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A meat packing plant manager is trying to decide between twodifferent methods for cooling cooked hams. the spray methodinvolves spraying water over the hams until the ham temperature isreduced to 30 degrees Celcius. With this method approximately 80liters of water are required for each ham.
Alternatively, an immersion method can be used in which only 16liters of water are required per ham. However, this method willrequire an initial extra investment of $2,000 and extra overhaulexpenses of $100 per year, with the equipment expected to last 10years. The company cooks 10 million hams per year and pays $0.12per 1000 liters for water. The company must also pay $0.04 per 1000liters for wastewater discharged. If the company's minimumattractive rate of return is 15% per year, which method of collingshould be used?
(a) determine if the flow will choke and both the downstream and upstream water depths. (b) if there is also a 1 ft high step up in bottom elevation at the contraction, determine if the flow will choke and both the downstream and upstream water de..
A nozzle discharges a stream of water with an initial velocity v0 of 50 ft/s into the end of a horizontal pipe of inside diameter d=5ft. determine the largest distance x that the stream can reach.
Each exerts a force of 600 N directed at a t= 20.0° anglerelative to the forward motion of the boat. If the boat moves withconstant velocity, find the resistive force exerted by the water on the boat.
Determine the (a) the coefficient of statics friction between the hawser and the bollard. (b) the number of times the hawser should be wrapped around the bollard if a 20000 pound force is to be resisted by the same 80 pound force
A 3-mm thick panel (1 m x 1 m) of aluminum alloy (k = 177 W/m. K, Cp = 875 J/kg. K, and p(rho)= 2770 kg/m3) is heated in a large oven with air at T = 175oC and a convective heat transfer coefficient of h = 40 W/m2.K.
Calculate the stress in a No. 7 rebar subjected to a tensile load of 10,600 lb (in ksi).
Determine total delay, maximum queue length, and the time that the 20th vehicle to arrive waits from its arrival to its departure.
A water pipe, in diameter id located in a trench 450mm below the center of the slab. The trench running along the length of the slab,300mm wide and 450mm deep, was backfilled with the same soil. If this pipe were to leak, what effect would it have..
A trapezoidal channel is carrying water at a normal depth of 5.2 ft, the channel has a bottom width of 10 ft and side slopes of 2 H to 1 V. It is running on a slope of 0.005 ft/ft. What will be the shear stress in lb/ft^2 exerted on the channel be..
a vertical curve is formed when a rural highway passes under a bridge joining a -8 grade to the horizontal grade
Determine the inclination of the ladder if the coefficient of static friction between the friction pad A and the ground is = 0.3. Assume the wall at B is smooth.
Draw the influence line for the support reaction at A and calculate the support reaction at point
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