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What series of equal (uniform) payments is necessary to repay the following present amounts? $5,000 in 5 years at 15% compounded annually with annual payments?
Determine overall BTu's per hour to heat the steel from inside to out to bring the outer surface from the -20 to 32F and determine the required forced air temperature of heat source to achieve this.
Compute the bearing stress exerted by the legs on the floor if the total weight of the machine is 28,500 lb and the load is equally divided among the four legs.
The mass of the air in the cylinder is 0.5 lbm. Assuming that the air properties can be modeled using the ideal gas law, determine the work and heat transfer (both in Btu).
Find the volume flow rate at the compressor inlet [L/s], the power input [kW], the COP, the second-law efficiency and the total exergy destruction rate [kW].
Calculate the amount of oil produced at the stock tank condition, if 15% of the reservoir oil is produced and there is no significant change in reservoir pressure. Your answer should be in [stock ta
Calculate the original oil in place (OOIP) of an oil reservoir if the drainage area = 1600 acres, thickness=30 ft, porosity=0.3 and Sw=0.2 at the initial reservoir pressure = 4000 psi.
Determine the specific volume of superheated water vapor at 10 MPa and 400 °C using (a) the ideal gas equation, (b) the generalized compressibility chart.
The valve is now opened and the entire system is allowed to reach thermal equilibrium with the surroundings, which are at 20 °C. Determine the volume of the second tank and the final equilibrium
Determine the reading on the pressure gage in psig when all the liquid has just turned to vapor (all saturated vapor). Show this process on a sketch of a T-v diagram.
Calculate the power and mix time for a pitch blade turbine agitator with diameter DA=0.33 m running at N=16 rpm in a tank system without baffles but otherwise conforming to the standard tank configu
Estimate the strain energy per unit volume. Assuming the shear modulus of Fe is 86 GPa and the Burgers vector is 0.248 nm.
Determine acceleration of m1 with respect to the block. Block is fixed. Determine acceleration of m1 if block/ground are frictionless, and block weighs 20kg.
If a clockwise moment of Ma=120N*m is needed to tighten the nut at A and the extension d=300mm, determine the requiered force F in order to develop this moment.
The stress components at a point in a plate are sigma(xx)=-100Mpa, sigma(yy)=sigma(zz)=20MPa, sigma(xy)=sigma(yz)=0 and sigma(xz)=-80Mpa.
The 175-lb man have centers of gravity located at points G1, G2, G3, respectively, determine the resultant moment produced by all weights about point A.
Assuming a theoretical efficiency of 32 percent and a steam inlet temperature of 290 degrees C, calculate the effective outlet temperature.
when theta=2pi/3 , the angular velocity and angular acceleration of the circular plate are theta dot= 1.7 rad/sec. Determine the magnitude of the velocity of the rod AB at this instant.
Determine the magnitude of the velocity of the peg P at this instant. Determine the magnitude of the acceleration of the peg P at this instant.
What is the present worth of the vaccines if there are 10 million beneficiaries in year 1 and an additional 15% each year through year 5? Use an interest rate of 8% per year.
What was the present worth of SWA's savings per gallon if the interest rate was 10% per year? And can you please tell me how you get the answer?
How long will it take for the concentration of nickel to reach 0.1wt%, 1.0mm below the interface? What does the comparison of the two answers show?
Incompressible fluid flows though a curved duct that turns the flow 180 degrees. Write an expression for the horizontal force Fx on the walls of the duct in terms of the variables density
A linear spring whose spring constant is 10 kN/cm is extended 0.0702 m from its free length in 2.63 seconds. What is the final load acting on this spring?
Determine how long it will take to vaporize all the liquid in the tank. Also, show the process on a T-v diagram with respect to the saturation curve.