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Consider a rigid tank that contains a mixture of two ideal gases. A valve is opened and some gas escapes. As a result, the pressure in the tank drops. Will the partial pressure of each component change? How about the pressure fraction of each component?
Now 300 kJ of heat is transferred to the refrigerant at constant pressure while 110-V source supplies current to a resistor within the cylinder for 6 min. Determine the current supplied if the final temperature is 70 degrees C.
A certain fluid at 15 psia is contained in a cylinder behind a frictionless piston. The initial volume of the fluid is 300 in^3. The fluid expands to a volume of 450 in^3 while the pressure increases to 25 psia.
Sketch and identify the Tresca (maximum shear stress) and von Mises (maximum distortion energy) failure criteria in two-dimensional principal stress space (i.e., ?2 vs. ?1) for the above material.
A circular sewer is laid on a slope of 0.5%. What diameter is required if the concrete is to carry 25 cfs. If the desired design mean section velocity is between 3 and 7 feet per second, is the design acceptable
A smooth nozzle with a tip diameter of 2 inches terminates a 6 in waterline. Calculate the mean velocity of efflux from the nozzle when the velocity in the line is 10 ft/s.
Body A and body B are connected by an inextensible cord. If both bodies are released simultaneously from rest, what distance do they move in 3 sec and what is the tension in the cord. The weight of A is 50 lb and the weight of B is 10 lb.
Determine the specifications (unstretched length and springconstant k) for the elastic cord to be used at a bungee-jumping facility. Participants are to jump from a platform 150 ft above the ground.
A sightseeing tourist submarine is constructed. The portals along the side can be assumed to be essentially flat, vertical and 1 meter in diameter. Assume a specific weight of seawater of 10,000 N/m3.
Given that us=0.24 for all surfaces, find the force P needed to start the block A to the right.
A mining engineer plans to do hydraulic mining with a high-speedjet of water. a lake is located H=300 m above the mine site Waterwill be delivered through L=900 m of hte fire house with an inside diameter D
(1) To provide $750000 for th construction and $250000 for the initial equipment of a small engineering laboratory ; (2) to pay the $150000 per year laboratory operating cost; and (3) to pay for $100000 of replacement equipment every 4 years, beginn..
This causes the student to begin to rotate. Find the student's final angular velocity. The moments of inertia of the wheel and of the student are 0.313 kg · m2 and 2.09 kg · m2 respectively.
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