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A 60 mm bore (02 series) double row angular contact ball bearing has a 15 degrees contact angle. The outer ring rotates, and the bearing carries a combined steady load of 5kN radially and 1.5KN axially at 1000 rpm. Calculate the median life in hours.
question a pump station has been designed to lift water out of a 6 metre deep pit vented to atmosphere via a
canon at an angle 30 degree tube is rotating at an axes with anguar velocities w1 and w2 2 and 5 rad/s and tube blows a ball at b with constant rate 7 m/s . what is velocity and acceleration of ball at tube end ball is at distance of 3m from tube ..
A flywheel can be considered as being composed of a thin disc and a rim. The rim weighs 322 lb and has diameters of 24 in. and 30 in. The disc weighs 64.4 lb. Determine the mass moment of inertia about the centroidal axis about which the flywheel ..
a spring-mass system has a frequency of 2 hz. when the mass is decreased by 0.4 kg the frequency is changed by 25.
a driver of a car is driving around in circles with a diameter of 100 ft. the driver is traveling 20 mpg when he
Consider a 70-kg woman who has a total foot imprint area of 400 cm2. She wishes to walk on the snow, but the snow cannot withstand pressures greater than 0.5 kPa. Determine the minimum size of the snow shoes needed.
Two infinite parallel plates are separated by a distance h. The space between them is filled with a Newtonian fluid: density (rho), viscosity (mu). The lower plate is fixed
one kg of water vapor at 200 kpa fills the 1.1989 m3 left chamber of a partitioned system. the right chamber has twice
these include micrel mm5450 mic5821 allegro a6276ea ucn5832a and texas instruments tpic6c595. these are all serial
in one cycle a heat engine absorbs 480 j from a high-temperature reservoir and expels 300 j to a low-temperature
a molten mixture of salt nano3-kno3 is used as the heat transfer fluid for application in a parabolic trough solar
All calculations and assumptions must be provided together with a full explanation of all the terms
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