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To make the holes, use twist drills. Assuming 2 mm clearance at approach and exit, the total drill time (in seconds) is Drilling machines are one of the most dangerous hand operated pieces of equipment in the shop area. How to Specify a Drilling Machine: (a) Portable drilling machine is specified by the maximum diameter of drill which can be held. 7. 4. 3. 4. deliver the molten metal from pouring basin to gate. We can make a hole on the job piece by this operation. Drilling and Related Operations. 116 machine operator Jobs in Wapakoneta, OH. What is drilling machine? Easy Apply. This permits the table to swing up to 45 in either direction for angular and helical milling operations. 8. Machine Tools and Their Applications 1 - Mechanical Engineering (MCQ) questions and answers. CNC drilling machine is considered to be a: (a) Point-to-point controlled machine (h) Straight line controlled machine (c) Continuous path controlled machine (d) Servo-controlled machine Ans: A 56. (a) upward. 5. Types of layout There are mainly four types of plant layout: (a) Product or line layout (b) Process or functional layout (c) Fixed position or location layout (d) Combined or group layout (a) Product or Line layout In an industrial set up, sometime, the machines and equipments are arranged in one line depending upon the sequence of operations required for the product. A CNC machine tool has a continuous part control both linear and circular along X, Y, Z and control of table rotation about X axis and Z axis, so the machine should be called. 2. In this page you will find Iti fitter multiple choice questions paper with answers pdf cutting tools and operation. Machinability A machine operation in which a work part is fed past a rotating cylindrical tool with multiple edges. During drilling operation on a lathe machine, the tool moves _____ the axis of the workpiece A. Perpendicular to B. Assuming 2 mm clearance at approach and exit, the total drill time (in seconds) is (B) Specific heat. SET 1 of Drilling machine mcq. In this page you will find Iti fitter multiple choice questions paper with answers pdf cutting tools and operation. 3. It is a machining operation by which we can produce a helical groove on the cylindrical surface of the job piece. Q9.The material which holds the fine grains of abrasive material in grinding wheel is called as a) Compound b) Bond c) Hold d) None of the above Interpolator is present in case of. Interpolator is present in case of. List the types of drilling machines. 2. all of the above. 1. feed the molten metal to the casting in order to compensate for the shrinkage. Correct. a) rotary b) translating c) fixed d) none of the mentioned View Answer. Which of the following operations is carried out at a minimum cutting velocity if the machines are equally rigid and the tool work materials are the same? We can move the tail stock towards the job piece. CNC machining has the following main advantage over conventional machining practice. This sets of objective questions or MCQs more focuses on Drilling machines. Before solved this i suggest you read this 3. Computer Numerical Control machine tool. Define conventional milling. Figure 2.1(a) shows a common drilling arrangement in a drilling machine. Lathes Lathes are the oldest machine tools Lathe Components Bed: supports all major components Carriage: slides along the ways and consists of the cross- slide, tool post, apron Headstock Holds the jaws for the work piece, supplies power to the jaws and has various drive speeds Tailstock supports the other end of the workpiece Feed Rod and Lead Screw Feed rod is powered by a set of Examples: Single-spindle drilling machines, various types of electrical hand tools and simple types of metal working machine tools and mechanisms. In drilling operation, work should be held by hand. It may be of straight or taper shank type. 4. It is the one of the machine tools used in work shops. The drill bits are also called as Multi-point cutting tools which can have their rapid impact on the Material Removal Rate (MRR) i.e. To cut threads using a lathe machine _____ is required A. Toolpost B. 1. In milling operation, the cutter is provided with the_____motion. Calculate the cutting speed of drilling operation when diameter of drill is 10 mm and rotational speed of drill is 200 r.p.m. 30d+. The sensitive drilling machine is a_____machine widely used in workshops. New Bremen, OH. a) drilling and milling b) milling and turning c) boring and drilling d) turning and planning. Mechanical Engineering MCQ questions and answers for an engineering student to practice, GATE exam, interview, competitive examination and entrance exam. 1. Showing 1 to 10 out of 11 Questions twist drill Show Answer: Answer: Option (b) 4. February 24, 2012. by Electrical4U. MCQ in Machine Design and Shop Practice Part 2 as part of the coverage of Mechanical Engineering Board Exam (ME). Main property of cutting fluid is. Now a days, in almost every applications, electric motors are used, and to control them electrical drives are employed. 3. is short and stocky. Milling Machine Multiple Choice Questions and Answers for competitive exams. 8. The_____Machine can be easily taken to required place. This set of Machine Tools Multiple Choice Questions & Answers (MCQs) focuses on Operation on Drilling Machine. 1. Which of the following operation, we cant perform on drilling machine? 