Design of Concrete Structures MCQs with answers PDF for Civil Engineering. Includes Design of Concrete Structures MCQs PDF download, online test, MCQs on Concrete Technology PDF, and Civil Engineering MCQs with answers for test preparation.
Prestressing wires are typically placed in the ___?
A. lower part of the beam
B. anywhere
C. upper part of the beam
D. centerThe hoop tension in a spherical dome as a result of a concentrated load at the crown is ___.
A. partly compressive and partly tensile
B. zero
C. compressive everywhere
D. tensile everywhereThe purpose of a beam with a curved plan is __.
A. shear and torsion
B. bending moment, shear and torsion
C. bending moment and shear
D. bending moment and torsionA simply supported beam with reinforcing only at the bottom tends to ___________ because of shrinkage pressures.
A. deflect upward
B. deflect downward or upward
C. deflect downward
D. None of themAccording to Whitney’s theory, ___ gives the greatest moment of resistance of the balanced section of a beam with width b and effective depth d.
A. 0.185acybd2
B. 0.43acybd2
C. ^acybd2
D. ^acybd2The depth of a stress block for a balanced section of a concrete beam is limited to ___, according Whitney’s hypothesis.
A. 0.68 d
B. 0.85 d
C. 0.43 d
D. 0.537 dAccording to IS: 456-1978, the design yield stress of steel is ___.
A. 0.57 fy
B. 0.67 fy
C. 0.87 fy
D. 0.37 fyThe shrinkage stresses in steel and concrete in symmetrically reinforced sections are, respectively, ___?
A. tensile and compressive
B. compressive and tensile
C. both tensile
D. both compressiveThe meridional force in a spherical dome under uniformly distributed load or concentrated load at the crown is always ____.
A. tensile
B. tensile or compressive
C. zero
D. compressiveThe following formula provides the maximum hoop compression value in a dome: ______?
A. wR/d
B. 2wR/d
C. wR / 4d
D. wR/2d