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Using the Maxwell relations, determine a relation for (∂s/∂P)T for a gas whose equation of state is P(v - b) = RT.
The pressure at the end of the bend is 78 pounds per square inch. Determine the horizontal components of the forces necessary to hold the bend in place.
A 8 inch polyethylene pipe has a flow rate of 1000 gallons/minute with a linear length of 10000ft. Starting at elevation 200ft then ends at 600ft elevation. Initial pressure is 40 psi. find the friction and the head loss.
A W14x34 section is used as a simply supported beam over a span of 20 ft. The beam is loaded with a concentrated live load of 10 kips at the center of its span, in addition to its own weight.
The undeformed length of the spring is l. Knowing that the collar is released from rest at x = and neglecting friction between the collar and the horizontal rod, determine the magnitude of the velocity of the collar as it passes through point C.
As part of a drainage improvement project, a drainage ditch will be straightened and cleaned. As a result, the lenght of the ditch will decrease from 1800 ft to 1400 ft and the mannings roughness factor will be reduced to 0.018 from 0.022.
What power must the pump supply to the system to pump the oil from the lower reservoir to the upper reservoir at a rate 0.20 m^3/s. Sketch the HGL and the EGL for the system.
The kill of pathogens by disinfection in water treatment can be described by a first order reaction. Complete a reactor comparison for a batch reactor, CSTR and PFR for disinfection. The treatment plant produces 100 L/s of water.
An aggregate blend is composed of 53% coarse aggregate by weight (sp. gr. 2.702), 43% fine aggregate (sp. gr. 2.621), and 4% filler (sp. gr. 2.779)/ The compacted specimen contains 6% asphalt binder (sp. gr. 1.052) by weight of total mix, and has a b..
Demand for a particular product is normally distributed with a mean of 100 units and a standard deviation of 20 per period. if there are 120 units in inventory at the beginning of this period:
Write a program that prints the index numbers (rows and columns) of temperature data values greater than 85.0. ( Hint : You'll need to use the fi nd command.) Find the index numbers (rows and columns) of temperature data values less than 65.0.
An equal-tangent crest vertical curve is designed for 70 mi/hr. The high point is at elevation 1011.4 ft. The initial grade is +2% and the final grade is -1%. What is the elevation of the PVT? Solve this problem with the parabolic equation rather tha..
If there are 30 students in class, each dissipating sensible heat at a rate of 100 W, determine if it is necessary to turn the heater in the classroom on to prevent the room temperature from dropping.
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