A feasibility study shows that a fixed capital investment of P10,000,000 is required for a proposed construction firm and an estimated working capital of P2,000,000. Annual depreciation is estimated to be10% of the fixed capital investment. Determine the rate of return on the total investment if the annual profit is P3,500,000?

A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is ________?

The least dimension in case of a circular column of diameter D is taken as________?

In actual machines________?

According to IS: 456-1978, the maximum reinforcement in a column is________?

A pair of smith’s tongs is an example of the lever of________?