IOCL Junior Operator General Science MCQ Part-6 || IOCL Junior Operator General Science Questions and Answers31. What are the three main parts of a chisel?1 . Handle, blade, tip 2 . Grip, shank, point 3 . Head, body, cutting edge (point) 4 . Top, middle, bottom Answer and SolutionAnswer: "Head, body, cutting edge (point) "The standard parts of a chisel are the head (where the hammer strikes), the body, and the cutting edge (or point). Discuss32. What materials are commonly used to make chisels?1 . Soft steel 2 . Aluminum 3 . Brass 4 . High carbon steel Answer and SolutionAnswer: "High carbon steel "Chisels need to be made from strong, hard materials like high carbon steel or chrome vanadium steel. Discuss33. What are common cross-sectional shapes for chisel bodies?1 . Round and square 2 . Flat and rectangular 3 . Triangular and oval 4 . Hexagonal or octagonal Answer and SolutionAnswer: "Hexagonal or octagonal "Hexagonal and octagonal shapes provide a good grip and prevent the chisel from rotating during use. Discuss34. Which part of a chisel is hardened and tempered?1 . The head 2 . The entire chisel 3 . The body 4 . The cutting edge (point) Answer and SolutionAnswer: "The cutting edge (point) "The cutting edge needs to be hard to cut effectively, so it is hardened and tempered. Discuss35. Which chisel is used to remove metal from large flat surfaces?1 . Cross-cut chisel 2 . Flat chisel 3 . Half-round nose chisel 4 . Diamond point chisel Answer and SolutionAnswer: "Flat chisel "Flat chisels are best suited for working on large, flat surfaces. Discuss36. What type of chisel is used for cutting keyways, grooves, and slots?1 . Flat chisel 2 . Cross-cut chisel 3 . Half-round nose chisel 4 . Diamond point chisel Answer and SolutionAnswer: "Cross-cut chisel "Cross-cut chisels are designed for cutting narrow features like keyways and grooves. Discuss37. Which chisel is used for cutting curved grooves (like oil grooves)?1 . Half-round nose chisel 2 . Flat chisel 3 . Cross-cut chisel 4 . Diamond point chisel Answer and SolutionAnswer: "Half-round nose chisel "The curved shape of a half-round nose chisel is ideal for creating curved grooves. Discuss38. Which chisel is used for squaring corners and joints?1 . Flat chisel 2 . Cross-cut chisel 3 . Half-round nose chisel 4 . Diamond point chisel Answer and SolutionAnswer: "Diamond point chisel "The pointed shape of a diamond point chisel is useful for shaping corners. Discuss39. Which chisel is used for separating metals after chain drilling?1 . Flat chisel 2 . Cross-cut chisel 3 . Diamond point chisel 4 . Web chisel Answer and SolutionAnswer: "Web chisel "Web chisels, also known as punching chisels, are used to separate metal after a series of holes have been drilled (chain drilling). Discuss40. What determines the correct point angle of a chisel1 . The length of the chisel 2 . The material being chipped 3 . The size of the hammer 4 . The temperature of the chisel Answer and SolutionAnswer: "The material being chipped " The correct point angle of a chisel determine the material being chipped. Different materials require different point angles for optimal cutting. Discuss12345
