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The upside-down steel A frame shown in the figure is to be bolted to steel beams on the ceiling of a machine room using ISO grade 8.8 bolts. This frame is to support the 40-kN radial load as illustrated. The total bolt grip is 48 mm, which includes the thickness of the steel beam, the A-frame feet, and the steel washers used.
The bolts are size M20×2.5. What tightening torque should be used if the connection is permanent and the fasteners are lubricated? What portion of the external load is taken by the bolts? By the members?
Determine the surface temperature of the wire during a windy day when the air temperature is 10°C and the wind is blowing across the transmission line at 50 km/h.
Derive eulers equation 1- Derive. From first principles eulers equation from the rate of change of momentum 2- Show by integration how Eulers equation derives Bernoullis equation
Angela needs 20 quarts of 50% antifreeze solution in her radiator. She plans to obtain this by mixing some pure antifreeze with an appropriate amount of a 40% antifreeze solution. How many quarts of each should she use?
Determine the COP of the heat pump that applies energy to a house at a rate of 4500kj/h for each kW of electric power it draws. Also, determine the rate of the energy absorption from the outdoor air.
If the motorcycle has a deceleration of a_t = -(0.001s);{rm m}/{rm s}^{ 2 } and its speed at position A is 18 m/s, determine the magnitude of its acceleration when it passes point B.
Water flows at a rate of 20 l/s through a horz pipe dia .03 m. The pressure drop across the valve in the pipe is measured to be 2 kPa. Determine the irreversible head loss of the valve, and the useful pumping power needed to overcome the resulting..
determine the minimum time needed for the plate temperature to reach 140°C.
Refrigerant R-134a is compressed steadily and adiabatically in a reversible compressor. The volume flow rate entering the compressor is 800 ft3/min.
Cantilever Beam with maximum tensile strength. A cantilever beam is to be made using a symmetrical I section beam. The cantilever is to carry a load of 40kN at a distance 2.5m from the fixed end. The situation allows for a depth of I beam to be no..
Couette Flow Velocity Distribution, Using the log law, determine the velocity distribution for Couette flow between parallel plates a distance h apart, with U = the velocity of the top plate.
An ideal vapor-compression refrigeration cycle uses R-134a as the working fluid in an air-conditioning system. The refrigerant enters the compressor as a saturated vapor at 40 °F
explain the following terms with respect to 4-storke cycle internal combustion engines strokebore ratio piston
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