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Many devices have been developed to measure the viscosity of fluids. One such device, known as a rotational viscometer, involves a pair of concentric cylinders with radii ri and ro, and total length L. The inner cylinder rotates at a rate of Ω rad/s when a torque T is applied. Derive an expression for the viscosity of the fluid between the cylinders, μ, as a function of these parameters.
refrigerant 134a is compressed with no heat transfer in a piston- cylinder assembly from 30 lbfin2 20 degrees f to 160
determine the number of discrete frequencies from the minimum to and including the maximum frequency that will appear
Name some of the elements that have the greatest effect on the hardenability of steel.
A cylinder with a 0.3 m inner diameter and 0.4 m outer diameter is internally pressurized to 140 MPa. Determine the maximum shear stress at the outer surface of the cylinder.
A building has a calculated cooling load of 24 tons, of which 6 tons is latent load. The space is to be maintained at 72 F db and 50% relative humidity. 15% by volume of the air supplied to the space is outdoor air at 95 F db and 65% relative humidit..
Design a flow diagram (aircraft maintenance and inspection). How an aircraft mechanic can be properly trained using different instructional methods to inspect an aircraft structure. Instructional aids can be Computer Based, instruction led, on the..
just before it lifts off a 10500 kg airplane is traveling at 60 fts. the total horizontal force exerted by the planes
Define Kinematic Link or Element. Define Kinematic Pair Define Kinematic Chain. Define Mechanism.
Water cools at a rate of 0.1 deg C per second as it flows in a pipe at 1 m / s. At any fixed location, the temperature is independent of time. If the pipe is 10 m long, what must the temperature be at the upstream end to keep the water temperature at..
A fan is located in a 0.5 m x 0.5 m duct. The average air velocity at the fan outlet is 10 m/s and the air density is 1.2 kg/m^3. Determine the mass flow rate of air and the electric power consumption of the fan motor. (Neglect the inlet air velocity..
A solid block of wood weighs 62290 N/m^3. It is in a shape of rectangular parallelepiped having a 10 cm square base.If the boat floats in fresh water with the square base horizontal, what is its maximum height for stable equilibrium in upright positi..
A similar caisson is placed in open water, on a layer of sand. The water level is 5 m above the top of the sand, so that the top of the caisson is 5 m above water. Again calculate the average total stress and the average effective stress just belo..
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