1888Civil EngineeringMedium
According to Whitney’s theory, depth of stress block for a balanced section of a concrete beam is limited to________?
A0.43 d
B0.85 d
C0.537 d
D0.68 d
Correct answer
C. 0.537 d
Explanation
The correct answer is 0.537 d.
Correct answer
C. 0.537 d
Explanation
The correct answer is 0.537 d.
There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of________?
Plywood has the advantage of________?
The small sewers are cleaned by________?
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc________?
A ball is dropped from a height of 16 m on a horizontal floor. If it rebounds to a height of 9 m after striking the floor, the coefficient of restitution between ball and floor is________?
Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning?