A soil has a liquid limit of 45% and lies above the A-line when plotted on a plasticity chart. The group, symbol of the soil as per Soil Classification is
A short column of external diameter D and internal diameter d, is subjected to a load W, with an eccentricity 'e', causing zero stress at an extreme fibre. Then the value of 'e' must be
A high efficiency pump is required for low discharge, high head and low maintenance cost. Delivery of water need not be continuous. The pump need not run at high speed. Which one of the following is the correct choice ?