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A beam that lies horizontal is subject to vertical loads resulting in maximum moment of 431 kn.m. The cross section of the beam is rectangular with the base width of 72 mm. If the yield strength of the beam material is 410 Mpa determine the minimum beam depth(height of th cross section) that gives a factor safety of 2. Give answear to the nearest mm.
a cartridge electrical heater is shaped as a cylinder of length l 200 mm and outer diameter d 20 mm. under normal
a piston-cylinder device contains steam initially at 1 mpa 450degc and 2.5 m3. steam is allowed to cool at constant
a cam is to be desinged for an automated part loader.using the motion equationsconstruct a chart that tabulates
an aluminum rod is made in the form of a hollow square tube. 2.25 in outside with a wall thickness of 0.120 in. its
the lower end of the 30 kg slender rod is displaced a small amount and released from the rest. determine the natural frequency of vibration. the springs have stiffness of 500 N/m and they are stretched when the rod is hanging vertically.
air in the atmosphere is composed of primarily nitrogen oxygen and argon. the mole percents of the compounds are as
the inner and outer surfaces of a 6-m x 7-m brick wall of thickness 41 cm and thermal conductivity .69 wmc are
a 200 pound man stands at the end of a 16 foot diving board point c with a pin at a and a roller located 6.695 ft away
consider a metal that is subjected to cold working by rolling it to a lesser thickness or hammering it. a would you
1.what is a beam? what factors determine the maximum load that it can take without failure?2.what is a column? what
at standard atmospheric temperature and pressure 25 c and 1 atm how many moles of dry air be present in a room having a
a stream of methane initially at 60 degf and 400 psia is compressed in a single stage compressor to 1000 psia by a
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