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Sketch the shear force and bending moment diagrams for the simply supported beams and cantilevers shown in Figures 1.87-1.91 . Indicate the magnitude and nature of the maximum shear force and bending moment and the positions where they occur. Indicate also the position of any point of contra flexure.
An amount P must be invested now to allow withdrawals of $1,000 per year for the next 15 years and to permit $300 to be withdrawn starting at the end of year 6 and continuing over the remainder of the 15-year period as the $300 increases by 6% per ye..
Explain whether the following situations and should be modeled as closed systems, control volume systems, or transient systems. Convert the following temperatures to °F, °C, K, R (4 pts) a. 98.6 °F b. 298 K c. 5715 °F e. 100 °C. Convert the following..
what are individual cutting tool with a number of cutting edges. they are useally held on the tool shank with various
Water at 20 C flows across a flat plate at a velocity of 0.25 m/s. compute the distance from the plate’s leading edge to where the laminar boundary layer thickness is 3 cm. Verfiy that the flow is indeed lamiar at this distance.
consider a 100 mw power plant consisting of an adiabatic steam turbine a constant pressure condenser an adiabatic pump
During some actual expansion and compression processes in piston-cylinder devices, the gases have been observed to satisfy the relationship PVn= C, where n and C are constants. Calculate the work done when a gas expands from 350 kPa and 0.03 m3 to a ..
heat is generated uniformly inside a 20-mm thick plane wall at a rate of 20000 wm3. the thermal conductivity of the
The inner pipe of a double-pipe heat exchanger has an OD of 1.9 in. and contains 36 rectangular fins of the type shown in the sketch below. The fins are made of steel (k=34.9 Btu/h ? ft ? ?F) and are 0.5 in. high and 0.035-in. thick.
body a has a mass of 50 kg while the mass of body b is 20 kg. a force f 500 n is applied to body a parallel to the
An iron-carbon alloy initially containing 0.55 wt% C is exposed to an oxygen-rich and virtually carbon-free environment at 1325 K. Under these conditions, the carbon diffuses from the alloy and reacts with oxygen at the surface.
a class room that normally contains 40 people is to be air conditioned with window air conditioning units of 5 -kw
In coal gasifiers, refractories and metals must withstand the coal/air or coal/oxygen combusting atmospheres. The Zr-Nb-Ti system is under consideration as alternative to the Fe and Ni alloy systems because the coal combustion degrades these alloy sy..
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