The main reason behind the initial setting time of cement should not be less than 30 min is that the initial setting time is the exact moment when the concrete starts to harden. In theory, this time starts as soon... (More)
Interview QuestionsFind out what are the most common job interview questions for engineers and learn what are the tips of engineers who already have passed some interviews!
61 followers29 questions1 post
Find out what are the most common job interview questions for engineers and learn what are the tips of engineers who already have passed some interviews!
61 followers
29 questions
1 post
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Initial setting time of various types of cement:
- The value of the initial setting time is different for a different type of cement.
- The initial setting time of Quick setting cement is only 5 minute.
- The initial setting time of... (More)
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There are some really innovative ideas about using it for metros and underground trains. Travel with reduced friction could be a large part of the future.