A. is maximum at neutral axis
B. decreases below the neutral axis and increases above the neutral axis
C. increases below the neutral axis and decreases above the neutral axis
D. remains same
Related Mcqs:
- The permissible diagonal tensile stress in reinforced brick work is_____________?
A. about 0.1 N/mm2
B. zero
C. 0.3 N/mm2 to 0.7 N/mm2
D. about 1.0 N/mm2 - If the permissible stress in steel in tension is 140 N/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be___________________?
A. 0.35 d
B. 0.40 d
C. 0.45 d
D. dependent on grade of concrete also - The average permissible stress in bond for plain bars in tension is_______________?
A. increased by 10% for bars in compression
B. increased by 25% for bars in compression
C. decreased by 10% for bars in compression
D. decreased by 25% for bars in compression - Increase in the moisture content in concrete_________________?
A. reduces the strength
B. increases the strength
C. does not change the strength
D. all of the above - For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be________________?
A. 600 mm
B. 750 mm
C. 900 mm
D. more than 1 m - Maximum distance between expansion joints in structures as per IS : 456 โ 1978 is________________?
A. 20 m
B. 30 m
C. 45 m
D. 60 m - The minimum diameter of longitudinal bars in a column is________________?
A. 6 mm
B. 8 mm
C. 12 mm
D. 16 mm - If the foundations of all the columns of a structure are designed on the total live and dead load basis, then_________________?
A. there will be no settlement of columns
B. there will be no differential settlement
C. the settlement of exterior columns will be more than interior columns
D. the settlement of interior columns will be more than exterior columns - In a spherical dome the hoop stress due to a concentrated load at crown is_______________?
A. compressive everywhere
B. tensile everywhere
C. partly compressive and partly tensile
D. zero - Select the incorrect statement?
A. Lean mixes bleed more as compared to rich ones
B. Bleeding can be minimized by adding pozzuolana finer aggregate
C. Bleeding can be increased by addition โof calcium chloride
D. none of the above