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Find the wavelength for 30 Hz at a temperature of 27.3 degrees Celsius. Assume the velocity of sound at 0 degrees Celsius at 331 m/s.
Fission of one nucleus of uranium235 yields an average of approximately 208 MeV. What mass of uranium produces the same energy as one ton of coal?
Ressure ratio, 8:1; air mass flow, 60 kg/s; all components are ideal. Find the compressor power, the temperatures and pressures throughout the cycle, and the exit-jet velocity.
If the density of the plywood is 550 kg/m3, what is the moment of inertia of the door about the hinges? Neglect the contribution of hinge components to the moment of inertia.
Steam at 1 bar enters an adiabatic heat exchanger with a quality of 0.901 and exits as a saturated liquid. Determine the volumetric flow rate (m3/s) of the steam entering the heat exchanger.
Briefly explain why porosity decreases the thermal conductivity of ceramic and polymeric materials, rendering them more thermally insulative.
Draw a P V Diagram adn then determine; intial volume of the gas, temperatre after Compression, pressure after compression, work of the compression process.
Complete the following; draw a P-V diagram. what is the final temperature. determine the work done during the entire process. what is the total heat transfer.
Calculate (a) the mass of the bubble , (b) the final temperature of the bubble ,(c) the work done by the gas , and(d) the laser energy required to perform the expansion.
If a bolt weighing 15 g and located 5 cm from center suddenly comes loose and flies off, determine the buildup of vibration if the natural frequency of the system is 18 cps with damping of S=0.10.
If the mass flow rate of the cold stream is twice that of the hot one, determine the specific volume of the exit stream.
A 10 lb bag is pushed off A and swings in a verticle plane and the end of rope l=5. Calculate and plot the swing of the bag and the magnitute off the tension as functions of the angle 0 to 90 in 5 i
The air pressure maintained above the waer level in the tank is 5psig, and the water level in the tank is 50 ft above the valve. What is the pressure in psig at the valve if the water temperature is
Ambient conditions are T inf =0 C and h = 25 W/m^2*K. Identify where the maximum temp is. Compute this temperature for the wet and dry hay.
Assume that the dissolved oxygen concentration in media ( that is flowing over the cells) is 0.2 mmol/litter of media. Plot shear stress and oxygen flux as a function of position?
If the surroundings are at 100kPa and 24 degrees C, determine (a) the exergy of the refrigerant at the initial and final states and (b) the exergy destroyed during the process.
Where must it strike the air water interface, relative to the spot directly above it, in order that the light does not exit the water?
A fan at a rock concert is 27 m from the stage, where the sound intensity level is 130 dB. Her eardrums have a diameter of 9.52 mm.
Calculate the pressure of air inside the cylinder before the piston moves, in lbf/in2 and psi. Calculate the work due to expansion of air in the cylinder, in Btu.
Calculate the quantity of heat which must be removed from the system so that the final pressure of the system is 1.0 bar. Also, find the change in the enthalpies (Delta H) and entropies (Delta S) fr
Calculate the Biot number to check if an assumption of uniform temperature within the ball can be made. Starting from its differential equation derive expression for the time history of temperature in
What initial mass of 210 Po is needed in a space RTG with a 19% thermal to electric conversion efficiency that is to have a power output of 65 W(e) one year after the start of the mission?
Show step by step how you will conduct data acquisition and control the thickness. The answer should include sketches and laboratory steps you go-through while you conduct this experiment.
If the encoder is connected directly to the lead screw determine: How many pulses are received by the control system to verify that table has moved exactly 5 inches?
The oil is flowing under a pressure gradient of 196 Pa/m. Calculate the oil volume rate, viscous shear stress at the pipe wall.