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1. A rotameter is available with several bobs of variable densities. If the meter will be used for measuring the flow of liquid ammonia at 20?C, what density of bob would you select?
2. An airflow of about 1.5 kg/s at 20 atm and 50?C (stagnation conditions) is to be measured using a sonic nozzle. What exit diameter should be designed for the nozzle?
Knowing the submerged depth of each of the 5 pressure taps and the density of water, determine the calculated pressure at each of the 5 pressure taps.
Given a potentiometric surface with a regional slope of 7m/km, calculate the natural rate of groundwater discharge through a confined aquifer with transmissivity (hydraulic conductivity times aquifer thickness) of 0.002 m2/s.
To verify the constant of a particular prism, a straight line EFG is laid out. The EDM instrument is first set up at E, with the following measurements recorded: EG = 426.224 m, EF = 277.301 m.
If the two currents are maintained identical all the time (say, by connecting the coils in series, by how much should they be increased to double the total stored magnetic energy?
Shear and Bending Moment Diagrams - Find the minimum required depth ‘d' for a safe design. What is the maximum shear stress for this ‘d' value and where in the beam does it occur?
If the length of the river connection between the two lakes is equal to 3km and the velocity in the river is equal to 0.4 m/s, determine the concentration of UBOD in the effluent from the second lake.
A foot valve for a pneumatic systemis hinged at B. Knowing that a=28degrees, determine the moment of the l6-N force about point B by resolvingthe force into horizontal and vertical components
The symmetrical, two-hinged arch shown in Figure S10.7has a constant second moment of area, and the arch axis is defined by the coordinates given in the table. Determine the value of the horizontal thrust at the supports.
For a concrete column that is part of a braced frame, if the column is square, tied, 18 inches per side, 16 feet long, classify the column as slender or non slender
(a) Determine the magnitude of the projected components of F acting parallel Fp and normal Fn to line OA. (b) Express these components Fp and Fn in Cartesian vector notation.
A plate storage system for a self-serve salad bar in a restaurant. As plates are added to or withdrawn from the stack, the spring force and stiffness are such that the plates always protrude above the tabletop by about 60 mm.
A 2 L jar, equipped with a tight-fitting lid that contains a rubber septum, is half filled with water. At equilibrium, the air space has a volume of 1 L, a total pressure of 1 atm, and a temperature of 298 K.
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