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a 100 mw steam station uses coal of calorific value 6400 kcalkgthermal efficiency of the station is 30 and electrical
organic carbon c and ammonia nitrogen nh3 are oxidized to carbon dioxide co2 and nitrate no3- respectively by bacteria
the relation between water evaporated w kg coal consumption c kg and kwh generated per 8-hour shift for a steam
a copper rod of 40mm dai surroundedhighly by a cast iron tube of 80mm external dia the ends being firmly fasten
for each of the cases below assuming all other things unchanged describe the effect of the following parameter
it has been estimated that a minimum run off of approximately 94 m3sec will be available at a hydraulic project with a
1 a stream with a temperature of 25degc has a dissolved-oxygen concentration of 4 mgl what is the dissolved-oxygen
a river traveling at a velocity of 10 kmday has a dissolved-oxygen content of 5 mgl and an ultimate cbod of 25 mgl at
a 132 kv line with 1middot956 cm dia conductors is built so that corona takes place if the line voltage exceeds 210 kv
the blades of the portable fan generate a 4-n thrust t as shown compute the moment mo of this force about the rear
a 3-phase line has conductors 2 cm in diameter spaced equilaterally 1 m apartif the dielectric strength of air is 30 kv
water for a hydro-electric station is obtained from a reservoir with a head of 100 metrescalculate the electrical
the figure shows a simply supported beam with vertical forces 2p and p located at a and 2a respectively from the left
consider the simple triangular cantilever truss in exercise 216 and choose a 1 ea 1 and p 1a create a data file
the figure shows an n-type cantilever truss loaded by concentrated vertical force of magnitude p at the tip joint da
the figure shows a typical v-truss a-b from a building crane in this exercise the truss is considered as plane the
the figure shows a simply supported roof truss of length a and height h with vertical loads p at nodes e f and g
the figure shows a truss structure similar to that in exercise 28 in the present truss the vertical middle bar has been
reasons why some companies do not pay sufficient attention to staff
the figure shows a simple cantilever truss loaded by a concentrated force p at the joint ea find and show the reaction
the figure shows an n-truss girder loaded by concentrated vertical forces of magnitude 3p at the joints f and j and of
the figure shows a v-truss girder with a vertical load in b all bars are elastic with stiffness eaa determine the
the figure shows a two span simply supported beam where the length of the inner beam ab is 4a while the length of the
the figure shows a three-hinge frame with the internal hinge located at the top of the inclined roof the frame is