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The cylinders of a four-cylinder in-line engine are placed at intervals of 12 in. in the axial direction. The cranks have the same length, 4 in., and their angular positions are given by 0°, 180°, 180°, and 0°. If the length of the connecting rod is 10 in. and the reciprocating weight is 2 lb for each cylinder, find the unbalanced forces and moments at a speed of 3000 rpm, using the center line through cylinder 1 as the reference plane.
a desktop computer is to be cooled by a fan. the electronic components of the computer consume 60 w of power under
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If I take measurements using a Pitot Tube and get results for pressures Horizontal In, Horizontal Out, Vertical In, and Vertical Out all in inches of mercury. How do I take these pressures and determine a Velocity using Bernoullis equation?
Express the equilibrium equations in terms of the appropriate displacements; E1 is constant for all members.
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A collar B of weght W can move freely along thevertical rod. The constant of the spring is k and the spring is unstretched when theta=0. Derive an equation in W thrta k and l that must be satisfied when h collar is in equilibrium.
a workpiece is being cut at 76mmin 250 fpm and the power is found to be 2.0 kw 2.7hp. the feed is .25 mmrev .010 inrev
(a) In a throttling process, energy and exergy are conserved. (b) If unit costs are based on exergy, we expect the unit cost of the electricity generated by a turbine to be greater than the unit cost of the high-pressure steam provided to the turb..
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