Given that 'φ' is the angle of internal friction, 'p' is the safe bearing capacity and γ is the unit weight of soil, the minimum depth of foundation of a masonry footing is given by

A centrifugal pump is required to lift 2.8 cu.m.s of water to a height of 7.5 m. If the total loss of head in the pipe system is 0.25 m and the efficiency of the pump is 80%, then the brake horse power will be

Which among the following assumptions are made in the design roof trusses ? 1. Roof truss is restrained by the reactions 2. Axes of the members meeting at a joint intersect at a common point 3. Riveted joints act as frictionless hinges 4. Loads act normal to roof surface Select the correct answer using the codes given below: