What is the capability of a profilometer instrument?

This question was previously asked in
RRB JE ME 22 Apr 2025 Shift 2 CBT 2 Official Paper
View all RRB JE Papers >
  1. Measure surface waviness only
  2. Measure surface roughness only
  3. Measure surface flaws only
  4. Measure roughness together with waviness and any other surface flaws

Answer (Detailed Solution Below)

Option 4 : Measure roughness together with waviness and any other surface flaws
Free
General Science for All Railway Exams Mock Test
2.1 Lakh Users
20 Questions 20 Marks 15 Mins

Detailed Solution

Download Solution PDF

Explanation:

Profilometer Instrument

  • A profilometer is a high-precision measuring instrument used to measure the surface topology, roughness, waviness, and other surface characteristics of a material. It is widely used in manufacturing and quality control processes to ensure that surfaces meet the required specifications and standards.
  • A profilometer typically works by tracing the surface of a material using a stylus or an optical sensor. The sensor moves over the surface and measures its deviations from a reference plane. These deviations are then analyzed to determine surface roughness, waviness, and the presence of any flaws or irregularities.
  • profilometer is designed to measure multiple surface characteristics, including surface roughness, waviness, and flaws. Surface roughness refers to the fine irregularities on the surface, waviness corresponds to the larger undulations or deviations over a broader area, and flaws refer to defects such as scratches, cracks, or pits. Modern profilometers are equipped with advanced sensors and software that can measure and analyze all these parameters accurately.

Applications:

  • Inspection of machine parts to ensure high-quality finishes.
  • Measurement of surface roughness in industries such as automotive, aerospace, and electronics.
  • Analysis of wear and tear on components over time.
  • Evaluation of surface coatings and their adherence to specifications.
Latest RRB JE Updates

Last updated on Jun 7, 2025

-> RRB JE CBT 2 answer key 2025 for June 4 exam has been released at the official website.

-> Check Your Marks via RRB JE CBT 2 Rank Calculator 2025

-> RRB JE CBT 2 admit card 2025 has been released. 

-> RRB JE CBT 2 city intimation slip 2025 for June 4 exam has been released at the official website.

-> RRB JE CBT 2 Cancelled Shift Exam 2025 will be conducted on June 4, 2025 in offline mode. 

-> RRB JE CBT 2 Exam Analysis 2025 is Out, Candidates analysis their exam according to Shift 1 and 2 Questions and Answers.

-> The RRB JE Notification 2024 was released for 7951 vacancies for various posts of Junior Engineer, Depot Material Superintendent, Chemical & Metallurgical Assistant, Chemical Supervisor (Research) and Metallurgical Supervisor (Research). 

-> The selection process includes CBT 1, CBT 2, and Document Verification & Medical Test.

-> The candidates who will be selected will get an approximate salary range between Rs. 13,500 to Rs. 38,425.

-> Attempt RRB JE Free Current Affairs Mock Test here

-> Enhance your preparation with the RRB JE Previous Year Papers

Get Free Access Now
Hot Links: dhani teen patti teen patti apk teen patti tiger teen patti rummy teen patti master gold apk