IOCL Junior Operator General Science MCQ Part-6 || IOCL Junior Operator General Science Questions and Answers1. Riffler files are primarily used for:1 . Sharpening woodworking saws 2 . Finishing automobile bodies 3 . Die-sinking & engraving 4 . Finishing sharp corners Answer and SolutionAnswer: "Die-sinking & engraving "Riffler files are used for die-sinking, engraving, and silversmith’s work. Discuss2. Mill saw files are typically used for:1 . Die-sinking 2 . Sharpening teeth of wood-working saws 3 . Automobile body repair 4 . Finishing sharp corners Answer and SolutionAnswer: "Sharpening teeth of wood-working saws "Mill saw files are used for sharpening woodworking saw teeth. Discuss3. Which file is also known as a 'fish back' file?1 . Barrette file 2 . Tinker’s file 3 . Crossing file 4 . Rotary file Answer and SolutionAnswer: "Crossing file "The crossing file is also known as a ‘fish back’ file. Discuss4. A barrette file is characterized by:1 . A flat, triangular face with teeth on the wide face only 2 . A rectangular shape with teeth only at the bottom 3 . A round shank 4 . Teeth on all faces Answer and SolutionAnswer: "A flat, triangular face with teeth on the wide face only "The barrette file includes its flat, triangular shape and teeth only on the wide face. Discuss5. What is the primary use of a tinker's file?1 . Sharpening saws 2 . Die-sinking 3 . Engraving 4 . Finishing automobile bodies after tinkering Answer and SolutionAnswer: "Finishing automobile bodies after tinkering "Tinker’s files are used specifically for finishing automobile bodies after tinkering (body repair). Discuss6. Rotary files are driven by:1 . Hand power 2 . Portable motor 3 . Direct connection to a power outlet 4 . Compressed air Answer and SolutionAnswer: "Portable motor "Rotary files require a special machine with a portable motor and a flexible shaft for operation. Discuss7. Which files are suitable for both inner and outer surface filing?1 . Machine files 2 . Tinker’s files 3 . Riffler files 4 . Barrette files Answer and SolutionAnswer: "Machine files "Machine files are suitable for filing both inner and outer surfaces. Discuss8. What is the shape of a mill saw file?1 . Triangular 2 . Flat with square or rounded edges 3 . Half-round 4 . Rectangular with teeth only at the bottom Answer and SolutionAnswer: "Flat with square or rounded edges "Mill saw files is usually flat with square or rounded edges. Discuss9. Which file has different curves on each side?1 . Barrette file 2 . Mill saw file 3 . Tinker’s file 4 . Crossing file Answer and SolutionAnswer: "Crossing file "The crossing file has different curves on each side. Discuss10. For which application would a barrette file be MOST suitable?1 . Sharpening a saw blade. 2 . Smoothing a curved surface. 3 . Removing material from a large flat surface. 4 . Finishing a sharp internal corner. Answer and SolutionAnswer: "Finishing a sharp internal corner. "The barrette files are used for finishing sharp corners. Discuss12345