Engineering, 01.12.2021 02:40 ineedtopeebeforethec
A student made a table comparing erosion caused by glaciers and hurricanes. Is the table correct?
Glaciers Hurricanes
The movement of glaciers causes rocks to move
Occurs slowly The strong winds and waves common to hurricanes causes sand to move
Occurs quickly
Yes, because both forms of erosion involve the movement of rocks and soil.
No, because erosion always occurs quickly.
Yes, because erosion is a process that only involves water.
No, because only hurricanes use their movement to cause rocks and soil to move.
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 18:20
Find the kinematic pressure of 160kpa. for air, r-287 j/ kg k. and hair al viscosity of air at a temperature of 50°c and an absolute (10 points) (b) find the dynamic viscosity of air at 110 °c. sutherland constant for air is 111k
Answers: 3
Engineering, 04.07.2019 18:20
A3-mm-thick panel of aluminum alloy (k 177 w/m-k, c 875 j/kg-k and ? = 2770 kg/m) is finished on both sides with an epoxy coating that must be cured at or above t,-150°c for at least 5 min. the production line for the curing operation involves two steps: (1) heating in a large oven with air at ts,0-175°c and a convection coefficient of h, 40 w/m2. k, and (2) cooling in a large chamber with air at 25°c and a con- vection coefficient of he 10 w/m2.k. the heating portion of the process is conducted over a time interval te which exceeds the ime required to reach 150°c by 5 min (h = r + 300 s). the coating has an emissivity of ? = 0.8, and the temperatures of the oven and chamber walls are 175 and 25°c, respectively. if the panel is placed in the oven at an initial temperature of 25°c and removed from the chamber at a safe-to-touch tempera ture of 37°c, what is the total elapsed time for the two-step curing operation?
Answers: 3
Engineering, 04.07.2019 18:20
For each of the following process: a) sketch the p-v diagram, b)sketch t-s diagram, c) sketch t-v diagram, d) sketch the boundary work on one of the diagrams (a, b or c) and e) sketch the reversible heat transfer on one of the diagrams (a, b or c): 1- isobaric process from compressed liquid to superheated vapor 2- isothermal process from compressed liquid to superheated vapor 3- isentropic process from compressed liquid to superheated vapor
Answers: 3
A student made a table comparing erosion caused by glaciers and hurricanes. Is the table correct?...
Mathematics, 10.11.2020 06:20
Business, 10.11.2020 06:20
Chemistry, 10.11.2020 06:20
Computers and Technology, 10.11.2020 06:20
Mathematics, 10.11.2020 06:20
Mathematics, 10.11.2020 06:20
Business, 10.11.2020 06:20
Mathematics, 10.11.2020 06:30
Health, 10.11.2020 06:30
Mathematics, 10.11.2020 06:30
History, 10.11.2020 06:30
History, 10.11.2020 06:30