A. decrease in tensile strength but increase in ductility
B. increase in tensile strength but decrease in ductility
C. decrease in both tensile strength and ductility
D. increase in both tensile strength and ductility
Related Mcqs:
- Ultimate strength of cold drawn high steel wires_______________?
A. increases with increase in diameter of bar
B. decreases with increase in diameter of bar
C. does not depend on diameter of bar
D. none of the above - 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 - Bulking of sand is maximum if moisture content is about____________?
A. 2 %
B. 4%
C. 6%
D. 10% - 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 - Half of the main steel in a simply supported slab is bent up near the support at a distance of x from the center of slab bearing where x is equal to________________?
A. 1/3
B. 1/5
C. 1/7
D. 1/10
where 1 is the span - Modulus of elasticity of steel as per IS : 456-1978 shall be taken as______________?
A. 20 kN/cm2
B. 200 kN/cm2
C. 200kN/mm2
D. 2xl06N/cm2 - The design yield stress of steel according to IS: 456-1978 is_______________?
A. 0.37 fy
B. 0.57 fy
C. 0.67 fy
D. 0.87 fywhere fy is the characteristic yield strength of steel
- In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively_______________?
A. compressive and tensile
B. tensile and compressive
C. both compressive
D. both tensile - As compared to ordinary portland cement, high alumina cement has______________?
A. higher initial setting time but lower final setting time
B. lower initial setting time but higher final setting time
C. higher initial and final setting times
D. lower initial and final setting times - Which of the following has high tensile strength ?
A. plain hot rolled wires
B. cold drawn wires
C. heat treated rolled wires
D. all have same tensile strength
