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1. How do the stagnation temperature and pressure change in an adiabatic nozzle flow with an efficiency of less than 100%?
2. Table A.13 has a column for P0y/P0x; why is there not one for T0y/T0x?
3. How high can a gas velocity (Mach number) be and still allow us to treat it as incompressible flow within 2% error?
4. Which temperature does a thermometer or thermocouple measure? Would you ever need to correct that?
Air at 90 psia and 70 degrees F flows through a 4.5 inch diameter welded steel pipe (e = 0.00015) at 60 lb/min. Find the friction head loss and pressure drop in 200 ft of this pipe. Assume the air to be of constant density.
Torque is transferred through two shafts by means of gears. If the diameters of gears B and C are in the ratio 1:2, what should the ratio of shaft diameters be so that both shafts have the same shear stress
1. What does the acronym ANSI stand for Stands for American National Standards Institute 2. What is the purpose of a titleblock The purpose of a title block is for give us enough information about the project.
A force of 1.25x103N is required to lift an object that is under the influence of an acceleration due to gravity of 7.66ft/sec2. What is the object's mass in kilograms?
What is the main difference between the calculation of deflections for reinforced and prestressed concrete beams
Determine the depth of a French drain (saturated depth) if the width is 3.0 feet, the effective permeability of the aggregate is 2000 ft/day, and the rate of discharge for 100 feet of trench is 1000 feet^3/day. The trench slope along the flow line is..
You have just received $10,000 witch which you can do anything. You have decided to invest the money over a long period of time and then use it to make a down payment on a vacation home.
Given the data of Example 8.22. Instead of a load on the surface, compute the depth of an excavation to cause a reduction in stress at the bottom of the excavation of 250 kPa if p - 2 Mg/m3. The excavation plan area is shown in Fig. Ex. 8.22a.
Given the following information, determine the required DO concentration in the treatment plant effluent discharge in order to ensure that at no point downstream the DO in the river drops below 4 mg/L
When fluid of specific weight 8.2 KN/m^3 flows in a 150-mm-diameter pipe, the frictional stress between the fluid and the pipe wall is 25 N/m^2. Calculate the friction head loss per meter of pipe. If the flow rate is 42 L/s, how much power is lose pe..
What is the alkali-aggregate reaction? List some of the rock types that are vulnerable to attack by alkaline solutions. Discuss the effect of aggregate size on the phenomenon.
Calculate the ratio bK/bj for a steel for which Kic = 250 MPa ,
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