Engineering, 29.07.2020 20:01 sharonsmailbagot6uas
The ball of mass m is guided along the vertical circular path r = 2rccosθ using the arm OA. The arm has a constant angular velocity θ = 2m. Determine the angle θ (≤) 45 degrees at which the ball starts to leave the surface of the semicylinder. Neglect friction and the size of the ball.
Answers: 3
Engineering, 04.07.2019 18:10
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 19:10
Air inially occupying a volume of 1 m2 at 100 kpa, 27 c undergoes three internally reversible processes in series. process 1-2 compression to 500 kpa during which pv constant process 2-3 adiabatic expanslon to 100 kpa process 3-1: constant-pressure expansion to 100 kpa (a) calculate the change of entropy for each of the three processes. (b) calculate the heat and work involved in each process. (c) is this cycle a power cycle or refrigeration cycle?
Answers: 3
Engineering, 04.07.2019 19:10
What are the major differences between injection molding and extrusion?
Answers: 2
The ball of mass m is guided along the vertical circular path r = 2rccosθ using the arm OA. The arm...
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