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A bicyclist travels on a level path. The frontal area of the cyclist and the bicycle is 2.3 ft^2 and the drag coeffcient is 1.2. The specific weight of the air is .075lb/ft^3.
The line is standard commercial steel pipe 75mm internal diameter. From the column to the pump inlet, the line is 25m long and contains 6 standard elbows and a fully open gate valve.
Determine the moments of inertia Ix, and Iy of the parabolic area with respect to the x and y axes. shaded area is in the first quadrent with length a and height b.
A fireboat pump draws seawater (density=1.95 slugs/ft^3) from a 6 inch diamter submergred pipe that reaches 6 feet under the free surface and discharges 120 ft/s through a 2 inch diamter nozzle 10 f
The theodolite's optical center is 4.66 ft above the upper baseline station at 110+71.25. a) What is the stationing chainage of the lower station
Vehicles begin to arrive at a toll booth at eight vehicles per minute from 9 A.M. to 10 A.M. The booth opens at 9:10 A.M. and services at a rate of ten vehicles per minute until 9:40 A.M. From 9:40
Consider an asset that costs $712,000 and is depreciated straight-line to zero over its eight-year tax life. The asset is to be used in a five-year project; at the end of the project, the asset can
Determine if the bridge would fail under a given load. The truck has two axles and the graph should should begin with 1 axle 7 ft into bridge with the other just reaching the bridge.
In an irrigation system sometimes water must be pumped over long distances. Consider a system that consistes of a 1 m diameter, 2 km long commercial steel pipe, which connects a river to an irrigati
Define what each term in the equation means. Overall, what quantity is being conserved? Under what conditions might you be justified in assuming that non-linear terms are not important
A plane flow field is developed by addition of a free vortex and a uniform stream in the positive x direction. If the vortex is located a distance a from the origin, find the pressure variation in t
Find the depth and the top width of a v-notch capable of discharging a maximum of .7m^3/s and such that the head shall be 75mm for a discharge of 5.6 liters per second.
A rectangular unfinished concrete channel with wood forms is laid on a bottom slope of 0.0064 to carry a flow of 20m^3/s of water. Determine the width of the channel when the flow is in critical co
A telephone wire 5 mm in diameter is suspended between telephone poles spaced 50 m apart. If the wind velocity is 100 km/h and the air is at 2 degrees C, 1 atm, determine the horizontal force (in N)
Two 52 kN loads are maintained 2.5 m apart as they are moved slowly across beam AB. Write a computer program to calculate the deflection at the midpoint C of the beam for values of x from 0 to 9 m,
A simply supported beam is to span 12 feet. It will support a uniformly distributed load of 800 pounds per linear foot over the full span and a concentrated load of 1000 pounds acting at 4 feet from
The span length is 32 feet. Total deflection is not to exceed span/240. Select the lightest (economical) steel wide flange section (W shape) with a yield stress of 50 ksi. Assume the beam weight to
A lumber company that cuts fine woods for cabinetry is evaluating if it should retain the current bleaching system or replace it with the new one. The relevant costs of each system are known or estima
Compute the electrical conductivity of a 7.4-mm diameter cylindrical semiconductor specimen 28 mm long in which a current of 0.20 A passes in an axial direction.
Saturated steam (at 20 bar) is used to heat up a toluene stream from 40oC, 1 bar to 150oC, 1 bar in a heat exchanger. The toluene stream is flowing at a rate of 100 kg/min. Steam leaves the heat exc
The buses are run by independent drivers, however, who make no attempt to coordinate their schedules. Actually, one bus runs slightly faster than the other so that over many trips the fraction of tr
determine the required spacing of shear reinforcement over the span of a 28-in-wide and 18-in-deep beam with a clear span equal to 30 ft. 2 in. the beam suports a total factored uniformly distribute
THE 2.5 MG VAN IS TRAVELLING WITH A SPEED OF 100KM/H WHEN THE BRAKES ARE APPLIED AND ALL 4 WHEELS LOCK. IF THE SPEED DECREASES TO 40KM/H IN 5S.
The program should use both the maximum shearing-strength criterion and the maximum-distortion-energy criterion. It should also print the values of the principal stresses and, if the material does n
A 50 mg-50 Pb alloy is cooled slowly from 700 C to room temperature, a) Calculate the mass fractions of the phase present at 700 C