A municipal well field consists of five water-supply wells. The wells are located 100 m apart along a north-south line and fully penetrate a 20-m thick confined aquifer that has a transmissivity (T) of 1,000 m2/d and a storativity (S) of 6 X 10-5. Estimate the drawdown 500 m west of the center well one year after the municipal supply wells each begin pumping at a rate of 1,382 m3/d.

What are the major differences between injection molding and extrusion?

Determine the time of the day and month of the year at which the peak sensible cooling load occurs for a top floor, north-eastern corner room of an office building in durban for the following conditions: floor area: 8 x 8 x 3 m east and north walls: 115 mm face brick (outside), 20 mm air space, 115 mm ordinary brick (inside) with 15 mm plaster roof construction: suspended plasterboard ceiling, 450 mm air space, 150 mm concrete, 75mm screed, waterproofing no heat transfer across other surfaces window area 3x 1,5 m high in north wall only. ordinary glass with venetian blinds. lights and occupants : from 07: 00 to 18: 00 average light density: 25 w/m2 number of occupants : 5 seated, light office work room temperature 24°c

A21-tooth spur pinion mates with a 28-tooth gear. the diametral pitch is 3 teeth/in and the pressure angle is 20°, find the following values: the addendum, dedendum, circular pitch, tooth thickness, and base circle diameters.