Discussion
The initial setting time of ordinary Portland cement must not be less than about
Answer: C
Correct answer: 30 minutes
The initial setting time is specified as a minimum, not a maximum, and it must be at least about 30 minutes so that there is time to mix, transport, place and compact the concrete before it stiffens. The final setting time is specified as a maximum, usually 600 minutes, so that the work can proceed.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development