5. A skywalk is being built over a roadway in downtown Louisville. Using the information provided below:
a. Which material should be selected for a 10' long beam if the LEAST amount
of deflection is the key criteria?
b. What is the deflection in inches?
(report to x. xx decimal places)
5,000 lbf
Medal of ladity
Metal
GP
10
Cation and Aloyee
300
193
Cold West
210
210
05
Note: Use the units for E in the right column are
x10 psi
The area moment of inertia is 90 in

Aloaded platform of total mass 500 kg is supported by a dashpot and by a set of springs of effective stiffness 72 kn/m. it is observed that when the platform is depressed through a distance x = 12.5 cm below its equilibrium position and then released without any initial velocity; it reaches its equilibrium position in the shortest possible time without overshoot. find the position and velocity of the loaded platform 0.10 sec. after its release. if a further load of 400 kg is added to the platform, find, i) the frequency of damped vibrations, and i) the amplitude of vibration after 2 complete oscillations, given that the initial amplitude is 15 cm.

Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery

An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0