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1.A load of 14 tonnes is suspended at the end of a steel rope.If the load is subjected to a maximum acceleration/deceleration of2.5m/s2, when raised and lowered, calculate the diameter of therope needed to support the load. Assume the following:
Factor of safety (FOS) : 6
Ultimate Tensile stress (UTS) = 600 MN/m2
E = 200 GN/m2
calculate the tension in the rope(F=ma)?
2.Show that 1 millimeter of the 0.02 N H2SO4solution is equivalent to 1.0 milligram CaCO3.
Consider the components that are required for an automobile. List 5 components and identify the class of material that is used for each component. What are the critical properties that allow for the function of the material in that application
If the temperature of the flashlight increases to 120oF, does the spring force increase or decrease and by how much. Take the casing wall to have an outer diameter of 1.5 in., thickness 0.125in.,length L = 3 in., and elastic modulus of 300ksi.
The diaphragm is ruptured and fluid fills the entire volume of the vessel. Assume that the fluid is an ideal gas. After you have determined Qsub12, Wsub12, and delta U for the process, calculate the final temperature of the gas.
The specific weight (wt./Vol.) of brass is 520 lb/ft^3. Determine its density (mass/vol.) in SI units. Use an appropriate prefix.
Find the water depth just upstream of a 1.5 ft high broad-crested weir in a channel 6ft wide when the flow is 18 cfs
A single-stage rocket is launched vertically from rest, and its thrust is programmed to give the rocket a constant upward acceleration of 6 m/s^2 . If the fuel is exhausted 20 s after launch, calculate the maximum velocity and the subsequent maxim..
Consider a cantilever mass-less beam subjected to a concentrated mass at the tip of the beam. Assume, length L, flexural stiffness EI, and mass m.
A 9 gram bullet is fired horizontally at a tree and is brought to a halt right before it exits the tree. the tree is 90cm thick and exerts a resistive force of 16000N on the bullet as it travels through the tree
Consider two alternative water resource projects, A and B. Project A will cost $2,533,000 and will return $1,000,000 at the end of 5 years and $4,000,000 at the end of 10 years.
Estimate the constant rate of withdrawal (in m^3/s) from a 1375 ha reservoir in a month of 30 days during which the reservoir level dropped by 0.75 m in spite of an average inflow into the reservoir of 0.5 Mm^3/day.
You are in an old spy movie, and have been locked into a small room (volume 1000 ft). You suddenly realize that a poison gas has just started entering the room through a ventilation duct.
How many centimeters of armor plating will a 150 gram 30 mm round penetrate. How far will a depleted uranium 30 mm round penetrate if its mass is 600 grams.
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