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A pressure-vessel head is supported by a set of steel cables of length 2 m as shown in Fig. 2.75. The time period of axial vibration (in vertical direction) is found to vary from 5 s to 4.0825 s when an additional mass of 5,000 kg is added to the pressure-vessel head. Determine the equivalent cross-sectional area of the cables and the mass of the pressure-vessel head.
an engineering student considers using a fan as a levitation demonstation. she plans to face the box-enclosed fanso the
A radiator wall measuring 2 m by 3 m (WxH) is held a temperature of 125 °C. Straight aluminum fins (k = 175 W/mK) are to be mounted on the wall. The fins are 5 cm in length and 0.8 mm thick. The system is allowed to convectively transfer heat to ambi..
Calculate with the Peng-Robinson equations for thermodynamic properties, the product compositions, stage temperatures, interstage flow rates and compositions, reboiler duty, and condenser duty for the distillation specifications
A meteorologist is studying hurricanes and tornadoes. She determines that a particular historic tornado can be described by phi7. At a distance 1 km from the eye of the tornado (the eye is at the origin of the coordinate system) the radial velocity i..
solid steel shaft d 20mm is subjected to a torque of 1200nm. what size hollow circular steel shaft could be used to
one cubic foot 1 ft3 of air is contained in a piston - cylinder arrangement. the axis of the cylinder is oriented in
a four cylinder 2.4 liter engine operates on a four stroke cycle at 3200 rpm. the compression ration is 9.41 the
consider x norm57 y norm57 and z norm19 and assume xy and z are independent.1 find and sketch the probability
Tensile force formulas, A cylindrical steel beam is 2 inches diameter and 6 feet long. The modulus of elasticity is 30 x 1,000,000 psi. If the beam is subjected to a tensile force of 1000 lbs, what will be the resulting unit strain?
the lower yield point for an iron that has an average grain diameter of 5 x10-2 mm is 135 mpa 19500 psi. at a grain
A 60-Hz, four-pole, three-phase induction motor delivers 35 kW of mechanical (output) power. At a certain operating point the machine has 4 percent slip and 87 percent efficiency. Determine the torque delivered to the load and the total electrical..
Calculate the heat transfer per unit width of the plate. Assuming the length of the plate along the flow of air is 2m.
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