Question
Download Solution PDFFor flowering or frosting _____ scraper is used
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Scrapers
- Scrapers are used to correct slight errors on all flat or curved surfaces.
- Scrapers are made up of high-grade tool steel or special alloy steel and tungsten carbide tipped tools.
Frosting
- The frosting is a process in which scraped metal surface is decorated with the use of hand scraper.
- Frosting can also be called as flaking or flowering.
- When a patterned finish is formed on a polished or scraped flat surface
Why frosting is used
- The frosting used as a way of increasing oil retention on scraped or polished surfaces.
- This is important with machine parts in order to keep them lubricated and moving smoothly instead of sticky and jerky movement.
- Without the frosting, the oil would runway, leaving just the two metal surfaces in contact with each other, which is likely to cause seizure of the machine.
Types and uses of scraper:
|
Flat scrapers with rectangular blades |
Used for scraping large flat surfaces |
|
Hook scrapers with rectangular blades |
Used for scraping the centre portion of large flat surface where it is not convenient to use of flat scraper. It is used for frosting. |
|
Half round scraper |
Used for scraping curved surface. |
|
Three square or triangular scraper |
Used for scraping small diameter holes and deburring edges of accurate holes. It has point cutting edge. |
|
Bull nose scraper |
Used for scraping large bearings. It can be used two ways either with circumferential movement or longitudinal movement. |
Last updated on Jul 11, 2025
-> All the aspiring candidates who wish to sit for the online examination scheduled for 15th July 2025, can download the ALP CBAT Admit Card using the direct link provided in the article.
-> RRB ALP Exam Date OUT. Railway Recruitment Board scheduled the RRB ALP Computer-based exam for 15th July 2025. Candidates can check out the Exam schedule PDF in the article.
-> Railway Recruitment Board activated the RRB ALP application form 2025 correction link, candidates can make the correction in the application form till 31st May 2025.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> Bihar Home Guard Result 2025 has been released on the official website.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The official RRB ALP Recruitment 2025 provides an overview of the vacancy, exam date, selection process, eligibility criteria and many more.
->The candidates must have passed 10th with ITI or Diploma to be eligible for this post.
->The RRB Assistant Loco Pilot selection process comprises CBT I, CBT II, Computer Based Aptitude Test (CBAT), Document Verification, and Medical Examination.
-> This year, lakhs of aspiring candidates will take part in the recruitment process for this opportunity in Indian Railways.
-> Serious aspirants should prepare for the exam with RRB ALP Previous Year Papers.
-> Attempt RRB ALP GK & Reasoning Free Mock Tests and RRB ALP Current Affairs Free Mock Tests here