A. [(p – p p p to the principal plane carrying the principal stress p1, is:
sin 2
B. [(p – p p p cos 2
C. [(p p p – p cos 2
D. [(p p p – p /2] sin 2
Related Mcqs:
- The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes_______________?
A. With the horizontal
B. With the vertical
C. With the perpendicular to the inclined plane of the soil
D. None of these - In a combined footing if shear stress does not exceed 5 kg/cm2, the nominal stirrups provided are________________?
A. 6 legged
B. 8 legged
C. 10 legged
D. 12 legged - The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or____________________?
A. 12 bar diameters
B. 18 bar diameters
C. 24 bar diameters
D. 30 bar diameters - If Sb, is the average bond stress on a bar of diameter subjected to maximum stress , the length of the embedment is given by_____________?
A. l = dt/Sb
B. l = dt/2Sb
C. l = dt/3Sb
D. l = dt/4Sb - The angle of internal friction of soil mass is the angle whose_______________?
A. Tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
B. Sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
C. Cosine is equal to the ratio of the maximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane
D. None of these - If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is__________________?
A. 0.496 %
B. 0.596 %
C. 0.696 %
D. 0.796 %
- A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is____________________?
A. bn (fc/2) (d – n/3)
B. Atft (d – n/3)
C. ½ n1 (1 – n1/3) cbd²
D. All the above - The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called_________________?
A. Balanced section
B. Economic section
C. Critical section
D. All the above - A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2, the Safe load on the column, should not exceed_______________?
A. 4120 kg
B. 41,200 kg
C. 412,000 kg
D. None of these - If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is______________?
A. 37 cm
B. 38 cm
C. 39 cm
D. 40 cm
