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Hot water at 90C enters a 15-m section of cast iron pipe, whose inner diameter is 5.3 cm, at an average velocity of 0.65m/s. The outer surface of the pipe is exposed to the cold air at 10C in a basement. If water leaves the basement at 88C, determine the rate of heat loss from the weather.
Design a flat roof meeting certain mechanical performance criteria. The basic structure of the roof is a series of rectangular-section 'joists', made from softwood, that span the space to be covered by the roof.
Use potential flow theory to determine the lift coefficient of a spinning baseball in terms of the forward velocity (V ) and spin RPM.
Beryllium has an HCP unit cell for which the ratio of the lattice parameters c/a is 1.568. If the radius of the Be atom is 0.1143 nm, (a) determine the unit cell volume, and (b) calculate the theoretical density of Be.
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.
Cooling and Heating Load Estimate using CAMEL program library and the data from DA-9
Ideal vapor-compression refrigeration cycle, An ideal vapor-compression refrigeration cycle, with ammonia as the working fluid, has an evaporator temperature of -20c and a condenser pressure of 12 bar
How will notches and holes affect the deflection of a cantilever beam? ie. increase or decrease? (Please provide citations)
High school Yr 12 aeronautical Engineering Module - mechanics, PLease help- i seem to get the incorrect answer but didn't know where i have gone wrong?
A linear isotropic material has the shear modulus of elasticity G of 11.5*10^6 psi and the Poisson's constant v of 0.3.
A vessel with a volume of 0.0011 m3 is filled with dry saturated steam at a pressure of 95 kPa. It is then sealed and cooled to 250C. Determine the amount of heat that must be removed.
what are the properties of petrol that it makes particularly suitable for the use as afuel in a motor vehicle.
The kite cable makes an angle of 25 degrees with the horizontal. The velocity of the wind is 30 miles/hour. Neglect ship wave drag.
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