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A deep-submersible diving chamber designed in the form of a spherical shell 1500 mm in diameter is ballasted with lead so that its weight slightly exceeds its buoyancy. Atmospheric pressure is maintained within the sphere during an ocean dive to a depth of 3 km. The thickness of the shell is 25 mm.
For this depth calculate the compressive stress C which acts on a diametral section of the shell, as indicated in the right-hand view.
a shaft is loaded by a torque of 5 kn-m. the material has a yield point of 350 mpa. find the required diameter usinga
the motion of the slender 10kg rod AB is guided by collars of negligible mass that slide freely on the vertical and horizontal rods. knowing that the bar is released from rest when θ=30, determine the velocity of the collars A and B when θ = 60.
A crane has a loading hook that is hanging in a steel wire. The allowable normal tensile stress in the wire gives an allowable force of 100,000 N. Estimate the safety factor that should be used.
process1-2 constant temperature expansion at 600 k from p10.5mpa tp p20.4mpaprocess 2-3 polytropic expansion with n1.4
an air-conditioned room requires 30 m3 min of air at 1.013 bar 20 degree c 52.5 rh. the steady flow conditioner takes
Determine displacement (in) of a 1.08 in diameter steel bar, which is 834 ft long under a force of 33,222 lb if elasticity modulus is 30 x 106 psi. Make sure you do not round up your answer to less than 4 significant (non-zero) figures.
This problem related to Mechanical Engineering and the problem is about find the magnitude of velocity of a marble being projected on a 15 degree inclined plane. The computation has been given in the solution in detail
refrigerant 134-a flows through a compressor at a rate of 0.125 kgs. the compressor inlet conditions are 140 kpa and
a bird flies directly into a plate glass window path of bird is perpendicular to plane of window at a location 1.5
a satellite is in a circular orbit 250 mi above the surface of the earth. determine the new perigee and apogee
For the two processes given below, determine the final temperature, pressure, specific volume, and the changes in internal energy, enthalpy, and entropy. Calculate the final temperature and change in specific internal energy as steel at 212 kPa and 5..
Calculate the delta velocity required to change the inclination of a circular orbit at 32,000 km altitude from a 28.5 degree inclination to an inclination of 45 degrees. Compute the propellant used if the satellite weighs 1200 lbs after the manoeuvre..
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