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1. An air compressor receives atmospheric air at T0 = 17?C, 100 kPa, and compresses it to 1400 kPa. The compressor has an isentropic efficiency of 88%, and it loses energy by heat transfer to the atmosphere as 10% of the isentropic work. Find the actual exit temperature and the reversible work.
2. Two flows of air, both at 200 kPa mix in an insulated mixing chamber. One flow is 1 kg/s at 1500 K and the other is 2 kg/s at 300 K. Find the irreversibility in the process per kilogram of air flowing out.
A carbon steel tank, 6ft. inside diameter X 10 ft. long with a 3/8 inch wall, is sitting on evenly spaced rolls and 4 evenly spaced supports (2 on each side). What is the horizontal force excerted on the supports? From the detail provided
a belt sander is being brought up to operating speed at the instant of the belt is rotating in the clockwise direction ar 4 ft/s and acceleration at 40 ft/s. the tensioning cylinders A and B have a radius of 2.5 in.
A saturated 100 cm^3 clay sample has a natural water content of30%. It's found that the shrinkage limit occurs when the water content is 19%. If the specific gravity of soil solids is 2.7,
How many hours should it take an articulated wheel loader equipped with a 4 yd3 bucket to load 3,000 yd3 of gravel from a stockpile into rail cars if the average haul distance is 300 feet one way
You are using that tape to measure the distance between two pointswhere the tapes are supported at the ends only. The temperature ofthe day is 68oF. What amount of tension do you need to apply not tohave any corrections in the tape measurement?
Consider the deck to be simply supported onstringers. Floor beams then transmit the load to the bottom joints of the truss. In each case find themember subjected to the largest tension and largest compression load and suggest why you wouldchoose o..
Determine the force in each member of the roof truss. State if the members are in tension or compression. Assume all members are pin connected.
a particle p moves along the spiral path r=(10/theta)ft, where theta is in radians. If it maintains a constant speed v=20 ft/sec, determine Vr and V Theta as functions of theta and evaluate each at theta =1 rad
The temperature = 25°C; assume that u = 10^-2 after the addition. Compare the value obtained when ionic strength effects are taken into account with that calculated when it is neglected.
The tower crane is used to hoist the 2-Mg load upward at constant velocity. The 1.5-Mg jib BD , 0.5-Mg jib BC , and 6-Mg counterweight C have centers of mass at G1 , G2 , and G3 , respectively.
An L2 steel strap having a thickness of 0.125 in. and a widthof 2 in. is bent into a circular arc of radius 600 in. Determine the maximum bending stress in the strap.
Find e1, e2, e3 for tendon to be concordant - find deflection at those location
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