtained. a) Cleaning d) All of the mentioned These particles mic in the gas stream, travel further through a hose and finally pass through the nozzle at a considerably high speed. c) Mechanical abrasion b) False a) Cam drives Which of the following is not true for Laser beam machining? c) Nitrogen a) 10 – 40 µm b) 50 – 100 µm c) 100 – 150 µm d) 200 – 300 µm View Answer. An abrasive is small, hard particle having sharp edges and an irregular shape . d) All of the mentioned In this article, you will learn what are 14 different types of washers and how they work? View Answer, 7. An ever growing number of fabricators and machine shops are gaining a competitive advantage by incorporating abrasive waterjets to their machining mix. a) Liquids 2. If abrasive water jet machining is used, abrasive particles mixed in water stream before entering into nozzle. Normally inaccessible portions can be machined with fairly good accuracy. Which of the following gas, should never be used as the carrier of abrasives? a) Vaporization Additional cleaning of the work surface may occur as there is a possibility of sticking abrasive grains in softer materials. What used to be known in the 80s as a rather obscure, albeit fascinating, cutting method has gone mainstream. It separate metal particle from water and this water is further send to reservoir. In Abrasive jet machining, what may be the size of the abrasive grains used? MCQ on Mechanical Energy Based Unconventional Machining Process. To control the size and shape of the cut either the workpiece or the nozzle is moved by cams, pantographs or other suitable mechanisms. Material removal is done with cutting speeds between 25 – 125 mm/min. View Advanced Machining Sheet.pdf from VIBRATION MED 101 at Engineering College. c) Oxygen This test is Rated positive by 92% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. With repeated impacts, small bits of material get loosened and a fresh surface is exposed to the jet. c) Deburring a)increases continuously. b) Glass a. State whether the following statement is true or false. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. In this post, you learn abrasive jet machining its working principle, parts, applications, advantages and disadvantages. While most professionals in the manufacturing industry have heard of waterjets, they may not realize there are actually two distinct forms of this process available. a) 10 – 40 µm Abrasive jet machining is a non-traditional machining process which is mostly used in machining of hardened metals. The fragile material can be easily machined. a) Copper In this article, you'll learn what is cams and followers and its types, nomenclature, working, application, and more with diagrams. d) Air a) Glass He completed his engineering studies in 2014 and is currently working in a large firm as Mechanical Engineer. Answer: a Explanation: Abrasive grains of size, between 10 – 40 µm can be used for machining. 1. Following are the parts of abrasive jet machining: The filtered gas, supplied under a pressure of 2 to 8 kgf/cm to the mixing chamber containing the abrasive powder and vibrating at 50 Hz entrains the abrasive particles and is then passed into a connecting hose. The gases used are nitrogen, carbon dioxide or clean air. c) Automated Jet Machining Nozzles made of tungsten carbide have an average life of 8 to 12 hours. What is the full form of WJM in advanced machining processes? It is used for deburring, etching, and cleaning of brittle metals, alloys, and non-metallic materials. I would have failed my psychology course if it wasn’t for these guys. c) 100 – 150 µm Such abrasives must have sharp edges for smooth micro-cutting and must be sufficiently hard so that they don’t break during impact. It also used to reduce noise associate with WJM. _____ is a non-traditional machining processes that depends on the eroding effects of different reagents. c) Hard materials A typical material removal rate for abrasive jet machining is 16 mm/min in cutting glass. d) All of the mentioned Abstract- Abrasive Water Jet Machining (AWJM) is a versatile machining process primarily used to machine hard and difficult to machine materials. The metal is removed due to erosion caused by the abrasive particles impacting the work surface at high speed. to harder materials such as Inconel. The machining accuracy is poor and the nozzle wear rate is high. b) SiC Home MCQ Production Engg Material properties and Metal Forming ... Set 02 Material properties and Metal Forming (Machining) Processes - Set 02 MCQ Production Engg Edit Practice Test: Question Set - 02. In addition to the above abrasives, dolomite (calcium magnesium carbonate) of 200 grit size is found suitable for light cleaning and etching. Waspaloy is often used in aviation combustion chamber at extreme environments. A. While larger sizes are used for rapid removal rate. In this experimental investigation, waspaloy is used to analyse the kerf angle (KA), surface roughness (SR) and material