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A 17-tooth pinion meshes with an 84-tooth gear. The full-depth involute gear teeth have a 20° pressure angle and a diametral pitch of 32. Determine the arc of approach, arc of recess, arc of action, base pitch, and the contact ratio. Also calculate the addendum, dedendum, circular pitch, tooth thickness, and the base diameter for the pinion and gear. If the center distance is increased by 0.125 in., what are the new values for the contact ratio and the pressure angle?
We want to produce 20 kg/s of saturated water vapor by mixing steam at 350oC with liquid water at 20oC. The adiabatic mixing process occurs at a constant pressure of 10 MPa. During the mixing process, a stirring mechanism does work on the mixture at ..
Consider the microchannel chip cooling applica- tion of Problem 8.109 but now for a perfluorinated liquid with properties of cp = 1050 J/kg · K, k = 0.065 W/m · K, µ, = 0.0012 N · s/m2, and Pr = 15.
measurements of drag force are made on a model automobile in a towing tank filled with fresh water. the model length is
A consequent pole motor has synchronous speeds of 1800, 1200, and 900 RPM. How many stator windings does this motor have?
a stop block s prevents a crate from sliding down a theta 21.0 incline. a tensile force ffo tn acts on the crate
a car is climbing the hill of slope theta1 at a constant speed v. if the slope decreases abruptly to theta2 at point a
But on the other hand, how could you justify spending scarce resources in rural areas when you know that this would benefit far fewer people than if you spent the money in cities instead?
a uniform beamoflength l flexural rigidity ei and cross-sectional plastic moment mp is built-in at both ends and
Design a small engine for a lawn mower. You will need to investigate the typical lawn mower engine size in the market and develop a competing design.
a rotating shaft has power transferred into a gear at b by a bevel gear resulting in a steady radial force f1100lb and
Calculate the total net thrust generated by the propeller. Calculate the propeller power used to generate thrust. The turbine driving the propeller generates 416 kW of power. Calculate the efficiency of the propeller.
One lb of air undergoes a power cycle consisting of the following processes: Process 1-2: Constant volume from p1=20 lbf/in2, T1=500 oR to T2=820 oR Process 2-3: Adiabatic Expansion to v3=1.4 v2 Process 3-1: constant pressure compression Sketch the c..
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