40% 60% 50% 25%
Answer Discuss in Comment
Cylindrical pipe subjected to external fluid pressure Cylindrical pipe subject to end pressures Cylindrical pipe subjected to internal fluid pressure Cylindrical pipe subjected to equal internal and external fluid pressures
Not related to the permissible concrete compression stress Equal to the permissible stress in tension in steel More than the permissible stress in tension in steel Less than the permissible stress in tension in steel
Shear span Effective depth Both (a) and (b) None of the above
M15 M 10 M 20 M 25
3 days 7 days 14 days 28 days
Decreasing the setting time by about 1 hour Increasing the setting time by about 1 hour Decreasing the setting time by about 4 hours Increasing the setting time by about 4 hours
3% 5% 6% 4%
10% 8% 4% 6%
Finer grading coarse grading Gap grading None of the above
"Scientists dream about doing great things. Engineers do them."
