Consider a power plant of 400 mw e burning coal with a hhv of 30,200 kj/kg and sulfurcontent of 2% by mass. assume the power plant efficiency of 40% and heat capacity ofwater is 4.18 kj/kgk. a) determine the rate of fuel (coal) consumption in kg/s. b) limestone (caco3) is used to capture so2. the chemical reaction is given below. determinethe amount of limestone (caco 3 ) required per hr. caco3 + so2 + 0.5o2 → caso4 + co2

unlike the threaded fasteners which are used to clamp the machine members, power screws are used to transmit power. common applications of power screws are: screw jacks: to lift weight. lead screw of lathe: for axial movement of tool and its precise positioning.

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assault rifle is a rapid-fire, magazine-fed rifle designed for military use. it is a shoulder-fired weapon that allows the shooter to select between semi-automatic (requiring you pull the trigger for each shot), fully automatic (hold the trigger and the gun continuously fires) or three-shot-burst modes.