A. 0.15
B. 0.12
C. 0.30
D. 1.00
Related Mcqs:
- In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by_______________?
A. 10%
B. 20%
C. 30%
D. 40% - Maximum percentage reinforcement in case of slabs is limited to___________________?
A. 2
B. 4
C. 6
D. 8 - Critical section for shear in case of flat slabs is at a distance of_______________?
A. effective depth of slab from periphery of column/drop panel
B. d/2 from periphery of column/capital/ drop panel
C. at the drop panel of slab
D. at the periphery of column - The minimum cover to the ties or spirals should not be less than________________?
A. 15 mm
B. 20 mm
C. 25 mm
D. 50mm - If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to__________________?
A. xv
B. xc
C. xv – TC
D. Tv + Tc - The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by_______________?
A. tcr – rcs = tct
B. fcr>fcs>fc
C. fcr<fcs
D. fc5>fcr>fC - The strength of concrete after one year as compared to 28 days strength is about_______________?
A. 10 to 15% more
B. 15 to 20% more
C. 20 to 25% more
D. 25 to 50% more - The approximate value of the ratio between direct tensile strength and flexural strength is_____________?
A. 0.33
B. 0.5
C. 0.75
D. 1.0 - According to IS : 456-1978, the cblumn or the strut is the member whose effective length is greater than________________?
A. the least lateral dimension
B. 2 times the least lateral dimension
C. 3 times the least lateral dimension
D. 4 times the least lateral dimension - Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than__________________?
A. 35 MPa and 42 MPa
B. 42 MPa and 35 MPa
C. 42 MPa and 53 MPa
D. 53 MPa and 42 MPa