Engineering, 13.07.2019 04:20 helloitschump0vfdz
For tool a, taylor's tool life exponent (n) is 0.45 and constant (k) is 90. similarly for tool b, n = 0.3 and k = 60. the cutting speed (in m/min) above which tool a will have a higher tool life than tool b is (a) 26.7 (b) 42.5 (c) 80.7 (d) 142.9
Answers: 2
Engineering, 03.07.2019 15:10, EmilySerna
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
Engineering, 04.07.2019 18:10, viicborella
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
Engineering, 04.07.2019 18:10, niyawilliams23
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
For tool a, taylor's tool life exponent (n) is 0.45 and constant (k) is 90. similarly for tool b, n...
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