For the following questions answer them individually
Out of the constituents of cement namely,tricalcium silicate ($$C_2S$$), dicalcium silicate ($$C_2S$$), tri calcium aluminate ($$C_3A$$) and tertracalcium alumino ferrite ($$C_4AF$$) the first to set and harden is
The addition of $$CaCl_2$$ in concrete result in
A. increased shrinkage
B. decreased setting time
C. decreased shrinkage
D. increased setting time
The concrete mix design is conducted as per
The modulus of elasticity of concrete in N/mm$$^2$$ can be assumed as follows where $$F_{ck}$$ is the characteristic cube compressive strength of concrete in N/mm$$^2$$?
The horizontal distance between parallel main reinforcements in RC slab shall not be more than
In limit state method of design, for HYSD bars the values of bond stress shall be
Critical section for calculating bending moment for a spread concrete footing of effective depth d is given by the plane at
f L is the effective length of a column and is the least lateral dimension, then the column will be treated as short column if the ratio of $$\frac{L}{B}$$ is equal to or less than
The factored loads at the limit state of collapse for DL + LL, DL + WL and DL + LL + WL combinations, according to IS : 456 - 2000 are respectively
A compression member is termed as column or strut if the ratio of its effective length to the least lateral dimension is more than