General Studies · Metrology and Inspection
Which of the following roughness grade numbers indicates a surface roughness value (Ra) of 6.3 μm?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1N11
- 2N9✓
- 3N8
- 4N12
Correct answer
N9
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Preparing for General Studies?
Practice full-length General Studies mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Metrology and Inspection MCQs →Want more practice questions on Metrology and Inspection?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in General Studies · Metrology and Inspection