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1. What is a sonic nozzle? How is it used? What are its advantages and disadvantages?
2. Why is a rotameter called a drag meter? Could it also be called an area meter?
3. What is the utility of the hot-wire anemometer?
4. Distinguish among the shadowgraph, schlieren, and interferometer flow visualization techniques. What basic flow variable is measured in each technique?
A container ship carries 2000 units. It must be unloaded andre-loaded in a 48 hr turnaround. Two cranes are available. Find therate that the trucks line up, load and pass under each crane.
Calculate the critical value of the mechanical potential energy release rate Q at fracture and hence the plane strain fracture toughness Kic of the alloy. All testpieces were 25 mm thick. For the alloy, Young's modulus, E = 70 GPa and Poisson&..
Create a flow chart, pseudo code, or other outline of the algorithm you need to implement. This will need to be turned in with your MATLAB code.
Two channel cross sections are proposed. Assume slope, cross sectional area, and surface type are constant for each channel. Which cross section option will provide the highest flow rate? Show calculations.
Is the CU test, as conducted, representative of the in situ conditions? Justify your answer.
The elastic ball bounces down a flight of rigid stairs. Determine the height h of the steps if all the trajectories between successive steps are identical. Use e=0.85 and the initial velocity 6 m/s.neglect friction.(teta=70 degrees)
If the performance of an entire system, due to the actions and interactions of its component subsystems, is measured as being greater than the sum of the performance of the individual subsystems' actions if they operated independently then we have ob..
What are the inside dimensions of a window opening in a wall of modular bricks with 38 inch (9.5-mm) mortar joints if the opening is 612 bricks wide and 29 courses high?
Sometimes the side of concrete bridges is observed to turn black in colour. What is the reason for this phenomenon?
The beam is fully restrained at both ends but is unbraced along its span. Determine the maximum magnitude of PQ that satisfies the ultimate strength limit state for flexural strength
You are asked to design a covered conical pit to store 50 m3 of waste liquid. Assume excavation costs at $100/m3, side lining costs at $50/m2, and cover cost at 25/m2
He is concerned about the high rolling resistance of the units in the sand (RR factor 250lb/ton). What is the rolling resistance?
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