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A cylindrical hard-wall tube has a length of 15 cm and cross-sectional area of 4 cm^2. The tube is closed at one end and open to air at the other. (a) determine the first three natural frequencies of the tube (b) Draw the standing wave pattern for both pressure and velocity (c) repeat parts a and b if the right one end is attached to an orifice (Hint: consider the impedance of the orifice to be pure resistive).
Classify the sections of the components in automatic control system.
Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.
xerted on the shaft shown in the figure, which rotates at 1150 rev/min and supports a 10-kip bending force. Use a 1095 HR steel. Specify a diameter d using a design factor of nd = 1.6 for a life of 3 min. The surfaces are machined.
Estimating fractions of a cost, Estimate what fraction of the price of a pocket calculator is required to cover the cost of developing the product.
An engine block with a surface area measured to be 0.90m2 generates a power output of 55 kW with a net engine efficiency of 35%. The engine block operates inside a compartment at 157oC and the average convection heat transfer coefficient of 60 W/m..
How does artificial aging affect KIC in a 7075 alloy? Which is likely to have a higher KIC: 7075-T6 or 7075-T7? Explain.
Determine distribution of shear force and bending moment
Steam at 10bar and 0.95 dry flows at 130 m/sec in a pipe. It is throttled to 8 bar and the flow rate is 12 kg/sec. Assuming velocity in the pipe on the down stream side of the valve is 160 m/sec. Find the final condition of steam and the pipe diam..
Strategy formulation presupposes a set of objectives and goals.
A 7 kg cylinder is attached to a series of two springs in the attached illustration. If the cylinder is released from rest - when the springs are both un-stretched - determine the maximum stretch in each spring.
determine the expressions for attractive and repulsive energies, EA and ER as a functions of r where r is in nm and E is in eV.
The desire is to raise the temperature of the ambient air from 60 degree F to 350 degrees F ---- I need to calculate the amount of steam energy in BTU's per minutes and lbs of steam per minute necessary to accomplish the increase in air temperatur..
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