Computer · Environmental Engineering
Slow sand filters are typically cleaned at an interval of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 11 to 3 hours
- 21 to 3 days
- 31 to 3 months✓
- 41 to 3 years
Correct answer
1 to 3 months
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
Start Free Mock Test →Preparing for Computer?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Environmental Engineering MCQs →Want more practice questions on Environmental Engineering?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Computer · Environmental Engineering