Challenger App
Home
Exams
Questions
Quiz
Notes
Blog
Contact Us
e-Book
×
Home
Exams
▼
Questions
Quiz
Notes
Blog
Contact Us
e-Book
Home
/
Questions
/
Building Materials and Construction
/
Plane cement Concrete, Reinforced cement concrete Timber
No.1 PSC Learning App
★
★
★
★
★
1M+ Downloads
Get App
Placing of concrete should be done at a temperature
A
0°C
B
10°C
C
20°C
D
27+- 20°C
Answer:
D. 27+- 20°C
Related Questions:
The process of keeping concrete moist for several days after finishing is called :
To prevent segregation maximum height of placing of concrete is
Maximum size of sand part in concrete
Forms of freshly laid rcc work should not be struck for a period called .............................. until the concrete has reached a strength at least twice the stress to which the concrete may be subjected to at the time of removal of form work.
The property of concrete which permits the percolation or passage of water through it :