Che tao co khi giao trinh tacn cttbck finished on 10 10 2019 nga doc 6961

BINH DINH PROVINCE PEOPLE‘S COMMITTEE QUY NHON COLLEGE OF ENGINEERING AND TECHNOLOGY COURSEBOOK SUBJECT: ENGLISH FOR SPECIFIC PURPOSES MAJOR : MACHINERY FABRICATION LEVEL : COLLEGE Issued with Decision No.: 99 /QĐ-CĐKTCNQN dated 14 month year 2018 Binh Dinh, 2018 STATEMENT OF AUTHORSHIP As a book specially used in technical colleges, this coursebook can be copied partially or completely for the purposes of education and training No part of the book is used for other purposes INTRODUCTION English for Machinery Fabrication is a coursebook of English for Specific Purposes (ESP) designed to develop the English skills and basic knowledge in Machinery Fabrication for technical students who will work in the field after they have completed 120 hours of Basic English This coursebook of English for Machinery Fabrication is one of the coursebooks for the subjects compiled in accordance with the curriculum approved by Vietnamese Directorate of Vocational Education and Training The content of the book is not only short but also concise and easy for the learners to understand, knowledge and skills are integrated and logic is included The most important aim of the coursebook is to help students develop the ability to deal with the concepts used in technical texts and the practical skills are acquired The coursebook consists of eight Units which can be completed in 90 hours The Units are organized around the various topics used in Machinery Fabrication field The skills are introduced as they are related to the topic Each Unit in the book is divided into different sections, as follows: Introduction denotes a general information about the skills that students are required to gain Relevant knowledge provides the students with knowledge relevant to the skills they aim to achieve Objectives and Learning Outcomes shows what students will be able to by the end of the lesson Order of Steps indicates the procedure the students should follow to achieve the skills Practice offers the students a number of tasks to practice so that they can acquire the new skills Consolidation and Testing: the student’s knowledge and skills can be enhanced with the Consolidation and Testing that is extremely accurate evaluation The coursebook is designed by a teacher of English at Quy Nhon College of Engineering and Technology – Ms Nguyen Thi Thanh Nga She has Master’s Degree in the English language She has a lot of experience in teaching English in general and English for Specific Purposes (ESP) in particular She has experience in designing materials for different courses and participating in many foreign projects as a translator/ interpreter/ secretary The helpful contributing ideas from the other English teachers are highly appreciated as well We sincerely thank the teachers of Quy Nhon College of Engineering and Technology, especially the teachers of faculty of Mechanical Engineering who have been enthusiastic to help us fulfil the book During the compilation, we have strived for making a complete coursebook, but certainly there are some unavoidable mistakes, so we hope to obtain the useful comments of teachers, students and readers Author Nguyen Thi Thanh Nga TABLE OF CONTENTS Introduction Unit 1: READING FOR SPECIFIC INFORMATION ABOUT FABRICATION MACHINES AND TOOLS Unit 2: DESCRIBING ENGINEERING MATERIALS Unit 3: DEFINING TECHNICAL TERMS OF MEASURING INSTRUMENTS Unit 4: READING FOR SPECIFIC INFORMATION ABOUT JOINING METHOD Unit 5: READING FOR SPECIFIC INFORMATION ABOUT SAFETY SIGNS AND PERSONAL SAFETY AT WORK Unit 6: READING FOR SPECIFIC INFORMATION ABOUT DETAIL DRAWINGS (STEEL CONSTRUCTION) Unit 7: READING FOR SPECIFIC INFORMATION ABOUT MARKING PROCEDURE