objective questions on metal casting

Aurora Classes

Jan 28, 2019The metal bob is nonimmersed in a liquid having density 1/10 that of the metal of the bob. The liquid is nonviscous. Now the period of the same pendulum with its bob remaining all the time in the liquid will be (a) syllabus,objective questions,syllabus,weblinks. magnetic field (2)

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stress and strain

A metal wire is mm diameter and 2 m long. A force of 12 N is applied to it and it stretches mm. Assume the material is elastic. Determine the following. i. The stress in the wire . ii. The strain in the wire . SOLUTION 4 2 2 2 2 N/mm 12 A F 1 mm x 4 G A Answer (i) is hence MPa or 150 2000 mm L x

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Multiple Choice Questions and Answers on Optical Fiber

Jan 09, 2020Electronics Questions and Answers (20) Filter Circuits (9) Founder Speaks (3) GATE Questions and Answers (1) Integrated Circuits (7) Interview (8) Introduction to Electronics (1) JK Flip Flop (3) Logic circuits (1) Logic Gates and Boolean Algebra (10) Long Questions and Answers (3) MCQ (3) Multiple Choice Questions and Answers (57) Number

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DV03PUB6

Casting Fundamental Manufacturing Processes Study Guide, DV03PUB6 1 Training Objective After watching the program and reviewing this printed material, the viewer will learn the essentials of the various metal casting processes used in industry today. • The basic principles of casting are explained.

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Material Science/Introduction Multiple Choice Questions

Material Science/Introduction Multiple Choice Questions Satish V. Kailas/IISc, Bangalore M1/V1/June 04/1 Multiple Choice Questions: 1. First material known to be used by man (a) Cotton (b) Bronze (c) Iron (d) Rock 2. First metal known to be used by man (a) Iron (b) Bronze (c) Silver (d) Aluminium 3.

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Top 50 iOS Interview Questions Answers 2021

Aug 24, 2021Here are the top 50 iOS interview questions and their answers. These questions are framed by experts from Intellipaat who train for the iOS Training Course to give you an idea of the type of questions that are asked in interviews. We have taken full care to give the top answers to all the questions.

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Engineering Drawing

Engineering Drawing Practice for Schools 81 Colleges BUREAU OFINDIANSTANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002

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CHAPTER 3: PRODUCTION BILL OF MATERIALS

Chapter 3: Production Bill of Materials 37 Field Comments Unit of Measure Code Use the Assist button (F6) to select the unit of measure used by this production BOM line. It defaults from the item or

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CASTING LAB #1 REPORT: INTRODUCTION TO SAND

Apr 02, 2014Cant mess up. The mold and metal will be wasted Advantages and Disadvantages of Permanent Mold Casting In comparison to green mold sand casting, what are the principal advantages and disadvantages of EPC? In answering this question, you are going to need to go on the internet rather than rely on your text.

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Linked Multiple Choice Questions – Photoelectric Effect

Linked Multiple Choice Questions – Photoelectric Effect. The six questions below ask about classical and quantum predictions for the photoelectric effect. Each question describes a situation, and then a change to the situation. In the blank to the left of the question choose the appropriate answer from the list of answer below.

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MACHINING OPERATIONS AND MACHINE TOOLS

•Most common application: to shape metal parts •Machining is the most versatile and accurate of all manufacturing processes in its capability to produce a diversity of part geometries and geometric features Casting can also produce a variety of shapes, but it lacks the precision and accuracy of machining

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(PDF) TYPICAL QUESTIONS ANSWERS PART

Choose correct or the best alternative in the following: The "Superposition theorem" is essentially based on the concept of (A) duality. (B) linearity. (C) reciprocity. (D) nonlinearity. Ans: B Cells are connected in parallel in order to (A) increase the voltage available. (B) reduce cost of wiring.

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Multiple Choice Questions for CAD/CAM

Oct 17, 2013Multiple Choice Questions for CAD/CAM 1. MCQs of CAD/CAM 1. In a CAD package, mirror image of a 2D point P (5, 10) is to be obtained about a line which passes through the origin and makes an angle of 45 counterclockwise with the Xaxis.

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Types of Moulding Sand in Casting Process

Sep 29, 2016It is suitable for making large castings. The moulds which is prepared in dry sand is known as dry sand moulds. If we talk about the physical composition of the dry sand then it is same as that of the green sand except water. 3. Loam Sand. It is a

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KS3 Science

Show all 20 random questions. previous Q next Q. Which gas is formed when a metal reacts with an acid? [7f1] ? casting iron from a blast furnace ? Solution X produced a moderate ''fizzing'' reaction with a strip of magnesium metal. A test tube of the gas formed gave a squeaky pop with a lit splint.

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What is the Metal Solidification Process?

Aug 14, 2017The casting process starts by heating a metal alloy in a crucible until it melts. When a metal is heated above its freezing point, it becomes liquid. This is also known as its melting point. The melting point of metal depends upon the type of metal or alloy being used. For instance, our zinc alloys melt around 900 degrees F, whereas some of the

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MATERIAL SCIENCE OBJECTIVE QUESTIONS

Jul 23, 2016Objective questions for unit 1. 1. Repeatable entity of a crystal structure is known as. 2. Coordination number for closest packed crystal structure. 3. Atomic packing factor is. (a) Distance between two adjacent atoms (b) Projected area fraction of atoms on a plane (c) Volume fraction of atoms in cell (d) None. 4.

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Solidification and Cooling

The solidification time of a casting is proportional to V A 2,Where V is the volume of the casting and A is the total casting surface area losing heat. Two cubes of same material and size are cast using sand casting process. The top face of one of the cubes is completely insulated.

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