Mathematics · Geotechnical Engineering
A variable head permeability test was conducted on a soil sample of 4.2 cm diameter and 18.5 cm length. The water head fell from 1.20 m to 0.60 m in 20 minutes. If the cross-sectional area of the standpipe was 1.0 cm2, calculate the coefficient of permeability of the soil.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 17.71 × 10-4 cm/sec✓
- 25.71 × 10-4 cm/sec
- 33.71 × 10-4 cm/sec
- 41.71 × 10-4 cm/sec
Correct answer
7.71 × 10-4 cm/sec
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 Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Geotechnical Engineering MCQs →Want more practice questions on Geotechnical Engineering?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Geotechnical Engineering