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A belt is wrapped around a pulley for 180°. The loose-side belt tension is 50 lb and the coefficient of static friction is 0.30. Calculate the maximum belt tension if motion is impending. Assume
(a) a flat belt and
(b) a V-belt with a groove angle of 60°.
Consider a supersonic wind tunnel with test section Mach number of 2 and fixed geometry diffuser designed to operate with minimum stagnation pressure losses (smallest diffuser area).
A uniform bar of length l and weight w is suspended symmetrically by two strings, set up the differential equation of motion for small angular oscillations of the bar about the vertical axis, and determine its period.
if the effects of atmospheric resistance are accounted for a fallinf body has an acceleration defined by the equation
A high-speed boat is powered by a water jet pump engine, similar to a jet engine on airplanes. The engine takes in water at the bow through a tube with diameter 1 ft, and the water is pumped out the stern of the boat through a 3-in diameter tube.
the diameter of the hollow core of a solid propellant grain remains axially uniform during burning. its length is 5 m
Determine the stress matrix components and epsilon_zz for known epsilon_xx, epsilon_xy, epsilon_yy for a) plane stress and b) plane strain condition incorporating thermal strains
a cross-sectional view of a double-pipe heat exchanger. the fluid in the central pipe is an evaporating liquid while
Explain how the nonlinearity in the phase estimator may be approximated in a way that results in a decision-directed estimator.
The tank cover is airtight, and the pressure above the water surface is 2 atm gage. The system is at sea level. Determine the max height to which the water stream could rise.
Calcium oxide (CaO) is formed by decomposing limestone (pure CaCO3). In one kiln the reaction goes to 70% completion. What is the composition (by mass) of the solid product (CaO) withdrawn from the kiln? (Hint: there will be two separate product s..
an industrial water shutoff valve is designed to operate with 30lbs of force and will encounter 200lbs of resistance
an sae 4140 oqt 1000 sleeve is to be secured to a solid pin of the same material with an actual diametral interference
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