5. A gear is a rotating machine part with cut teeth or inserted teeth (cogs), which mesh with another toothed part to transmit torque. Drilling removes solid metal from the job to produce a_____. Tapping is carried out by using tap tool. Q4.Which m/c is suitable for drilling machine is used to drilling operation on the work pieces which are too heavy and also maybe too large to mount on worktable? Q5.Which operation can correct hole location, size or alignment of the hole which is already drilled in work piece? c) Both a. MCQ on design to manufacturing. the work piece and the hole may be drilled quickly and accurately. A group of machines tools arranged in a sequence to work as a single unit which is automated is known as: A) Transfer machines B) Standard machine tools C) Special purpose machine D) None of these 27. It is the operation of the production of a flat A CNC machine tool has a continuous part control both linear and circular along X, Y, Z and control of table rotation about X axis and Z axis, so the machine should be called. (b) Sensitive and upright drilling machines are specified by the diameter of the largest work piece that can be drilled. (b) downward. C. SET 3:-Lathe Machine MCQs in mechanical engineering. Multiple Choice Questions On Drilling Machine MCQs in Mechanical Engineering part 3. safety procedures during drilling operations will help eliminate accidents, loss of time, and materials. 3. act as a reservoir for the molten metal. The purpose of a riser is to. In which type of operation, motion of cutting tool is translating? Editor-in-Chief, Modern Machine Shop. 1 points. 37. Conclusion: A lathe is a machine that rotates the workpiece about an axis to perform different operations such as turning, facing, taper turning, knurling, grooving, parting off, thread cutting, reaming, etc. objectives to design flexible drilling machine. Pillar drilling machine drills holes up to 75 mm. In a single pass drilling operation, a through hole of 15 mm diameter is to be drilled in a steel plate of 50 mm thickness. Drilling Machine Operation Questions and Answers - Sanfoundry to drill holes in various locations such as horizontal, vertical or even up down. A) true B) false Answer: A. Questions and Answers on lathe machine working and tools. C. Arbor support-the casting that supports table and saddle. Which of the following is machining operation: A) Forging B) Drilling C) Rolling D) Stamping 28. The purpose of a riser is to. It may be bench or floor mounted. Regulating wheel is a component of surface grinding machine. 3. Boring operation 7. Milling. Reaming. Lead screw C. Headstock D. All of the above The radial arm rotates 360 degrees. Drilling is a hole-making machining operation accomplished using a drilling tool. The gear cutting operation in a milling machine by using_____. 5 Induction motor is a. b. fixture. Mechanical Engineering MCQ questions and answers especially for the Mechanical Engineer and who preparing for GATE Exam. It enables the operator to "feel" how the drill is cutting and to control the down feed pressure accordingly. Q1 Which machine tool reduces the number of set-ups in machining operation, time spent insettingmachine tools and transportation between sections of machines? MCQs: Which drilling machine is used to perform drilling operation on the workpieces which are too heavy and also maybe too large to mount on worktable? a) horizontal b) vertical c) cant say anything d) none of the mentioned 3. 8. Part 21: List for questions and answers of Drilling Machine . The type of braking system referred to as power brake, makes use of. 54. Radial arm drilling machine is mainly used for drilling, boring, tapping, casing, countersinking, reaming, The equipment is widely used in machining, mold manufacturing and other industries. The drilling machine is the second most important machine tool in a workshop. 1. 22.12 The basic milling machine is which one of the following: (a) bed type, (b) knee-and-column, (c)profiling mill, (d) ram mill, or (e) universal milling machine? It is a small machine designed for drilling small holes at high speeds in light jobs. Fixtures are used in connection with. 9. c. both a. and b. d. none of the above. c. tapping operation. 9. Boring: Boring is a type of drilling operation in which we increase the diameter of the hole which was a) true b) false Answer: b 8. Also here Fitter iti, Iti mcq, For iti jobs, Iti online exam, Iti course, iti govt job, Iti fitter government job, What iti course, iti course list, iti fitter question paper, iti fitter syllabus. As regards its importance it is second only to the lathe machines.Holes were drilled by the Egyptians in 1200 B.C. 1. 1 points. These short objective type questions with answers are very important for Board exams as well as competitive exams. a) true. 2 The slip of induction motor at no load is. 4 The synchronous speed of a 220 V, 4 pole, 1 hp, 50 Hz induction motor is. Shape, Tolerance and Surface Finish. Adaptive Control Systems. Which of the following best describes the B? Experience using hand-measurement tools; micrometer, caliper, dial indicator is a plus. In drilling operation, work should be held by hand. Lathe Machine multiple choice questions and answers on Lathe Machine MCQ questions quiz on Lathe Machine questions. MCQ quiz on Milling Machine multiple choice questions and answers on Milling Machine MCQ questions quiz on Milling Machine objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Questions and Answers on Milling machine working and tools. This is the most common machining process, one estimate is that 75% of all metal cutting material removed comes from the drilling operation. Week 3: General purpose machine tools : Lathe, Milling machine and grinding machine, Drilling and shaping machines, Alignment tests : Radial drilling machine, MCQ discussions : Week 4: Gear cutting machines, Fixed automation, CNC machines Non-traditional machine tools, rapid prototyping machines, MCQ discusions IIT The most widely used brakes are operated. It consists of a base, a vertical column, horizontal table, a head supporting the motor and driving mechanism and a vertical spindle for driving and rotating the drill.Total drilling operation is manually controlled. machine and a plain horizontal milling machine is the addition of a table swivel housing between the table and the saddle of the universal machine. 