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1. Determine the allowable axial compressive load for a structural steel W14×132 column. The ends are pin-connected and the length is 20 ft.
2. Using the AISC column approach, compute the allowable axial compressive load for the pin-connected built-up ASTM A36 steel column shown. The length of the column is 19 ft.
Consider a refrigerator that accepts 15 kW of heat in the evaporator and rejects 19.76 kW of heat from the condenser. The compressor requires an input of 5 kW of power and loses 0.24 kW of heat. Determine the coefficient of performance for this refri..
A company is trying to decide which machine to purchase based on the following information. If they all have 15 years useful life and MARR is 10%, use incremental rate of return analysis in Excel to decide which one is the best choice. Don't forge..
large cylindrical bales of hay used to feed livestock in the winter months are d2m in diameter and are stored
Show the resultant force acting on the curved surface. In each case the surface of interest is a portion of a cylinder with the length of the surface given in the problem statement.
A hydrogen/oxygen fuel cell operates with a voltage of 0.7 V with water vapor production. Calculate the kW/h of work per kg-mol of hydrogen and determine the cell efficiency.
10 kg of refrigerant r-134a initially at 5 bar and 160 oc undergoes an isothermal internally reversible compression
Consider a composite wall, which has one linearly varying cross-sectional area as shown in Figure 4.17. Determine the heat flow and interfacial temperatures. Thickness = 10 cm, kA = 200 W/m °C, kB = 20 W/m °C and kC = 40 W/m °C.
a 70 meter tall cylindrical tower with outer diameter 12 meters is exposed to a very cold evening where the temperature
Explain about basic welding symbols? Explain in detail.
a cylinder whose mass moment of inertia i 12 kg.m2 is rotating at angular velocity of 500 rpm. a constant moment of m
Consider a single-degree-of-freedom system with Coulomb damping (which offers a constant friction force, Fc). Derive an expression for the force transmissibility when the mass is subjected to a harmonic force,
Horsepower and efficiency of three-phase motor, If a fully loaded 440V, three-phase motor draws 12.4 A at 86% power factor (pf). It's speed is 1730 rpm and its torque output to a mechanical load is 29.1 lb-ft x 1.356 = 39.5 Nm.
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