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A hub and shaft are said to meet satisfactory fit if the clearance between the two is between 0.03 and 0.18 mm. The specifications of the shaft have mean outer diameter of 31.0 mm and a standard deviation of 0.04 mm. The hub specifications have mean inner diameter of 31.1 mm and a standard deviation of 0.03 mm. If 250 shaft and hubs are tested, how many would you expect to exhibit 'satisfactory fit'. Assume hub and shaft are normally distributed. Clearance is Inner diameter - Outer Diameter.
a cylindrical bar of metal having a diameter of19.4mm and a length of194mm is deformed elastically in tension with a
a heat engine absorbes 25 mw from a 400 c combustion chamber and rejects 15 mw to the atmosphere at 30 c. find the
a fossil-fuel steam power plant operates at about 50 of carnot thermal efficiency. it has been suggested that the air
Air at the rate of 18 kg/s is drawn into the compressor of a jet engine at 55 kPa and -23oC and is compressed reversibly and adiabatically to 276 kPa. Determine the required power input to the compressor expressed in horsepower.
a steel bolt is placed through an aluminum tube. sturdy washers are placed on each end of the tube and the bolt is
a droplet of water diameter 100 um is falling through 20oc air at the terminal velocity of 0.298 ms. the relative
in each case calculate the biot number for the object and indicate whether or not the lumped approximation is valid.a a
an air compressor operates at steady state with air entering at p11 bar t1 17 c and exiting at p25 bar. the air
a balanced wheel supported on springs is rotating at 1200 rpm. if a bolt weighing 15 g and located 5 cm from center
an ideal gas undergoes two processes in a piston cylinder device from 1-2 a polvtropic compression from t1 and p1 with
what two outcomes characterize the response of an opaque surface to incident radiation? which outcome affects the
air is contained in a vertical piston-cylinder assembly by a piston of mass 50 kg and having a face area of 0.01 m2.
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