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An automobile engine has five main bearings, each 2.5 in. in diameter and 1 in. long. The diametral clearance is 0.0015 in. Using Petroff's equation, estimate the power loss per bearing at 3600 rpm if SAE 30 oil is used, with an average oil film temperature of 180°F.
all makers of beverages such as breweries wineries and soda makers must wash bottles before filling. a new beverage
Flow occurs in a wide rectangular channel at a depth y. A construction project over this channel requires that cofferdams spaced at distance „ on centerlines be placed in the channel (Fig. P10.34).
three resistors connected in series have resistance values in the ratio 11.53.3 and combine to an equivalent resistance
Calculate the magnitude and direction of the torque required to hold the gearbox stationary (holding torque Th). Show the direction of the holding torque applied to the shaft with the aid of a sketch.
a rectangular bar is used as a beam carrying a concentrated load of 5500 lb at the middle of its 60 inch length. the
A balloon is inflated with helium gas to a pressure of 100 kPa gauge. The volume of the balloon is 0.4m^3. The initial temp is 20 degrees C. The helium gas can be treated as an ideal gas. the atmospheric pressure is 101.3 kPa
consider a steam turbine in which the steam enters at 23.26 mpa and 808 k with a flow rate of 17.78 kgs. the steam
energy in the home personal energy use and home energy efficiency. nbspestimate your personal annual energy usage for
air at 40oc 1 bar and a volumetric flow rate of 60 m3min enters an insulated control volume operating at steady state
A cantilever beam built up from two channel shapes, each C 200 × 17.1, and of length L supports an inclined load P at its free end (see figure).
where , and r is the expansion pressure ratio, γ is the ratio of specific heats. An axial flow turbine has a small stage efficiency of 86%, an overall pressure ratio of 4.5 to 1 and a mean value of γ equal to 1.333. Calculate the overall turbine ..
wind is blowing on a 55-gallon drum. estimate the wind speed needed to tip the drum over. work in si units. the mass of
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