Computer · Concrete Technology
As per standard codes for concrete durability and testing, what is the standard pre-hardening period recommended at 20°C for an M25 Grade of concrete specimen made with OPC before autoclave testing?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 117 hours
- 220 hours
- 324 hours✓
- 422 hours
Correct answer
24 hours
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 Concrete Technology MCQs →Want more practice questions on Concrete Technology?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Computer · Concrete Technology