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Oil with a specific gravity of 0.70 is used as the indicating fluid in a manometer. If the differential pressure across the ends of the manometer is 8.0 kPa, what will be the difference in oil level
Over a flat portion of the salt lake bed in Utah, the wind can blow at a relatively steady velocity of 9.6 m/s. The flat portion has a length of 118 m, and the air temperature is 20 °C. During t
A 13.2 kg axial load is uniformly carried by an aluminum pipe with an outside diameter of 10.0000 cm and an inside diameter of 9.5643 cm. The pipe is 1.6 m long. Young's modulus for aluminum is 7.5
Helium has the lowest normal boiling point of any of the elements at 4.2 K. At this temperature the enthalpy of evaporation is 83.3 kJ/kmol.
The isentropic efficiency is known from manufacturer's data to be 83.2% in this situation. Determine the temperature at the turbine's exit (°C). Assume constant specific heats.
Determine (a) the rate of heat loss from the compressor, (b) the exit temperature of the refrigerant, and (c) the rate of entropy generation.
A 50 kg copper block initially at 350°C is quenched in a closed, rigid insulated tank containing 120 L of liquid water at 25°C. Determine the entropy change (kJ/K) of liquid
Why is it easier to exhale than to inhale in order to blow out a candle? How is it related to laminar flow or steady flow or unsteady flow or in uniform flow.
Determine the heat transfer coefficient and the amount of heat transfer during this period if there are eight such tomatoes in water.
The performance of a device is defined as the ratio of the desired output to the required input, and this definition can be extended to nontechnical fields.
A 50 kg copper block initially at 350°C is quenched in a closed, rigid insulated tank containing 120 L of liquid water at 25°C. Calculate the entropy change (kJ/K) of copper block.
An aluminum plate 0.5 cm thick is to withstand a force of 50,000 N with no permanent deformation. If the aluminum has a yield strength of 125 MPa, what is the minimum width of the plate?
Discuss the impact of conveyor speed and number of forklifts for your best model. Make sure that your model shows conveyor and forklift animation.
Determine the distance along the floor from the point of initial impact where the ball will no longer bounce above a height of 10 cm.
What gage material is used for a medium sized production for run? For higher-volume production? For situations requiring high accuracy or high wear?
Air, assumed to be a perfect gas flows through a long, 2-cm-diameter insulated tube. At section 1, the pessure is 1.1 MPa and the temperature is 345 K.
During A harsh winter, the ground surface is frozen to a depth of 1 m. Determine the heat transfer loss and how much it increases due to the advancing freezing front.
A rigid tank A of volume 0.6 cubic meters contains 3kg of water at 120 degrees celcius and rigid tankd B is 0.4 cubic meters with water at 600kPa, 200 degrees celcius. They are connected to a piston
The pipe rise from tank to trough is 6 feet. Calculate the required air pressure above the water in the tank to produce 100 gal/min of flow.
A water storage tank initially contains 100,000 gal of water. The average daily usage is 10,000 gal. If water is added to the tank at an average rate of 5000[exp(-t/20)] gal per day, where t is time
The flywheel of a punching machine has a mass of 300 kg and a radius of gyration of 600 mm. Each punching operation requires 2500 J of work.
Find expressions for the partial molar volumes of species one and two at T and P. Show that when these expressions are combined in accord with M = sum (xi*Mbar i) the given equation for V is recovered
Describe potential ideas for a mock-up, engineering model, and prototype of their newest camera. Be specific regarding materials or components that could be used for construction, when this model wo
Find the aproximate dimensions of a pin so that the bearing and tearout of the plate happen simotaniously, menaing the bearing, tear out of the plate, and the double shear of the pin are the same.
One process follows Arrhenius behavior, i.e., at a given load the inverse of time to fracture has been shown to increase exponentially with temperature. The activation energy associated with this me