What lubricant would select and explain the reason
Given the following operating conditions for a rolling bearing, what lubricant would you select and what is the reason for your choice? Speed @ Bearing contact 10,000mm/s, Bearing pressure 1000KN/m².
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Consider a point charge with a charge Q, located at the origin, in an empty space. Let the electric potential be zero at infinity. Suppose that at a distance r from this charge, the magnitude of the electric potential and electric field are 660 V
Man 1 was experimenting with friction and attempting to pull Man 2 across the surface of a floor. Man 1 applies a pulling force of 60 N and Man 2 weighs 103 N.
An electric current of 0.25 A flows through a 5-ohm electrical resistor placed in an evacuated chamber. The resistor is a 30-mm-long cylinder with a diameter of 5 mm.
Given the following operating conditions for a rolling bearing, what lubricant would you select and what is the reason for your choice?
Oil "A" has a viscosity of 80Cst at 40C and 8Cst at 100C. Oil "B" has a viscosity of 90Cst at 40C and 15Cst at 100C. Which oil has the higher viscosity index?
A proton (mass m = 1.673 x 10-27 kg) is bound in a finite square well of width 4fm. The depth of the well is six times the ground-level energy of the corresponding infinite depths well. a) What is the wavelength of a photon that can be absorbed to
The distribution of sample means will not be normal even though the population data followed a normal distribution because the sample size is less than 30
If these viscosities are the safe limits for the oil, specify the maximum start-up speed and the maximum running speed you would recommend for the pump.
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