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Steam at 100 psia, 500oF is throttled to 20 psia. Changes in kinetic energy are negligible for this process. Determine the final temperature and specific volume of the steam.
Identify the mass properties that would be used to determine an appropriate size box to package 60 ABS Plastic (0.038 lb/in3) blanks and to ship them at $1.15 per pound.
Saturated water vapor at 200oC is isothermally condensed to a saturated liquid in a piston-cylinder device. Calculate the heat transfer and the work done during this process in kJ/kg.
What is the composition, in atom percent, of an alloy that consists of 5.5 wt% Pb and 94.5 wt% Sn?
the 3000 lb car and the 4600 lb tow truck are stationary. the muddy surface on which the car rest exerts a negligible friction force on the car. what is the tension in the tow cable.
Saturated liquid-vapor mixture of water, called wet steam, in a steam line at 2000 kPa is throttled to 100 kPa and 120?C. What is the quality in the steam .
Determination of the open-loop system
a large tower is to be supported by a series of steel wires.it is estimated that the load on each wire will be 11100N. determine the minimum required wire diameter assuming a factor of safety of 2 and a yield strength of 1030MPa.
As shown, a 150 lb bungee jumper wants to jump from the top of a 630 ft high bridge and be able to just touch the water below. Given that the bungee cord has a spring constant of 108 lb/ft, what should the bungee cord's relaxed length, l, be for t..
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 rack structure will be built 2 ft above floor level, and the clearance between the rack structure and the ceiling of the building must be at least 18 in. Determine the dimensions (height, length, and width) of the rack structure.
A motorist enters a freeway at 36 kph and accelerates uniformly to 90 kph. From the odometer in the car, the motorist knows that she traveled 0.20 km while accelerating. Determine a.) the acceleration of the car, b.) the time required to reach 90 ..
Determine the largest allowable square cross section of a steel shaft of length 6 m if the maximum shearing stress is not to exceed 135 MPa
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