removal rate (MRR) during abrasive water jet machining. This set of Advanced Machining Processes Multiple Choice Questions & Answers (MCQs) focuses on “Abrasive Jet Machining – Introduction and Machining system”. Masks, which are used to confine the jet stream location on work piece are made of, which type of materials? c) decreases, becomes stable and then increases. Gas Supply: Gas is supply to the system for the operation. In this machining process a focus stream of abrasive particles are forces to impinge on work piece at high velocity. a) True The jet of abrasive particles is carried by carrier gas or air. The metal is removed due to erosion caused by the abrasive particles impacting the work surface at high speed. c) 50 Hz Abrasive jet machining (AJM) is one of the advanced machining processes where a high velocity jet of abrasive is used to remove material from work surface by erosion. The disadvantages of the process lie in the following: That’s it, thanks for reading. View Answer, 9. b) Abrasive Jet Machining Join our social networks below and stay updated with latest contests, videos, internships and jobs! a. air b. liquid c. vacuum d. any of the above medium. This process is mainly employed for such machining works which are otherwise difficult, such as thin sections of hard metals and alloys, cutting of material which is sensitive of heat damage, producing intricate holes, deburring, etching, polishing etc. Electrochemical Machining c. Abrasive Jet Machining d. Laser Beam Machining (Ans:b) 21. This test is Rated positive by 87% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. Abrasive Flow Machining AUTOFLOW: AFM at Its Best. This abrasive and gas mixture emerges from a small nozzle mounted on a fixture at a high velocity ranging from 150 to 300 m/min. View Answer, 8. The abrasives generally used are silicon carbide, aluminium oxide, glass powder or specially prepared sodium bicarbonate. Home >> Category >> Mechanical Engineering (MCQ) questions and answers >> Advanced Machining Process; 1) The Laser Beam Machining process can be carried out, when the media for energy transfer between tool and workpiece is. WHAT IS ABRASIVE JET MACHINING ? b) 50 – 100 µm Abrasive Jet Machining writers available to do this job. If you found this article helpful share with your friends. Apart from flow rate and size, types of abrasive also influence machining performance. 8.5 Average quality score. This is basic of water jet machining (WJM). Abrasive powder feed rate is controlled by the amplitude of vibration of the mixing chamber. The objective of this paper is to optimize material removal rate and kerf width simultaneously using AWJM process on INCONEL 718. The process parameters are chosen as abrasive flow rate, pressure, and standoff distance. 1.In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate. 1. Answer Explanation ANSWER: any of the above medium. Water is used as abrasive in such machining . Surface finish with Ra values varies from 0.3 to 2.3 µm. Presentation of-abrasive-jet-machining 1. Dimensional tolerances are in the range of ± 2 to ± 5 µm. A typical set-up for abrasive jet machining is shown in the figure. d) All of the mentioned It is the material removal process where the material is removed by high velocity stream of air/gas or water and abrasive mixture . Thank you so much team Pro Homework Help! What is the frequency of mixing chamber, consisting of gas and abrasives? In machining system of AJM, which is the medium of carrying the abrasive grains for machining? Types of Spanners are used more than any other tool for tightening or opening different jobs. View Answer. In machining system of AJM, which of the following controls the relative motion between work piece and nozzle? It is a fast (typically, 500 μm depth in 20 min), inexpensive, and accurate directional etch technique for brittle materials like glass, silicon, and ceramics. c) 10.0 to 18.0 kg/cm2 The material removal rate is slow and its application is therefore limited. You can... Spanners and It's Types View Answer, 12. Waspaloy is also a nickel-based superalloy with exceptional strength properties at a temperature of 980 °C. d) increases, becomes stable and then decreases . Types, Nomenclature [Diagrams & PDF], 14 Types of Washers & How They Use? The mixing chamber, carrying the abrasive particles is vibrated and the amplitude of these vibrations controls the flow of abrasive particles. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. View Answer, 11. Abrasive jet machining (AJM), also known as abrasive micro-blasting, pencil blasting and micro-abrasive blasting, is an abrasive blasting machining process that uses abrasives propelled by a high velocity gas to erode material from the workpiece. here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Advanced Machining Questions and Answers – WJM – Advantages and Disadvantages, Next - Advanced Machining Questions and Answers – AJM – Material Removal Rate and Process parameters, Machine Design Questions and Answers – Levers, Machine Design Questions and Answers – Fracture Mechanics, Curved beams & Thermal Stresses, Mechanical Engineering Questions and Answers, Engineering Materials and Metallurgy Questions and Answers, Manufacturing Engineering / Processes I Questions and Answers, Machine Tools & Machining Questions and Answers, Manufacturing Engineering / Processes II Questions and Answers, Advanced Machining Processes Questions and Answers, Advanced Machining Questions and Answers – Electro Discharge Machining-Introduction, Advanced Machining Questions and Answers – Electronbeam Machining-Introduction, Equipment and Material removal, Advanced Machining Questions and Answers – AWJM – Process Capabilities, Advanced Machining Questions and Answers – Electro Chemical Machining-Introduction and Principle of electrolysis, Advanced Machining Questions and Answers – Non Traditional Machining, Advanced Machining Questions and Answers – Plasma Beam Machining-Introduction And Machining system, Advanced Machining Questions and Answers – MAF – Applications, Advanced Machining Questions and Answers – Water Jet Machining – Introduction and Machining system, Advanced Machining Questions and Answers – Ion Beam Machining-Introduction, Material Removal Rate, Advanced Machining Questions and Answers – AJM – Material Removal Rate and Process parameters, Advanced Machining Questions and Answers – Ultrasonic Machining – Introduction, Advanced Machining Questions and Answers – Traditional Machining, Advanced Machining Questions and Answers – USM – Factors Affecting MRR. Abrasive Water Jet Machining (AWJM) is one of the non-conventional machining processes which make use of high water pressure to be converted into jet of high velocity mixed with abrasive particles. b) Pantographs What are the processes where Abrasive jet machining can be used? View Answer, 3. Abrasive jet machining (AJM) is a process that removes material by directing a high speed stream of abrasive particles onto a work piece. d) Corrosion In Abrasive jet machining, work piece material of removed by which of the following means? b) 30 Hz The gas flow and pressure is controlled by a pressure regulator. a) 0.1 to 1.0 kg/cm2 11. Controlling media flow characteristics during the abrasive flow machining process is critical to maintaining predictable results. In abrasive jet machining, kinetic energy of high velocity (100 – 300m/s) abrasive jet is utilized to remove work material by impact erosion. a) Water Jack Manufacturing b) Water Jet Machining c) Water Jet Manufacturing d) Water Jack Manufacturing View Answer b) Ceramics a) Nitrogen In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate. c) Trace mechanisms View Answer, 14. b) Cutting Sanfoundry Global Education & Learning Series – Advanced Machining. d) 200 – 300 µm d) All of the mentioned and their uses with pictures. “In Abrasive jet machining, commercial grades powders can be used for machining.” ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) View Answer, 4. b) Electro plating On normal production work, the accuracy of +0.1 mm is easily held. This outgoing high-speed stream of the mixture of gas and abrasive particles is known as abrasive jet. To practice all areas of Advanced Machining, here is complete set of 1000+ Multiple Choice Questions and Answers. Their writers are highly professional, and always deliver orders on time. It has capability to cut a large variety of materials ranging from softer materials such as wood, plastics, etc. View Answer, 10. He is also an author and editor at theengineerspost.com. Dec 27,2020 - Unconventional Machining Process - 1 | 10 Questions MCQ Test has questions of Mechanical Engineering preparation. b) CO2 The abrasive particles are held in a suitable holding device, like a tank and fed into the mixing chamber. a) 10 Hz Advanced Manufacturing Processes Part One MCQ Choose the correct answer 1- Abrasive jet machining … d) Abrasive Jet Manufacturing What is the pressure of gas that is to be supplied, for carrying the abrasives? b) Air c) Any fluids Here the work is to clean the fuel if there are any dust particles present. Increases continuously B. Decreases continuously C. Decreases becomes stable and then increases D. Increases, becomes stable and then decreases Answer: Option D The fundamental principle of Abrasive jet machining involves the use of a high-speed stream of abrasive particles carried by a high-pressure gas or air on the work surface through a nozzle. High velocity jet is aimed at a surface under controller condition . 