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1. Air at 70°F, Flows into a 10-ft3 reservoir at a velocity of 110 fps. If the reservoir pressure is 14 psig and the reservoir temperature 70°F, find the rate of temperature increase in the reservoir. Assume the incoming air is at reservoir pressure and flows through a 8-in.-diameter pipe.
2. Water flows through a 2-in.-diameter horizontal pipe at a flow rate of 35 gal/min. The heat transfer to the pipe can be neglected, and frictional forces result in a pressure drop of 10 psi. What is the temperature change of the water?
energy addition in polytropic process in this case the initial air pressure is 750 psia and 750 f. the polytropic
1. Assume a vertical pipe and include gravity in the list of variables in Prob. 6.12 and ?nd an expression for the pressure drop. 2. The drag force on a sphere depends on the sphere's diameter and velocity, the ?uid's viscosity and density, and g..
What is the transducer sensitivity? Give units.
Find graphically the forces f1 and f2 in the crane. The triangle is standing up with a 90 degree angle next to the wall on top, with f1 pointing towards it
Discuss the benefits and drawbacks of using certain materials or certain designs in an engineering or architectural project of your choice
carbon monoxide in a piston-cylinder device is compressed from 1 bar and 37?c to 3 bar and 147?c. the compression
A feed water heater in a power plant has two inflows: 0.5 kg/s steam at 320°C and 7 bar and 4.5 kg/s liquid water at 35°C and 7 bar. A single flow exits the feed water heater. Assuming no heat transfer with the surroundings and constant pressure fo..
1. (a) In your own words describe briefly the phenomenon of luminescence. (b) What is the distinction between fluores- cence and phosphorescence?
the motion of a particle is defined by the position vector r=a(cos t + t sin t)i + A(sin t-t cos t)j, where t is expressed in seconds. Determine the values of t for which the position vector and acceleration are.
heat in the amount of 100 kj is transferred directly from a hot reservoir at 1200 k to a cold
How is the specimen going to deform in the transverse direction (a, b, or c) for a material of the following properties? Prove your answer by numerical computation.
an air standard brayton closed cycle receives air at 1 atm and 298 k. the upper temperature and pressure limits are 5
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