Category: Design of Concrete Structures

A. increase in water-cement ratio
B. increase in fineness of cement
C. decrease in curing time
D. decrease in size of aggregate

A. 0.367 xu
B. 0.416 xu
C. 0.446 xu
D. 0.573 xu

where xu is the depth of neutral axis at the limit state of collapse

A. compressive stress
B. shear stress
C. bond stress
D. tensile stress

A. forces of tension and compression change but lever arm remains unchanged
B. forces of tension and compressions remain unchanged but lever arm changes with the moment
C. both forces of tension and compres-sion as well as lever arm change
D. both forces of tension and compres-sion as well as lever arm remain unchanged

A. aggregate cement ratio
B. time of transit
C. grading of the aggregate
D. all of above

A. Elastic modulus of high tensile steel is nearly the same as that of mild steel
B. Elastic modulus of high tensile steel is more than that of mild steel
C. Carbon percentage in high carbon steel is less than that in mild steel
D. High tensile steel is cheaper than mild steel

A. 15 mm
B. 25 mm
C. 30 mm
D. 40 mm

A. less than 1
B. between 1 and 1.5
C. between 1.5 and 2.0
D. greater than 2

A. 0.207 /
B. 0.293 /
C. 0.7071
D. 0.793 /

from the driving end of pile which rests on the ground

A. 0.003
B. 0.0003
C. 0.00003
D. 0.03