1. Smaller sizes are used for good surface finish and precision work. High velocity stream of abrasive is generated by converting the pressure energy of the carrier gas or air to its kinetic energy and hence high velocity jet. Saif M. is a Mechanical Engineer by profession. d) 70 Hz If you any doubts or questions about “abrasive jet machining” ask in the comments. Glass beads of diameter 0.30 to 0.60 mm are used for light polishing and deburring. a) Al2O3 Powder blasting, or abrasive jet machining, is a technique in which a particle jet (typically Al 2 O 3 particles of 3–30 μm) is directed toward a target for mechanical material removal. While nozzles of sapphire last for about 300 hours of operation when used with 27-micron abrasive powder. What is Abrasive Jet Machining. © 2011-2020 Sanfoundry. Abrasive Jet machining Consists of several Parts like: Gas Supply; Filter; Pressure Gauge; Regulator; Mixing chamber; Nozzle; 1. These are generally made of... © Copyright 2020 TheEngineersPost.com - All Rights Reserved, Abrasive Jet Machining (AJM): Parts, Working Principle, Advantages & Applications, Working Principle of Abrasive Jet Machining, Types of Unconventional Machining Process [Manufacturing], What is TIG & MIG Welding: Difference Between TIG and MIG welding, What is Underwater Welding and types of Underwater welding?, Cams and Followers: How they Work? Explanation: No explanation is available for this question! Water Jet Machining (WJM) also called water jet cutting, is a non-traditional machining process in which high-velocity jet of water is used to remove materials from the surface of the workpiece.WJM can be used to cut softer materials like plastic, rubber or wood. Dec 26,2020 - Unconventional Machining Process - 3 | 10 Questions MCQ Test has questions of Mechanical Engineering preparation. 3. In advanced machining processes, what is the full form of AJM? In AJM, which of the following materials are used as abrasive grains? Abrasive Jet Machining is also known as Abrasive micro blasting, Pencil blasting, or Micro Abrasive Blasting.. Abrasive Jet Machining is useful to form edge shapes or surface machining in hard, brittle, and temperature-sensitive material. b) decreases continuously. This pipeline carries a pressure gauge and a regulator to control the gas flow and its pressure. The drain and catcher system is used to remove debris and other machined particle form water. Drain and Catcher. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. c) Rubber The common particle sizes vary from 10 microns to 50 microns. View Answer, 5. Polishing of plastic, Nyon can be done easily. In Abrasive Jet Machining (AJM), abrasive particles are made to impinge on the work material at a high velocity. d) None of the mentioned The laser used can be of solid or gaseous type b. Waterjet machining is an innovative cutting method, and one of the fastest-growing processes for machining today, thanks to its ease of use and versatility. 2 Abrasive Jet Machining 2.0 INTRODUCTION In abrasive jet machining, a focused stream of abrasive particles, carried by high pressure air or gas is made to impinge on the work surface through a nozzle and work material is removed by erosion by high-velocity abrasive particles. It is another non traditional machining process where there is no contact between tool and the work piece. View Answer, 6. Ability to cut fragile and heat-sensitive materials without damage as no heat is generated due to the passing of gas or air. It is often used for cleaning and polishing of plastic, nylon and Teflon components, the frosting of the interior surface of the glass tubes, etching of markings on glass cylinders, etc. Nozzles have a great degree of abrasion wear, they are made of hard materials such as tungsten carbide or synthetic sapphire to reduce the wear rate. The metal removal rate depends upon the diameter of the nozzle, the composition of the abrasive gas mixture, the hardness of abrasive particles and that of work material, particle size, the velocity of jet and distance of the workpiece from the jet. with [Pictures & PDF], 12 Types of Spanners and Their Uses [with Pictures] PDF. a) Automatic Jet Manufacturing Ability to cut intricate hole shapes in materials of any hardness and brittleness. Abrasive jet machining : Download: 5: Water jet cutting and Abrasive water jet machining: Download: 6: Magnetic abrasive finishing: Download: 7: Abrasive Flow Finishing: Download: 8: Magnetorheological Finishing: Download: 9: Magnetorheological Abrasive Flow Finishing (Part I) Download: 10: Magnetorheological Abrasive Flow Finishing (Part II) Download: 11: Magnetorheological Abrasive … d) All of the mentioned View Answer, 13. b) Gases b) 2.0 to 8.0 kg /cm2 www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. c) Glass beads All Rights Reserved. This process can be advantageously utilized for surface cleaning, coating removing, deflashing, trimming, engraving, deburring, drilling, parting, ceramic abrading, glass frosting, etc. Common uses include cutting heat-sensitive, brittle, thin, or hard materials. The AJM differs from sandblasting. The process finds application in cutting slots, thin sections, contouring, drilling, for producing shallow crevices, deburring, and for producing intricate shapes in hard and brittle materials. These high velocity abrasive particles remove metal by brittle fracture or erosion from work piece. Read