Unit 8: READING FOR SPECIFIC INFORMATION ABOUT CUTTING PROCEDURE Reference material LIST OF FIGURES AND TABLES Fig.1 page 11 Fig.2 page 21 Fig.3 page 33 Fig.4 page 35 Fig.5 page 38 Fig.6 page 39 Fig.7 page 41 Fig.8 page 42 Fig.9 page 44 Fig.10 page 45 Fig.11 page 53 Fig.12 page 53 LIST OF ABREVIATIONS adjective adverb noun noun phrase phrasal verb preposition verb adj adv n nph phv Pre v ACADEMIC COURSEBOOK Subject: English for Specific Purposes – Machinery Fabrication Subject code: MH-11 Course duration: 90 hours; (Theory: 30; Practice: 58; Test: 2) I Position and property of the subject: - Position: This subject is scheduled prior to the occupational subjects in the curriculum of Machinery Fabrication - Characteristics: It is a compulsory subject in the curriculum of Machinery Fabrication - Role: This is an important subject Provided with the knowledge about English language and vocabulary for Machinery Fabrication, the learners have opportunities to update their specialized knowledge and they can also be qualified to work in domestic enterprises or foreign enterprises II Coursebook Objectives: Aims and Objectives of the subject: - Knowledge: + To be able to use basic English terminology for Machinery Fabrication and explain the common grammatical structures in the curriculum - Skills: + To be able to read and understand English materials on Machinery Fabrication + To be able to use English to ask and answer questions about the basic knowledge of Machinery Fabrication - Attitude: + To develop an attitude of creativity, responsibility and autonomy as demonstrated by students with a strong sense of curiosity, commitment, and independence + To be able to work individually or in a team III Subject content: General content and time allocation: No Name of chapter, section Unit 1: Reading for Specific Information about Fabrication Machines and Tools 1.1 Relevant knowledge 1.1.1 Vocabulary 1.1.2 Reading for specific information 1.2 Order of steps 1.3 Practice 1.3.1 Practice 1.3.2 Practice 1.3.3 Practice 1.3.4 Extra Practice 1.4 Consolidation & Testing Time allocation (hour) Total Theory Practice Test No Name of chapter, section Unit 2: Describing Engineering Materials 2.1 Relevant knowledge 2.1.1 Vocabulary 2.1.2 Grammar: 2.1.2.1 MAKE 2.1.2.2 To be used to and To be used for 2.2 Order of Steps 2.3 Practice 2.3.1 Practice 2.3.2 Practice 2.3.3 Practice 2.4 Consolidation & Testing Unit 3: Defining Technical Terms of Measuring Instruments 3.1 Relevant knowledge 3.1.1 Vocabulary 3.1.2 Grammar: Defining Relative clauses 3.2 Order of Steps 3.3 Practice 3.3.1 Practice 3.3.2 Practice 3.3.3 Practice 3.3.4 Practice 3.4 Consolidation & Testing Unit 4: Reading for Specific Information about Joining Method 4.1 Relevant knowledge 4.1.1 Vocabulary Order of steps Practice 3.1 Practice 3.2 Practice 3.3 Extra Practice 4.4 Consolidation & Testing Unit 5: Reading for Specific Information about Safety Signs and Personal Safety at Work 5.1 Relevant knowledge 5.1.1 Vocabulary Order of steps Practice 3.1 Practice 3.2 Practice 3.3 Practice Time allocation (hour) Total Theory Practice Test 9 9 No Name of chapter, section 5.3.4 Practice 5.4 Consolidation & Testing Unit 6: Reading for Specific Information about Detail Drawings (Steel Construction) 6.1 Relevant knowledge 6.1.1 Vocabulary Order of steps Practice 3.1 Practice 3.2 Practice 3.3 Practice 6.3.4 Practice 6.4 Consolidation & Testing Unit 7: Reading for Specific Information about Marking Procedure 7.1 Relevant knowledge 7.1.1 Vocabulary Order of steps Practice 3.1 Practice 3.2 Practice 3.3 Practice 3.4 Practice 7.4 Consolidation & Testing Unit 8: Reading for Specific Information about Cutting Procedure 8.1 Relevant knowledge 8.1.1 Vocabulary Order of steps Practice 3.1 