Engineering, 23.01.2020 18:31 trapdee61p3sj8r
Apolymeric extruder is turned on and immediately begins producing a product at a rate of 10 kg/min. an operator realizes 20 minutes later that the production rate is too low, and increases the production rate to an immediate 15 kg/min. an hour later, an emergency causes the outlet valve to rapidly adjust to 1 kg/min. one minute later, the emergency is resolved, and the outlet valve is allowed to rapidly readjust to 10 kg/min. plot production rate m(t) in kg/min against time t in min. determine the production rate function m(t) in the time domain, and then determine the laplace transform of m(t).
Answers: 2
Engineering, 04.07.2019 18:10
Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
Answers: 2
Engineering, 04.07.2019 18:10
Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10
Answers: 1
Engineering, 04.07.2019 18:10
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
Answers: 3
Engineering, 04.07.2019 19:10
A)-in the process of engineering design, explain the contribution of material selection. b)- explain the procedure of synthesis as is employed in engineering design. c)- is there any relationship between ergonomics and engineering design? explain. d)- safety consideration in engineering design includes human, product and the enviroment . explain how safety will be incorporated into the design?
Answers: 3
Apolymeric extruder is turned on and immediately begins producing a product at a rate of 10 kg/min....
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