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If the cable length is 149 feet and the buildings are separated by 100 feet, what is the load on the cable in pounds?
How do the concepts of cracking pressure, pressure override and full-flow pressure relate to the operation of other control valves, such as sequence and counterbalance valves?
In addition to the analysis that you presented in (a), what features might you look for on the fracture surfaces to support your conclusion?
Write a program that accepts a numerical value x from 0 to 100 as input and cmputes and displays the corresponding letter grade. Use only elseif clauses in your program.
Assuming that the volume of the football does not change significantly during the cooling process, evaluate the following the mass of air inside the ball.
Assume the enthalpy of the inlet and exit air for each tank is constant at 300.19kJ/kg. One tank is ~198oK higher than the other after the valve shuts.
The volumetric flow rate at the exit for constant specific heat is 3.831 m^3/s. Calculate the volumetric flow rate at the exit for variable specific heat.
Find the enthalpy of steam at 0.4 Mpa and 0.7 dryness. Determine the amound of heat required to convert 4kg of water at t=38K into dry saturated steam at 1 MPa gauge pressure?
What percentage increase in volume takes place in the contents of a kerosene tank when the tempeature is raised from 4oC to 325k?
A vessel contains 2 litres of gas at a pressure of 300 kPa and a temperature of 27oC. 3 litres of gas at the same temperature and pressure are forced into the vessel.
The spring constant is such that to compress the spring 100 cm a force of 360 kN is needed. At the end, the pressure in the cylinder is 7 MPa. Obtain: a) final state properties. b) the work done for
An 1800-W electric resistance heating element is immersed in 40 kg of water initially at 20oC. Determine how long it will take for this heater to raise the water temperature to 80oC.
What is the maximum length of longitudinal through crack that can be permitted with a safety factor of 3, if the material has a fracture toughness Kic=50 MPa sqrt(m)?
Sketch the process in series on P-V coordinates. Evaluate the (a) volume at state 2, in ft3, (b) work for each process, in Btu.
The initial guesses for the root are assumed to be x0=3 and x1=2 . Given f (3) =28 and f (2)= 4 , what is the angle the secant line makes with the x -axis?
The compression process is adiabatic, and temperature at the compressor exit is 140F. Determine the mass flow rate of refrigerant, in lbm/min.
All other aspects of the operation follow the ideal cycle. You must draw a schematic for this problem. Determine the net work developed per unit mass of steam flow, in Btu/lbm.
Compute the surface heat transfer coefficient due to natural convection during the initial cooling period. The diameter of the container is 1 m and it is 2 m high.
Water at 20 degrees Celsius is flowing with velocity of 0.5 m/s between two parallel flat plates placed 1 cm apart. Determine the distances from the entrance at which the velocity and thermal bound
Based only on a comparison of their impaction numbers, what will be the ratio of particles collected (5 micrometer to 1 micrometer)? Show work.
Assuming Stokes behavior, calculate the terminal settling velocity in standard air for the following particles: a. diameter = 10 micrometers, specific gravity =1.2.
Determine the load required to compress the specimen to a height of (a) 62 mm and (b) 58 mm assuming that the cross section increases uniformly.
The principle sources of this radioactivity were 137Cs (half-life of 30.2 yr) at 156 Ci/cm3 and 134Cs (half-life of 2.06 yr) at 26 Ci/cm3. How many atoms per cm3 of each of these radionuclides were
How many cubic meters of ore at an average density of 2.8 g/cm3 had to be excavated to provide the uranium if the ore grade was 0.8 w/o?
The steam expands to 15.0 psi a with a specific volume of 27.34 ft^3/Ibm and a final internal energy of 1080.1 BtuIbm. Calculate the velocity at the exit of the nozzle.