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Determine the least area of a cross section of an ASTM-a36 steel bar required to support a tensile load of 100,000 lbs. the allowable unit stress is 36,000 psi. (Ans. nearest 100th of an inch squared)
the wood beam has an allowable shear stress of 7 mpa. determine the maximum shear force v that can be applied to the
estimate the convective heat-transfer coefficient for natural convection from a horizontal steam pipe. the outside
a carnot refrigerator consuming 3.0 kw is located in a room where the air temperature is 25degc. the coefficient of
a 6-cylinder 3.8 l spark ignition engine operating on the ideal otto cycle takes in air at 104 kpa and 20 degrees
in a turning operation the feed rate t is .13 mm .005 in. and the depth of cut normal to the plane of the paper is
1 a presser relief valve has a pressure setting of 1500 psi. compute the horsepower loss across the valve if it returns
Air enters a pipe at 25 Celsius, 100 kPa at a flow rate of 36 m3/hr. A heater on the outside of the pipe draws 8 amps at a voltage of 120 V. All the heat from the heater is transferred to the air (well insulated and wall t is small).
The roof is supported by cables. If the cables exert FAB = 100N and FAC = 120N on the wall hook at A, determine the magnitude of the resultant force acting at A.
the main waterline into a tall building has a pressure of 90 psia at 16 ft elevation below ground level. how much extra
A power plant with one closed FWH has a con- denser temperature of 450C, a maximum pressure of 5 MPa, and a boiler exit temperature of 900C. Extraction steam at 1 MPa to the FWH condenses and is pumped up to the 5-MPa feed water line, where all the w..
the resistance to motion of a good bicycle on smooth pavement is nearly all due to aerodynamic drag. assume that the
the image for this problem can be found through this link httpimgur.com0qkehzh please show all workformulas so that i
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