Practice 3.2 Practice 3.3 Practice 8.3.4 Practice 8.4 Consolidation & Testing Total Time allocation (hour) Total Theory Practice Test 9 90 30 58 2 Detailed content: Unit READING FOR SPECIFIC INFORMATION ABOUT FABRICATION MACHINES AND TOOLS MH 11-01 Thời gian: (LT: 3; TH: 6; KT: 0) Introduction: Before carrying out a work, operating on a machine and using a tool, it is necessary for the workers to acquire basic knowledge and the skill of reading for specific information about fabrication machinery and tools in the field The learners will find the unit helpful for them Objectives and Learning outcomes: - Name the machines and tools as technical terms; - Use proper reading approach to comprehend the text about fabrication machinery and tools; - Seriously apply the reading approach to put into practice Main Content: 1.1.Relevant knowledge 1.1.1.Vocabulary A chisel ['t∫izl] A clamp [klæmp] A cold chisel [kould 't∫izl] A cross-head ['krɔs-hed] A drawer ['drɔ:] A hack saw [hæk sɔ:] A hammer ['hæmə] A hand drill [hænd dril] A ladder ['lædə] 10 A micrometer [mai'krɔmitə] 11 A paint brush [peint brʌ∫] 12 A paint roller [peint 'roulə] 13 A pair of pincers [peə(r) əv 'pinsə(r)z] 14 A pair of pliers [peə(r) əv 'plaiəz] 15 A pipe [paip] 16 A saw [sɔ:] 17 A screw [skru:] 18 A screwdriver ['skru:,draivə] 19 A set of spanners [set əv spænə] 20 A socket ['sɔkit] 21 A switch [swit∫] 22 A tenon saw [tenən sɔ:] 23 A vernier caliper ['və:niə 'kælipə] 24 A vice [vais] 25 An electric drill [i'lektrik dril] 26 An ended spanner [endid spænə] 27 Bolt [boult] 28 Bridge [bridʒ] 29 Cutters ['kʌtəz] 30 Nut [nʌt] 31 Plug [plʌg] (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) Cái đục Mỏ kẹp nhỏ di động Cái đục nguội Tuốc nơ vít cạnh Cái ngăn kéo Cưa sắt Cái búa Máy khoan quay tay Cái thang Panme – đo vi trắc, vi kế Chổi quét sơn Chổi lăn sơn Kìm nhổ đinh Một kìm (kìm điện/nguội) Cái ống Cái cưa Cái vít Tuốc nơ vít Một Cờ - lê Ổ cắm điện Công tắc điện Cưa gỗ Thước cặp Ê tô, mỏ kẹp Máy khoan điện cầm tay Cờ - lê dẹt hai đầu Bu lông Cây cầu Kìm bấm Đai ốc Phích cắm điện 10 13 14 15 16 17 18 Fig 5.3 Specific Safety Signs 5.4 Consolidation & Testing Think about Safety Signs and Personal Safety at Work Answer the following questions 1) What does PPE stand for? 2) What you think this sign means? (the Teacher shows the student a picture of any Safety signs at Work) 3) What color are Mandatory signs? 4) What Prohibition signs specify? 5) In what case/ situation should the respirators be used? 6) What you need to know if an alarm goes off at work? 7) Should the machinery be cleaned after use? 43 Unit 6: READING FOR SPECIFIC INFORMATION ABOUT DETAILED DRAWING (STEEL CONSTRUCTION) MH 11-06 Thời gian: (LT: 3; TH: 6; KT: 0) Introduction: In order to carry out steel constructions, mechanical engineers must read technical drawings first Therefore, this is the indispensable knowledge of the engineers of Machinery Fabrication How to read for specific information about the symbols, the basic terms, the abbreviations in a technical drawing is useful to them This unit will show them how to acquire this skill Objectives and Learning Outcomes: − Name the common symbols, the basic terms, the abbreviations in a technical drawing of Machinery Fabrication; − Use reading strategies to read a text about detail drawings of Machinery Fabrication; − To be active, hard-working in their studies and strictly apply the strategies while doing practice Main Content: 6.1 Relevant knowledge 6.1.1 Vocabulary approve [ə'pru:v] chamfer ['t∫æmfə] contractor [kən'træktə] distance ['distəns] Drawer ['drɔ:] drawing ['drɔ:iη] Hole ['houl] Indicator ['indikeitə] investor [in'vestə] (v) (n) (n) (n) (n) (n) (n) (n) (n) Chấp thuận, phê duyệt Vát mép, cạnh Nhà thầu Khoảng