also: Types of Unconventional Machining Process [Manufacturing]. View Answer, 2. Filter: Filter indicates the cleanness of the fuel supply. What are the processes where Abrasive jet machining can be used? A regulator is incorporated in the line to control the flow of abrasive particles compressed air or high-pressure gas is supplied to the mixing chamber through a pipeline. d) 25.0 to 35.5 kg/cm2 In Abrasive jet machining, what may be the size of the abrasive grains used? Which type of materials can be machined using Abrasive jet machining? High velocity of (water mixed with abrasive) is projected on the work piece which causes abrasive action and deformation of work piece takes place. In machining system of AJM, what is/are the gas/es used for carrying the abrasives? As the name suggests, Abrasive Jet Machining uses a jet of abrasives to remove materials from the workpiece. Air View Answer, 10 Mechanical Engineer 40 µm can be done.... Choice Questions & Answers ( MCQs ) focuses on “Water jet machining, what the. Particle from water and abrasive mixture balasubramaniam, J. Krishnan, ( )... Abrasive jet de-burring process parameters and the work material at a high velocity is and. The name suggests, abrasive particles are forces to impinge on work piece are made to impinge on work are..., Nomenclature [ Diagrams & PDF ], 14 the work surface at high speed of +0.05 can! 125 mm/min is the medium of carrying the abrasives where abrasive jet machining c any... Chosen as abrasive grains used poor and the work surface increases, the removal! Nomenclature [ Diagrams & PDF ], 12 Types of washers & how work... Capability to cut fragile and heat-sensitive materials without damage as no heat is generated due to erosion by. With close control of the mentioned View Answer, 14, dimensional tolerance of +0.05 mm can machined! Following controls the relative motion between work piece Technological University Exam, between 10 – 40 can. ( MCQs ) focuses on “Water jet machining can be done easily nozzles of sapphire last for about hours... Varies from 0.3 to 2.3 µm the system for the operation filter indicates the cleanness of following.... Spanners and it 's Types Types of washers & how they work never used. Flow machining AUTOFLOW: AFM at its Best b. liquid c. vacuum d. any of mentioned! Metals or granite, an abrasive is small, hard particle having edges... Materials d ) 70 Hz View Answer, 10 feed rate is slow its. Velocity stream of air/gas or water and abrasive mixture abrasion d ) All the. Size, between 10 – 40 µm can be used or clean air and deburring 25 – 125 mm/min size... Advanced machining processes Multiple Choice Questions & Answers ( MCQs ) focuses on “Water jet machining AWJM! Particles impacting the work is to optimize material removal is done with cutting speeds between 25 – 125 mm/min disadvantages... Machining process is critical to maintaining predictable results non-metallic materials its application therefore... Tank and fed into the mixing chamber pressure gauge and a fresh surface is exposed to passing! Uses a jet of abrasives to remove materials from the workpiece jet machining can used... Hz c ) deburring d ) None of the mixture of gas and particles... ) Copper b ) 30 Hz c ) Trace mechanisms d ) Corrosion View Answer abrasives to materials! Our social networks below and stay updated with latest contests, videos, internships and jobs of machining! Is used, abrasive particles is vibrated and the edge nature of abrasive jet machining work! 125 mm/min: AFM at its Best: a Explanation: abrasive grains from materials... Particle having sharp edges for smooth micro-cutting and must be sufficiently hard so that don’t! Of other gas as wood, plastics, etc the passing of gas and abrasives of paper. Machining is used to be known in the sanfoundry Certification contest to get free Certificate of Merit ). Writers are highly professional, and always deliver orders on time, particle. Primarily used to be known in the gas stream, travel further through a hose and finally pass through nozzle! D. any of the following controls the relative motion between work piece high... Cleanness of the above medium of WJM in Advanced machining Sheet.pdf from VIBRATION MED 101 at Engineering College ),... Psychology course if it wasn’t for these guys is to clean the supply... Doubts or Questions about “ abrasive jet machining is 16 mm/min in cutting Glass are. Machining Sheet.pdf from VIBRATION MED 101 at Engineering College its working principle, parts applications! Machining can be machined using abrasive jet machining c ) deburring d ) All of the Technological! Series – Advanced machining processes, what is/are the gas/es used for good finish... Machine materials or hard materials author and editor at theengineerspost.com Hz View Answer,.!, 4 medium of carrying the abrasives process on INCONEL 718 send to reservoir a machining... Of brittle metals, alloys, and non-metallic materials in softer materials such as wood, plastics,.! [ Pictures & PDF ], 12 Types of washers & how they use never used. And heat-sensitive materials without damage as no heat is generated due to erosion caused by the abrasive are! Lie in the following is not true for Laser Beam machining machined using abrasive jet machining d ) jet! Form water, or hard materials 80s as a rather obscure, albeit fascinating, cutting has. As abrasive jet machining is shown in the comments used for light and. Studies in 2014 and is currently working in a large variety of materials ranging from softer materials flow! 14 different Types of abrasive jet machining c ) Glass b ) abrasive jet machining, work piece made. The full form of AJM, what may be the size of the abrasive grains size. Is to clean the fuel if there are any dust particles present online portal for preparation., here is complete set of Advanced machining, as the name,! Between the nozzle wear rate is high machining system of AJM, which used. Fuel if there are any dust particles present, thin, or hard materials d ) 70 Hz Answer. Gone mainstream carrier gas or air stream, travel further through a hose and finally pass through nozzle. Carrier gas or air pass through the nozzle at a considerably high speed Oxygen d ) All of mixture! Are silicon carbide, aluminium oxide, Glass powder or specially prepared sodium bicarbonate known... Flow of abrasive particles impacting the work material at a surface under controller condition of air/gas or and! Used, abrasive particles is known as abrasive jet machining free Certificate of Merit competitive. Nozzle mounted on a fixture at a considerably high speed Engineering College 14 Types of Spanners are used for polishing. Contest to get free Certificate of Merit used are silicon carbide, aluminium oxide, Glass or. Nomenclature [ Diagrams & PDF ], 12 Types of washers & how they use, standoff... Abrasive particles are forces to impinge on the work surface at high speed ]... Used for rapid removal rate for abrasive jet machining is used for the! This water is further send to reservoir considerably high speed supply: gas is to! Smaller sizes are used for machining of this paper is to clean the fuel supply it thanks... Rubber d ) None of the following is not true for Laser machining... To 300 m/min Copper b ) Gases c ) Rubber d ) increases, the material removal rate possibility... Such as wood, plastics, etc Ans: b ) abrasive jet machining uses jet... Complete set of Advanced machining processes, what may be the size of the work surface at high speed work. Gas, should never be used as the carrier of abrasives from 10 microns to 50 microns and distance... A competitive advantage by incorporating abrasive waterjets to their machining mix and Diploma Engineering Students of mentioned. ± 2 to ± 5 µm 10 microns to 50 microns to reservoir VIBRATION MED 101 at College! Possibility of sticking abrasive grains in softer materials, plastics, etc variety of materials 's Types of. Rate for abrasive jet machining is 16 mm/min in cutting Glass exceptional strength properties at considerably. The gas/es used for good surface finish and precision work ( Ans b. Uses a jet of abrasives to remove materials from the workpiece in the comments hard and to. Following gas, should never be used machining d ) All of following... Following: that ’ s it, mcq on abrasive jet machining for reading from flow rate and size, between 10 – µm. Abrasives to remove materials from the workpiece Oxygen d ) increases, the accuracy of mm... The pressure of gas or air an ever growing number of fabricators and shops... Or clean air ) cleaning b ) 21 and machine shops are gaining a competitive advantage by abrasive... Sic c ) Glass c ) Trace mechanisms d ) All of process., alloys, and non-metallic materials tool for tightening or opening different jobs particles remove by... Choice Questions & Answers ( MCQs ) focuses on “Water jet machining c ) deburring d ) 70 View! Sharp edges and an irregular shape a suitable holding device, like tank. With your friends Multiple Choice Questions & Answers ( MCQs ) focuses on “Water jet machining uses jet... These particles mic in the range of ± 2 to ± 5 µm helpful share with your.! Through the nozzle tip and the work surface increases, becomes stable and then decreases ) Al2O3 )! An author and editor at theengineerspost.com also use compressed air instead of other gas, mcq on abrasive jet machining in softer such., the material is mixed in water stream before entering into nozzle parameters and the is. By the amplitude of VIBRATION of the above medium machining ” mcq on abrasive jet machining in the sanfoundry Certification to! ) SiC c ) hard materials the range of ± 2 to ± 5.... ) CO2 b ) Ceramics c ) Trace mechanisms d ) All of the MCQ test of and. Cutting speeds between 25 – 125 mm/min hard materials d ) All of fuel..., carrying the mcq on abrasive jet machining are held in a large firm as Mechanical Engineer surface under condition! Latest contests, videos, internships and jobs ) Al2O3 b ) abrasive jet machining c ) d.