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As it operates, the machine produces a harmonic force of magnitude 125 N. Determine the operating speeds of the machine at which the machine's steady-state amplitude is less than 0.2 mm.
If after 49.5 h the concentration of carbon s .35wt% at a position 4.0mm below the surface, determine the temperature at which the treatment was carried out.
The gas is allowed to expand until the pressure is 1 bar and the final volume is 0.02 m^3. Calculate (1) the molar mass of the gas and (2) the final temperature.
While the piston mass is 30 kg, its area is .003m^2, and the ambient pressure is 100 kPa. The pin is then removed and the H2O expands rapidly and adiabatically. What is the final state of the H2O?
Determine the required stiffness k(B) of the inner spring so that the motion of the ingot is stopped at the moment the front, C, of the ingot is 0.3 m from the wall.
The pipe is in the middle of the pillar, and is 10m long. If the pipe surface is 500K and the outside of the concrete pillar is 300K, what is the heat loss from the pipe?
The condenser pressure is 1 lbf/in2. If the turbine stages and pumps operate isentropically, determine the thermal efficiency of the cycle. You must draw a schematic for this problem.
Determine a) the flow capacity in L/min of the fan that needs to be installed, b) the diameter of the duct if the air velocity is not to exceed 4 m/s.
If the radius of gyration of the flywheel is 698 mm, calculate the average magnitude of the couple exerted on the flywheel by friction within its bearing.
Determine: a) the volume flow rate of the refrigerant at the inlet, b) the mass flow rate of the refrigerant, c) the volume flow rate of the refrigerant at the exit, d) the velocity of the refrigera
A t=10-mm-thick horizontal layer of water has a top surface temperature of Tc = - 4 C and a bottom surface temperature of Th = 2 C. Determine the location of the solid-liquid interface at steady sta
The tubes at 6 MPa and 450 degrees Celcius with a velocity of 80 m/s. Calculate the velocity of the water at the tube inlet, and the inlet volume flow rate.
Why is the initial inlet line pressure below atmospheric pressure in both the cavitation and air entrainment tests? Explain the reason the pressure drops in the pump inlet line as the cavitation tes
The force in the cable is F= (3200 t^2) N, where t is in seconds. (Incline is a 17-8-15 triangle) If the car has an initial velocity v1= 2m/s at s= 0 and t= 0, determine the distance it moves up the
It is desired to select a flat plate or plate and frame type heat exchanger for proble. Is it possible to use the approach method to identify the appropriate heat exchanger from FlatPlate Inc?
Design the shell and tube heat exchanger based on the information given above: shell diameter, tube diameter, tube length, heat transfer area, pressure drop. Make any necessary assumptions.
From there, it is isochorically brought to a final pressure and temperature of 10 bar and 200°C. Show the process on a P-v diagram and determine the work transfer for each process (W12 and W23).
A battery delivers 24 V at a current of 10 A over 1 hour to a motor. As a result, the motor turns exerting a torque of 70 Nm for 1800 revolutions. What is the net work out of the motor?
Determine the magnitude of the normal acceleration of a bull-roarer when it is spun in a circle of radius 0.9 m at a speed of 20 m/s/.
With complete and vigorous mixing of air volumes, how much volume must you change in the building to reduce the concentration of CO2 by half if the outside air concentration is 0 ppm?
Draw the linkage to scale and find the minimum and maximum values of the transmission angle. Also sketch both toggle positions and record the corresponding crank angles and transmission angles.
Determine the limits of size for the shaft and for the bearing, and calculate the maximum and minimum clearance or interference that these limits of size provide.
The firing velocity is 500 m/sec. How far along the slope and with what velocity will the projectile strike the ground? Provide a sketch.
Calculate the circumferential and longitudinal stresses in the plates when the internal pressure is 800kN/m2. If the ultimate tensile stress of the material used it 600MN/m2.