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The portable reel is used to wind up and store an airhose. The tension in the hose is 100 N and a vertical200-N force is applied to the handle in order tosteady the reel frame. Determine the minimumforce P which must be applied perpendicular to thehandle DE and the vertical components of the forcereactions at the feet A, B, and C. The diameter ofthe coil of reeled hose is 300 mm, and the weight ofthe loaded reel and its frame may be neglected. Notethat force P is perpendicular to OD. State anyassumptions.
two tanks tank a and tank b are separated by a partition. initially tank a contains 2-kg steam at 1 mpa and 300degc
Due to oxidation at very high tempera- ture, the wire emissivity is s = 0.80 when it burns out. The water vapor properties at the film temperature of 1209 K are pv = 0.189 kg/m3, cp,v = 2404 J/kg · K, vv = 231 X 10-6 m2/s, kv = 0.113 W/m · K.
How have electronics technology been used to understand, develop, design or support the desire to advance the renewable energy sector
What is the discharge revised discharge pressure of the compressor.
initially an insulated rigid tank contains 3.73 kg of water at 240oc and 1 mpa. a heater in the wall of the tank
a vortex tube has an inlet air flow at 300 k and 5 bar. a vortex tube with 1 mole of input air outputs 0.8 moles 1 bar
1.based on the hume-rothery rules speculate on the possible driving forces behind the tendency for ordering in this
What is the amount of work required to stretch a linear spring from its rest position by an amount of 0.20m if it has a spring constant of 45 kN/m. A water pump increases the water pressure from 15 psia to 55 psia. Determine the power input required,..
Calculate the concentration in parts per million streptomycin in the sample.
a discuss the assumption that when a piece of metal is deformed at constant temperature its volume is unchanged.b a
Consider 6.0 kg of austenite containing 0.45 wt% C, cooled to below 727 degrees Celcius (1341 degrees Farenheit).
the company you work for makes the casting for the rectangular pan 300 mm long x 200 mm wide x 60 mm deep with a 3 mm
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