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answer the given question correctly
An ideal gas at a given state expands to a fixed final volume first at constant pressure and then at constant temperature. For which case is the work done greater?
Assume that the energy contained in coal is about 10,000 Btu/lbm. An electrical power plant burning coal has an output capacity of 1200 MW and the plant converts about 30% of the input energy to electricity.
A Ferris wheel with a radius of 35 feet starts from rest and undergoes an angular acceleration of 0.05 rad/s^2. Compute the magnitude of the velocity and acceleration vectors at 5 seconds for a point on the rim of the Ferris wheel.
You have two wires connected end to end. Wire 1 is copper and wire 2 is made using a special carbon conductor. Wire 1 has a resistance of 0.215 ohms/ft and is 500 ft long. Wire 2 has a resistance of 0.141 ohms/ft and is 700 ft long.
Radon from well water may pose a radiological health hazard. One treatment technique is simply to hold the water in storage, allowing the radon to decay. The decay rate is first order: Rn?>products;k=0.16day^?1 Consider a situation in which water is ..
What should be the length of an aluminum wire of 6 mm in diameter so it can be twisted one full turn without exceeding a shear stress of 42 MPa G = 27 GPa.
The base line vector between the base and roving reciever is 8340m and has an accuracy of +/-(1to 2 cm +/-2ppm). What is the estimated uncertainty in the length of this vector?
material (LCY) in 12 yard dump trucks, placing it, and compacting the weight of the soil is 3,750 lb/cu.yd. (30 pts.) (show your calculations) a) Find the Swell and Shrinkage b) Load and Shrinkage Factors
There are two ways to get from City One to City Three, (a) directly or (b) via City Two. Let A be the event that the road from City One to Three is open. Similarly, B is for City One to Two and C is for City Two to Three.
The minimum safe side slope for an excavation in a certain type of soil is 3 horizontal to 1 vertical. If a foundation excavation must be 40 ft wide x 60 ft long x 20 ft deep, How much soil must be removed from the site
If the weight flowrate into the elbow is 47 lbf/s, find the mass flowrate out of the elbow, the volume flowrate in and out of the elbow, and the average velocity in and out of the elbow.
The pressure inside the cylinder is 50 atm and temperature is 298o K. Provide your engineering judgement (with calculations) to justify or not justify the shipment of the cylinder.
a concrete box girder bridge has the rectangular x-section. the box is prismatic and considered thin-walled. it span is
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