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Two mating steel spur gears are 20 mm wide, and the tooth profiles have radii of curvature at the line of contact of 10 and 15 mm. A force of 250 N is transmitted between them.
(a) Compute the maximum contact pressure and the width of contact.
(b) How deep below the surface is the maximum shear stress, and what is its value?
determine the largest couple that can be exerted on drum A.
air enters an evaporative cooler at 1 atmosphere 36degc and 20 percent relative humidity at a rate of 4 m3min and it
In a specific type of heat exchanger, a very hot jet of air is cooled from 145 degrees centigrade to 100 degrees centigrade by a cold stream of water. The water temperature must not rise By more than 12 degrees centigrade. Find 1.
On a loan of $500, the monthly payment is 540/12 = $45. There is also an administrative fee of $45, payable now. What is the actual effective interest rate on a $500 loan?
A line is represented by two end points (-1,0,0) and (2,0,0). The coordinate system is rotated 90 degrees about the y axis and then the orgin is moved to (2,2,2). What is the line in the new coordinate system? I need help on using this with homogeneo..
A 0.16 kg hockey puck (rubber disk) is moving on an icy, frictionless, horizontal surface. At t =O, the puck is moving to the right at 3.0 mis. Calculate the velocity of the puck (magnitude and direction) after a force of 25 N directed to the righ..
What is the magnetic quantum number of each?
the ideal rakine cyle has steam leaves the boiler at 800psia and 1000f. the turbine exit is at 1.276 psia with a
A robot arm carrying a 2.75-lb package is moving in a horizontal circle at 4 miles/hr. The arm is gradually shortened for the first 0.11 s of its motion, changing the radius of the circle. The maximum acceleration the package can withstand without da..
r-134a is contained in a vertical cylinder fitted with a frictionless piston and a set of stops and the volume is
chilled water enters a thin-shelled 4-cm-diameter 200-mlong pipe at 7degreec at a rate of 0.98 kgs and leaves at
Plot the singular stress components, σxx, σyy and τxy for a cracked body under Mode I, Mode II and Mode III loading with a stress intensity factor Ki = 10 MPa·m1/2 (i = I, II and III). Plot the stresses near the crack tip (r
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