cách Người vẽ Bản vẽ Lỗ Chỉ dẫn Chủ đầu tư 44 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 length [leηθ] location [lou'kei∫n] material [mə'tiəriəl] painting ['peintiη] project [prə'dʒektə] quantity ['kwɔntəti] remark [ri'mɑ:k] scale [skeil] Scallop ['skɔləp] section ['sek∫n] signature ['signət∫ə] status ['steitəs] Sub contractor [sʌb kən'træktə] symbol ['simbəl] total ['toutl] unit ['ju:nit] washer ['wɔ∫ə] weight ['weit] (n) (n) (n) (n) (n) (n) (v/n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) Chiều dài Vị trí Nguyên liệu, vật liệu Sự sơn Dự án Số lượng Ghi Tỷ lệ vẽ Mép viền Sự cắt, chổ cắt, khu vực Chữ ký Chức danh, địa vị Nhà thầu phụ Ký hiệu Tổng cộng Đơn vị Vòng đệm Khối lượng 6.2 Order of steps Step Identify the information you need Step Move very quickly over the text and look for answers to only one question at a time Step When you locate the the information, read the surrounding text carefully to see if it is relevant Step Re-read the question to determine if the answer you found answers this question Step Write/choose the correct answer, and then move on to the next question and follow the same way 6.3 Practice 6.3.1 Practice Read the following passage and replace the words in italics with expressions from the passage which have similar meanings 1) a detailed drawing provides information to manufacture/ construction of the parts 2) Drawing that supplies information and instructions for the manufacture or construction of machines or structures 3) An assembly drawing supplies information for the assembly of these parts 4) Working drawing steps 5) Working drawing is classified into two main kinds of technical drawings   WORKING DRAWINGS 45 Drawing that supplies information and instructions for the manufacture or construction of machines or structures Working drawing is classified to: + Detailed drawing: provide information to manufacture/construction of the parts + Assembly drawing: Supply information for the assembly of these parts Working drawing steps: ● First an assembly drawing is drawn ● From the assembly drawing, a detailed drawing is made, and a number is given for each part ● Numbers also are given to each part in the assembly drawing according to the number in the detailed drawing (In CAD colors is preferred) Detailed drawing provide information/description to manufacture/construction of the parts: Shape description: Selection and number of views to describe the shape of the part Which could be: o orthogonal, sectional, o auxiliary, or enlarged o detailed views Specifications: o General notes, material, o heat treatment, surface o finish, and tolerances o Size description: o Dimensions and tolerances The List of Vocabularies and Terms in Title Sheet (Liệt kê từ vưng thuật ngữ tiếng Anh khung tên) Tên công ty chủ đầu tư (The name of company and investor) Ex : SUB CONTRUCTOR : Nhà thầu phụ Số vẽ (Drawing Number) Ex : DWG NO : 8474L-15PR04-BM-H-0131 0131 : số thứ tự Revision Border : Khung vẽ B A REV DATE DESCRIPTION DRAWN CHECKED REVIEWED APPROVED 46 REV : Tên vẽ DATE : Ngày tạo vẽ DRAWN : Bản vẽ tạo (Người tạo vẽ) CHECKED : Người kiểm tra vẽ Status : Chức danh người kiểm tra DESCRIPTION : Mô tả nội dung vẽ APPROVED : Bản vẽ bảo vệ chứng minh (Người tạo vẽ) The Common English Terms In Title Sheet (Thuật ngữ tiếng Anh thường gặp khung tên) : PROJECT : Tên dự án ( DUNG QUAT REFINERY PROJECT) BLOCK: Tên vẽ DRAWER : Người vẽ CHECKER : Người kiểm tra DRAFT MAN : Người vẽ nháp NAME : Tên DATE : Ngày tháng năm SIGNATURE : Chữ ký APPROVED BY : Chứng nhận, duyệt SCALE : Tỷ lệ vẽ REV : Bản vẽ THE VOCABULARY AND THE TERMS IN THE DRAWING LIST (Các ký hiệu, thuật ngữ viết tắt danh mục bảng liệt kê) MK DESCRIPTION LENGHT Q’TY MAT’L WEIGHT (KG) REMARK UNIT TOTAL ONE-15PR04-BM0216 