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The beam shown is subjected to symmetric loading as shown. Assume that the deflections are also symmetric, so that points A and D each deflect inwardly (parallel to the load P) by v0 Use conservation of energy to determine the deflection Note that both forces do work through the deflection The beam has uniform bending stiffness EI.
What is the apparent molar mass for a gas mixture? Does the mass of every molecule in the mixture equal the apparent molar mass?
A girder that carries a uniformly distributed dead load of 1.7 K/ft plus its self-weight and three concentrated live loads of 15 kips at quarter points of that 36 ft span is to be sized. using A992 steel, determine the lightest W-shape to carry the l..
Refrigerant 134a enters the compressor of a vapor compression heat pump at 15 psi and 0 °F and is compressed to 160 psi and 160 °F. Liquid enters the expansion valve at 160 psi and 95 °F. At the valve exit the pressure is 15 psi.
An ogee spillway of a gravity dam is to be modeled using water. The spillway section is 40 feet high, its crest length is 60 feet and the maximum discharge is 3,000 CFS when the head on the crest of the spillway is 5 feet. Using a model scale of 1:10..
A company that manufactures regenerative thermal oxidizers made an investment 10 years ago that is now worth $1,300,000.
It is known that the velocity distribution for steady, laminar flowin circular tubes (either horizontal od vertical) isparabolic. Consider a 10 -mm- diameter horizontal tubethrough with ethyl alcohol is flowing with a steady mean velocity.15 m/s.
Briefly describe electron and hole motions in a p-n junction for forward and reverse biases;
the average values of the test results at four different test temperatires were found to be 10ft.lb -(-50 F) 15 ft.lb- 0F 40 ft.lb- 40F 60 ft.lb-100 F the bridge will be located ina region where specifications require minimum of 25 ft.
Saturated steam (at 20 bar) is used to heat up a toluene stream from 40oC, 1 bar to 150oC, 1 bar in a heat exchanger. The toluene stream is flowing at a rate of 100 kg/min. Steam leaves the heat exchanger as a saturated liquid at 20 bar.
The evaporation rate from the surface of a 3650-acre lake is 100 acre-ft/day. Estimate the depth change in the lake in feet during a 1-year period if the net inflow to the lake is 25 cfs. Is the depth increasing or decreasing? What is the change in c..
A race car C is being tracked via telemetry. The on-board acclerometer records and acceleration level of -.7get+.5gen. If you know that the v at this instant is 200km/hr, what is the tracks radius of curvature at this instant
Ball A is thrown vertically upward from the top of a 20-{\rm m}-high-building with an initial velocity of 3m/s . At the same instant another ball B is thrown upward from the ground with an initial velocity of 16m/s .
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