A biotechnology company produces an antibiotic by growing fungi in a water suspension. The fungi cells are removed by filtration, then the filtrate goes into a purification step. The cells are 1.5 x 10-5 m in diameter and they compose 0.8% of the growth broth volume. Water at 25 C (p = 1,000 kg/m?; u = 0.001 kg/m-s) passes through a filter that is 1 m² in area. The pump delivering the liquid broth to the filter pumps at a constant flow rate of 1 L/min, but can only hold a maximum pressure of 55,000 Pa Calculate the total volume (L) that can be filtered before cleaning and the time it takes (min). Assume cake porosity to be a = 0.35.

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.

Aloaded platform of total mass 500 kg is supported by a dashpot and by a set of springs of effective stiffness 72 kn/m. it is observed that when the platform is depressed through a distance x = 12.5 cm below its equilibrium position and then released without any initial velocity; it reaches its equilibrium position in the shortest possible time without overshoot. find the position and velocity of the loaded platform 0.10 sec. after its release. if a further load of 400 kg is added to the platform, find, i) the frequency of damped vibrations, and i) the amplitude of vibration after 2 complete oscillations, given that the initial amplitude is 15 cm.