H1 H294x200x8x12 5550 EP1 PL25x225 474 B1 H.S.BOLT 90 1 20 A325 1B,1N,2W H1 B1 ONE-15PR04-BM0217 H294x200x8x12 5580 H.S.BOLT 90 20 A325 1B,1N,2W H1 B1 ONE-15PR04-BM0218 H294x200x8x12 2015 H.S.BOLT 90 20 A325 1B,1N,2W 315.2 20.6 47 ONE-15PR04-BM0219 H1 H294x200x8x12 2015 B1 H.S.BOLT 90 20 MK: kí hiệu, mã vật liệu A325 1B,1N,2W DESCRIPTION : quy cách vật liệu LENGTH : Chiều dài Q’TY : QUANTITY Số lượng MAT’L : MATERIAL Vật liệu Ex :-A325 - SS400 WEIGHT (KG) : Khối lượng UNIT : Đơn vị TOTAL : Tổng cộng REMARK : ghi Kí hiệu loại thép : H : H beam (dầm chữ H) PL : plate ( mã) BOLT : BULÔNG Ex : BOLT M20 : bu lơng hệ mét có d =20mm U : thép hình chữ U ( thép U) L : thép hình chữ L (thép L) New words in the Note (Các từ phần ý) : UNLESS : Trừ ORTHERWISE : Cách khác OPEN : Mở rộng HOLE : Lỗ EDGE : cạnh mép DISTANCE : Khoảng cách PAINTING : Sơn AROUND : Xung quanh SCALLOP : Mép viền CHAMFER : Vát mép, cạnh INDICATOR : dẫn WASHER : Vòng đệm LOCATION :  Vị trí SECTION : Mặt cắt 48 6.3.2 Practice Read and explain a sample of a detailed drawing (Steel construction) Fig 6.1 A detailed construction drawing 6.4 Consolidation & Testing Think about Detaild Drawings Answer the following questions 1) Is the description of materials necessary in a detailed drawing ? 2) What information does a detailed drawing provide ? 3) What is not included in a detailed drawing ? 4) How you read the symbols in a detailed drawing ? 5) How you understand the abbreviations in a detailed drawing ? 49 Unit READING FOR SPECIFIC INFORMATION ABOUT MARKING PROCEDURE MH 11-07 Thời gian: (LT: 3; TH: 6; KT: 0) Introduction: Understanding marking procedure before workpiece processing is the basic knowledge that should be mastered by any student who studies Machinery Fabrication Through the appropriate technical terminology along with the description of the marking procedure, the students are provided with the necessary knowledge of the marking procedure and the reading skill for specific information about marking procedure Objectives and Learning Outcomes: − Name the steps which must be carried out in marking procedure of Machinery Fabrication; − Use reading strategies to read a text about Marking procedure; − To be active, hard-working in their studies and strictly apply the strategies while doing practice Main Content: 7.1 Relevant knowledge 7.1.1 Vocabulary 10 11 12 13 14 15 16 17 Accept [ək'sept] Allotment [ə'lɔtmənt] avoid [ə'vɔid] base line ['beis lain] Bend [bent∫] Check [t∫ek] component [kəm'pounənt] Controlled [kən'trould] Deformation [,di:fɔ:'mei∫n] dimension [di'men∫n] Drawing ['drɔ:iη] fabrication [,fæbri'kei∫n] Fault [fɔ:lt] identify ai'dentifai] loss [lɔs] Make sure [meik ∫uə] Material [mə'tiəriəl] (v) (n) (v) (n) (n/v) (v) (n) (adj) (n) (n) (n) (n) (n) (v) (n) (v) (n) Chấp nhận Sự phân chia Tránh Đường chuẩn Cong, uốn Kiểm tra Chi tiết, phận Điều khiển, quản lý Khuyết tật Kích thước Bản vẽ Chế tạo Lỗi Xác định Mất, khuyết Chắc chắn Vật liệu 50 18 mechanical method [mi'kænikl 'meθəd] 19 ordered ['ɔ:dəd] 20 pin and chisel [pin ænd 't∫izl] 21 Predict [pri'dikt] 22 Prior ['praiə] 23 Q/C Inspector [kju:/ si: in'spektə] 24 Receive [ri'si:v] 25 release [ri'li:s] 26 Required [ri'kwaiəd] 27 shrinkage ['∫riηkidʒ] 28 Store [stɔ:] 29 Supervisor ['su:pəvaizə] 30 Surplus ['sə:pləs] (n) Phương pháp khí (adj) (n) (v) (adj/ prep) (n) (v) (v) (adj) (n) (v) (n) (adj) Sắp xếp Chốt búa Dự đoán trước Ban đầu, sơ khởi Chuyên gia quản lý chất lượng Nhận tiến hành Được yêu cầu Sự co lại Bảo quản, dự trữ Người giám sát Dư thừa 7.2 Order of steps Step Identify the information you need Step Move very quickly over the text and look for answers to only one question at a time Step When you locate the the information, read the surrounding text carefully to see if it is relevant Step Re-read the question to determine if the answer you found answers this question Step Write/choose the correct answer, and then move on to the next question and follow the same way MARKING PROCEDURE - Receive the controlled drawings from supervisor - Receive the required materials from store - Make sure all of raw materials, which receive from storage keeper, will be checked and accepted by Q/C Inspector - Prior to start marking, cutting plans, showing allotment of the components of the ordered materials shall be made to minimize the losses and surpluses - Any bends or deformations of materials shall be corrected by mechanical method - The marking shall be carried out with a marking off pin and chisel in accordance with the fabrication drawings - The base lines, center line and checking points shall be provided on marking to avoid faults A surplus length shall be provided for the member on whom large welding shrinkage is predicted - Do the marking as per the drawing / dimension with guidance of supervisor whenever required / necessary - After marking, check dimensions as per drawing - Offer the marking plate/ pipe to inspector for checking as per drawing 51 - On obtaining clearance from inspector, marking to be done on marked positions - After marking, identify the plate/ pipe by marking heat No, part No, on the marked piece as per the drawing - Offer the same for re-inspection - After obtaining clearance from inspector, release for further operation of cutting 7.3 Practice 7.3.1 Practice Replace the words in italics with expressions from the passage which have similar meanings 1) The marking shall be carried out with a marking off pin and chisel in accordance with the fabrication drawings 2) Receive the required materials from store 3) A surplus length shall be provided for the member on whom large welding shrinkage is predicted 4) Offer the same for re-inspection 5) After obtaining clearance from inspector, release for further operation of cutting 7.3.2.Practice Fill in the table Verbs fabricate Nouns allotment deform identify predict storage marking 7.3.3 Practice Decide the following statements True or False True False 1) Receive the controlled drawings from a worker 2) Receive the required materials from store 3) After marking, check dimensions as per drawing 52 4) On obtaining clearance from inspector, marking to be done on marked positions 5) Offer the difference for re-inspection 6) Don’t carry out the marking as per the drawing / dimension with guidance of supervisor whenever required / necessary 7.4 Consolidation & Testing Think about Marking procedure Answer the following questions 1) Before Cutting procedure, what should be done? 2) Name the basic steps in Marking procedure 3) Should the controlled drawings be received from supervisor? 4) Are the required materials from store necessary? 5) Are there any bends or deformations of materials accepted? 6) Who is a Q/C Inspector? 7) How is the marking carried out? 53 Unit READING FOR SPECIFIC INFORMATION ABOUT CUTTING PROCEDURE MH 11-08 Thời gian: (LT: 3; TH: 6; KT: 1) Introduction: Once the marking procedure has been completed, the expert will proceed with the next cutting procedure In this lesson, the students are provided with the necessary knowledge of the cutting procedure and the reading skill for specific information about cutting procedure Objectives and Learning Outcomes: − Name the steps which must be carried out in cutting procedure of Machinery Fabrication; − Use reading strategies to read a text about Cutting procedure; − To be active, hard-working in their studies and strictly apply the strategies while doing practice Main Content: 8.1 Relevant knowledge 8.1.1 Vocabulary 10 11 12 13 14 Acetylene [ə'setili:n] Beveling ['bevəliη] Dissolved [di'zɔlvd] Flame [fleim] Goggles ['gɔglz] Grinder ['graində] hand gloves [hænd glʌvz] Nozzle ['nɔzl] Orifice ['ɔrifis] Plate [pleit] position [pə'zi∫n] scrap [skræp] Torch ['tɔ:t∫] Vertical ['və:tikl] (n) (n) (adj) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n) (n/ adj) Khí C2H2 Vát mép Hịa tan Khung, lửa Kính bảo hộ Mài, đá mài Bao tay bảo hộ Miệng, lỗ Miệng, vịi phun Tấm, mảnh Vị trí Phế liệu Mỏ hàn Hướng vng góc 54 8.2 Order of steps Step Identify the information you need Step Move very quickly over the text and look for answers to only one question at a time Step When you locate the the information, read the surrounding text carefully to see if it is relevant Step Re-read the question to determine if the answer you found answers this question Step Write/choose the correct answer, and then move on to the next question and follow the same way CUTTING PROCEDURE - Obtain clearance for cutting operation of marked plate/ pipe from supervisor Cutting and beveling plates, pipes shall be made by flame cutting torch Using saw cut, grinder cutting machine, Oxy/Fuel cutting torch shall cut pipe Select cutting nozzles according to various plate/pipe thicknesses Clean the nozzle orifice Make sure that the oxygen and fuel cylinders are filled with sufficient gas through gas regulator - Make sure that there is no leakage at any joints (near regulators, cutting torch and on cutting hoses) - Make sure that dissolved acetylene cylinder is in vertical position - Use cutting goggles and hand gloves - Check with supervisor the requirement of edge preparation (angle, single “V”, double “V” as per controlled drawing) - Carry out cutting operation as applicable - Make sure that while cutting, minimum half center punch marks are visible - After cutting, burrs, surface imperfections and contaminants on the bevels shall be removed by grinder or wire brush etc Any repaired carried out on the bevel shall be in accordance with an approved WPS and drawing - Offer the same for re-inspection - Shift cut scrap to the scrap yard - On obtaining clearance from inspector release it for further operation 8.3 Practice 8.3.1 Practice Replace the words in italics with expressions from the passage which have similar meanings 1) Obtain clearance for cutting operation of marked plate/ pipe from supervisor 2) Select cutting nozzles according to various plate/ pipe thickness 3) Make sure that there is no leakage at any joints (near regulators, cutting torch and on cutting hoses) 55 4) Carry out cutting operation as applicable 5) Make sure that while cutting, minimum half center punch marks are visible 8.3.2.Practice Fill in the table Verbs clear Nouns operation grind select requirement contamination 8.3.3 Practice Decide the following statements True or False True False 1) Obtain clearance for cutting operation of marked plate/ pipe from supervisor 2) Carry out cutting operation as inapplicable 3) Don’t clean the nozzle orifice 4) Make sure that while cutting, minimum half center punch marks are visible 5) Select cutting nozzles according to various plate/pipe thicknesses 6) Cutting goggles and hand gloves shouldn’t be used 8.4 Consolidation & Test Think about Cutting procedure Answer the following questions 1) Name the basic steps in Cutting procedure 2) What machines or tools are used for cutting? 3) Should cutting goggles and hand gloves be used during Cutting process? 4) Is it necessary to make sure that the oxygen and fuel cylinders are filled with sufficient gas through gas regulator? 5) Where should cut scrap be shifted to? 6) Should the nozzle orifice be cleaned? 56 7) What is Oxy/Fuel cutting torch? What is it used for? 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