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The final specific volume and b) plot the process, pressure (y-axis) versus volume (x-axis), for two intermediate pressures. Make a precise sketch of the process using uniform scaling.
Use 3 terms of Taylor series to estimate the velocity at t=6sec using v(t=0). What is the percentage relative error.
Calculate the maximum power (kW) that could be developed by the wind turbine if all the kinetic energy could be converted to mechanical work.
Determine the average punching shear stress the circular shaft creates in the metal plate through section AC and BD. Also what is the bearing stress developed on the surface of the plate under the s
The velocity of point P relative to frame A is vp/A = (-14.9 i + 19.4 J) ft/s and the acceleration of P relative to frame B is ap/B = ( 3.97i + 4.79j) ft/s/s.
A storage tank in a refrigeration system has a volume of 0.0060 m3 and contains a two phase liquid-vapor mixture of Refrigerant 134a at 180 kPa. Plot the total mass of refrigerant, in kg.
Steam contained within a piston-cylinder assembly undergoes an expansion from state 1. Find the energy transfer by work from the steam to the piston during the process (kJ).
If a truck carrying a crate on its bed brakes hard enough that the crate slides to the right relative to the truck the distance d between the crate and the front of the trailer changes according to
Estimate the tensile strength of the wire and the work required to take 1m^3 of the wire to the point of necking. The curve of true stress against true strain for the metal wire approximates to.
If initial and final pressures and volumes are the same as in part (a), find the volume at 3 bar if the relationship between pressure and volume is linear.
A tank originally contains 100 liters of water with a concentration of 50 g/l. Water containing 200 g/l is poured into the tank at a rate of 2 l/min and the mixture from the tank is allowed to flow
A gas contained within a piston-cylinder assembly undergoes three processes in series. Sketch the processes in series on a p-V diagram labeled with pressure and volume values at each numbered state.
Determine the force on the guinea pig, in N, that caused it to come to rest. Find the amount of energy transfer by work, in kJ.
Maximum normal stress and maximum shear stress. Direction cosines for each principal normal stress axis. An element of material is subjected to the following state of stress.
A flashlight is powered for 30 minutes by a 9-V battery supplying power at 0.5 amps. Determine the total amount of energy transfer to the flashlight by work, in kJ.
The relationship between pressure and volume during the process is pV^(1.35) = constant. For the N2, determine (a) the volume at state 2, in m^3, and (b) the work, in kJ.
The accerleration of a particle is defined by the relation a = A - 6t^2, where A is constant. At t = 0, the particle starts at x = 8m with v = 0. KNowing that at t = 1 s, v = 30 m/s.
Consider a solid rod with diameter D and length L subjected to torsion T and moment M at both ends shown in Fig. 1. Where along the y-axis are the principal normal stresses and principal shear stres
The 4-mm-diameter cable BC is made of a steel with E = 200 Gpa. Knowing that the maximum stress in the cable must not exceed 190 Mpa and that the elongation of the cable must not exceed 6 mm, find
R-410a flows inside the tubes and evaporates at a constant pressure of 40 psia from saturated liquid conditions to an exit temperature of 40ºF. Calculate the mass flow rate of liquid required a
A motorcycle starts from rest at t = 0 and travels along a straight road with a constant acceleration of 5 ft/s2 until it reaches a speed of 60 ft/s. Afterwards it maintains this speed.
The refrigerant leaves the condenser as a saturated liquid and the evaporator pressure is 400 kPa. Determine the following the rate at which heat is added to the environment of the recreational vehicl
Determine the repeat distance, linear density, and packing fraction for BCC lithium, which has a lattice parameter of 0.35089 nm, in the [100], [110], and [111] directions. Which of these direction
Prove using the increse in entropy principle that the maximum thermal efficiency for any heat engine is the Carnot efficiency.
A car starts from rest with an acceleration of 1300 mi/h2, which remains constant until its velocity reaches 65 mph. Thereafter, the car maintains this velocity. Determine the distance traveled by