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A shaft is subjected to a maximum load of 10 kN. It is designed to withstand a load of 15 kN. If the maximum load encountered is normally distributed with a standard deviation of 2.5 kN and a failure rate of 3% is required, what is the standard deviation acceptable in the shaft strength, assuming a normal distribution?
You are to supply a design for an engine room crane which will provide maintenance support for the main engine. Your design should include the rails the crane will sit on.
determine the velocity of ship in sea water and also the resistance in sea water if density of air 1.3 kg/m and kinematic viscosity of sea water and air as 0.012 and 0.018 stokes respectively.
heat is generated uniformly inside a 20-mm thick plane wall at a rate of 20000 wm3. the thermal conductivity of the
In the position shown, the angular velocity and the angular acceleration of the rod AB are 4 rad/sec and 6 rad/sec2, respectively, both counterclockwise. For this instant calculate the velocity and acceleration of collar A. ( AB = 600 mm)
package is dropped from the plane which is flying with a constant horizontal velocity of vA = 150 ft/s at a height h = 1500 ft. Determine the radius of curvature of the path of the package just after it is released from plane at A.
an air turbine is a continuous flow device that produces shaft power by expanding high pressure air. a particular air
A 1300 car is traveling along a straight road at 18 . Two seconds later its speed is 21. What is the magnitude of the net force acting on the car during this time?
A short 60-mm-diameter circular bar is made of a material for which the maximum safe compressive stress is 80 MPa and the maximum safe shearing stress is 30 MPa. Determine the maximum axial compressive force that can be safely applied.
natural gas at 70 f and standard atmospheric pressure of 14.7 psi is compressed isentropically to a new absolute
Starting from rest the motorboat travels around the circular path,P = 50m , at a speed v=(0.8t)m/s, where t is in seconds. Determine the magnitude of the boat's velocity when it has traveled 40m. Determine the magnitude of the boat's acceleration ..
determine the width w of the link bc needed so that the structure with load p 20 kips has a factor of safety equal to
A cooking pan whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid. If the local atmospheric pressure is 101 kPa, determine the temperature at which the water starts boiling when it is heated.
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