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The figure shows a V-truss girder with a vertical load in B. All bars are elastic with stiffness EA.
a) Determine the reaction and bar forces.
b) Determine the vertical displacement of nodes B and C.
c) Determine the horizontal displacement of node D.
State the name and purpose of the components shown in the circuit diagram. Explain the operation of this circuit. Explain the limitations of this circuit in terms of 'speed control'
A pump operating at steady state takes in saturated liquid water at 65 lbf/in.2 at a rate of 10 lb/s and discharges water at 1000 lbf/in.2 The isentropic pump efficiency is 80.22%. Heat transfer with the surroundings and the effects of motion and ..
A piston-cylinder device contains helium gas initially at 150 kPa, 20 degrees C, and 0.4 m^3. The helium is now compressed in a polytropic process (PV^n = constant) to 400 kPa and 140 degrees C. Determine the heat loss or gain during this process.
air is compressed in a steady-flow compressor via a polytropic process from 15 psia and 60ordmf state 1 to 75 psia and
Part of a 1 litre pressure vessel design involves force and stress calculations for the main parts of the vessel. Since the vessel was designed and manufactured in the US before being delivered to Brisbane, those calculations were carried out to the ..
saturated steam at 2 mpa is contained in a piston-cylinder device. the initial volume is 0.25 cubic meters. heat is
Two standard gears in mesh have 48 and 102 teeth, respectively. Their diametral pitch is 10, and the pinion rotates at 60 rpm cw. Determine the center distance between the gears, the pitch diameters, the circular pitch, the pitch line velocity, the l..
Derive an expression for the maximum theoretical efficiency of a heat engine utilizing this heat source versus time. Plot the maximum theoretical efficiency versus time for 10 years. Assume that there is sufficient ocean water available to maintai..
In an experiment, the temperature of a hot gas stream is to be measured by a thermocouple with a spherical junction. Due to the nature of this experiment, the response time of the thermocouple to register 99% of the initial temperature difference ..
Average pressure at end of stroke? Upsetting force required at the end of the stroke? If friction is neglected, what is the amount of upsetting force?
A common approach to system testing is to test the system until the testing budget is exhausted and then deliver the system to customers. Discuss the ethics of this approach for systems that are delivered to external customers.
The temperature of the water is also 27°C. Determine the value of the convection mass transfer coefficient.
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