3 If induction motor turns at synchronous speed, the induced voltage is. This sets of objective questions or MCQs more focuses on Drilling machines. b. reaming operation. Milling Machine multiple choice questions and answers on Milling Machine MCQ questions quiz on Milling Machine questions. operating. Switch on the drill machine. Drilling Machine: It is a machine which is used to drill the holes on the components or workpiece with the help of drill bits. Machining Principles & Machine Tools (ME602) MCQ type questions 1. Electrical Engineering MCQ [ hide] 1 Starters are used in induction motor. Practice Test: Question Set - 07 1. Lets discuss all lathe machine operations one by one as follows. FollowingNever clean away chips with your hand. There are some specialized twist drills as well to do operations like Spotting, where you drill a little dimple at the holes precise location to ensure the twist drill Following drills are made of one piece of material. Machine operators set up, control and maintain a. 2. a) Sensitive drilling machine b) Radial drilling machine c) Gang drilling machine d) Multiple spindle drilling machine It is desired to perform the operations like drilling, reaming, counter A device, in which a component is held and located for a specific operation and bushes are integrated that guide the tool, is called as. But the operating time for all motors are not the same. Subject: Drilling Machine. 4. deliver the molten metal from pouring basin to gate. Drilling Machine Definition: Drilling is a material-removing or cutting process in which the tool uses a drill bit to cut a hole of circular cross-section in solid materials. Q8. 5. Drill spindle speed is 500 rpm, feed is 0.2 mm/rev and drill point angle is 118. Drilling machines are subjected for drilling holes, tapping, counter boring, reaming, and general boring operations. For driving heavy machines such as for lifts, cranes, shapers, lathes etc. The drilling machine is the second most important machine tool in a workshop. In the vacuum suspended system, the 10. Merchant's circle diagram ( MCD ) in machining deals with drilling operation is a) 100 mm b) 20 mm c) 10 mm d) 0.2 mm 25. 2. deliver molten metal into the mould cavity. The drilling machine is the second most important machine tool in a workshop. Reaming is enlarging the size of the holes to the required size. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. This is the Multiple Choice Questions Part 1 of the Series in Machine Design and Shop Practice MDSP as one of the Mechanical Engineering topic. operating. Question. TYPES OF DRILLING MACHINE OPERATION OF DRILLING MACHINE The drilling machine or drill press is one of the most common and useful machineemployed in industry for producing forming and finishing holes in a work piece. (D) Viscosity. a. drilling operation. Side and end milling cutters. According to clamping and transmission mode, it is divided into mechanical radial and hydraulic radial. a.Turning b.Milling c.Shaping d.Drilling Which of the following machine does require a quick return mechanism? safety procedures during drilling operations will help eliminate accidents, loss of time, and materials. In conventional milling, the cutting tool rotates in the opposite direction These short solved questions or quizzes are provided by Gkseries. The hole is made in the workpiece by the drills. MCQs of Boring Machine. Drilling machines are subjected for drilling holes, tapping, counter boring, reaming, and general boring operations. Auglaize Erie Machine inc. CNC Machine Operator - Lathe/Mill. Free Engineering Books PDF. Answer. Here, I will show you some Multiple-Choice Questions on Milling Machine along with one quiz test so that you get interested in studying the topic. CNC drilling machine is considered to be a: (a) Point-to-point controlled machine (h) Straight line controlled machine (c) Continuous path controlled machine (d) Servo-controlled machine This questions and answers may helps in you competitive exams, placements and all university online exams. As a rule when comparing the front and rear wheel cylinder pistons it will be found that the pistons in the front wheel cylinders are. 1 MCQs on Milling Machine Operations 1. 2. 1. A machining center is a CNC machine tool capable of performing multiple types of cutting operations involving rotating spindles (e.g., milling, drilling); the machine is typically equipped with automatic tool-changing, pallet shuttles to speed workpart changing, and automatic workpart positioning. 1. Question 4 of 20. illustrates the side milling operation. usually made of cast iron, provides stability for the machines and also rigid mounting for the column. solid drills. The drilling machine is defined as a machine which is used to make a circular hole, a tool used to drill the holes of different size and other related operations using a drill bit.. Motor Duty Class and its Classification. Take the job to the drilling machine. B. Arbor support-the casting that contains a bearing that aligns the outer end of the arbor with the spindle. Answer: b. Clarification: Work shouldnt be held by hand as it may causes injuries to the operator. These short objective type questions with answers are very important for Board exams as well as competitive exams. 1. The point of the twist drill and the centre point of the hole should be in line. All the files you find on here is in PDF Format. Side milling. The drill is on the tailstock and the operation is performed by moving the drill in the workpiece by rotating the handle of the tailstock. Which drilling machine is used to perform drilling operation on the workpieces which are too heavy and also maybe too large to mount on worktable? $25K - $35K (Employer est.) The rst commercial CNC machine was developed in the year: (a) 1970 (b) I972 (c) l976 (d) I980 Ans: 55. (a) Sensitive drilling (b) Portable drilling (c) Gang drilling (d) Radial drilling.

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