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When a body is suspended from a fixed point by a certain linear spring, the angular frequency of its vertical oscillations is found to be Ω1. When a different linear spring is used, the oscillations have angular frequency Ω2.
Find the angular frequency of vertical oscillations when the two springs are used together (i) in parallel, and (ii) in series.
Show that the first of these frequencies is at least twice the second.
A relief valve is installed on the bottom of a pressure vessel. The entrance to the valve is 4.5 inches diameter, and the exit (which discharges in the horizontal direction, 90 degrees from the entrance) is 5 inches in diameter. The loss coefficient ..
An ordinary vapor compression cycle using propane operates at temperatures of 240 K in the cold heat exchanger, and 280 K in the hot heat exchanger. How much work is required per kg of propane circulated in the compressor is 80% efficient? What cooli..
Two horizontal surfaces separated by a 125-mm layer of air have upper and lower temperature of 300k and 350k, respectively. Determine the rate of heat exchange per square meter between the two surfaces?
For T 5 808F, determine the steam quality at the turbine exit, the steam mass flow rate, in lb/h, and the thermal efficiency. Plot the quantities of part (a) versus T ranging from 80 to 1058F.
why does necking occur during a tensile test? use your knowledge of engineering stress and strain to explain the
Sketch the T-s diagram for the cycle (put labels and appropriate information)
A counter-flow double pipe heat exchanger is heat water from 20 degrees Celsius to 80 degrees Celsius at the rate of 1.2 kg/s. The heating is to be accomplished by geothermal water available at 160 degrees Celsius at a mass flow rate of 2 kg/s.
Find the contact or interfacial stress on the connecting plane, expressed in terms of p and the two sets of material properties.
The rod swings in the plane tangent to the edge of the disk. Assuming the disk has a moment of inertia J about its center, find the equations of motion of this system.
atmospheric air at 90o f and 60 relative humidity flows over a cooling coil at an inlet volumetric flow rate of 2000
consider a rigid tank with a partition such that there are two equal volumes which are known. on one side has water at
the city of houston has a water filtration system that consists of a large rigid tank with a single 1.5m diameter inlet
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