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1. A piston/cylinder compressor takes R-410a as saturated vapor 500 kPa and compresses it in a reversible adiabatic process to 3000 kPa. Find the final temperature and the specific compression work.
2. A piston/cylinder receives R-410a at 500 kPa and compresses it in a reversible adiabatic process to 1800 kPa, 60?C. Find the initial temperature.
Welding of rebar on site is generally an uncommon occurrence. When a small amount of field rebar welding is required, what can the general contractor do to expedite this work?
Prepare a metes-and-bounds description for the parcel shown in the accompanying figure. Assume all corners are marked with 1-in.-diameter steel rods, and a 20-ft meander line setback from Indian Lake.
a concrete dam retaining water has a specific weight of concrete of 23.5kn/m3, what is the factor of safety against sliding & overturning and pressure intensity on the base if coefficient of friction is 0.45.
By integration, determine the moment ofinertia about a horizontal axis at the channel bottom. Using the parallel axis theorem, determine the moment of inertia about ahorizontal axis through the centroid.
Drawdown at an observation well 15 m from the pumped well is 3.0 m, and drawdown at a second observation well 150 m away is 0.30 m. find the hydraulic conductivity of the aquifer.
What is the name of the text book and author used for thr course CEE30 in the spring quarter of 2013, at University of California Irvine?
A rotating shaft with an applied torque of 400 Newton-meters is held in place (stopped) by a shaft key. The diameter of the shaft is 15 centimeters. The shaft key has a length of 20 cm, and is square, with its width and height being 5 cm.
For a hydrology question we are given the depth of runoff and the time. We are to make a hyetograph using this information but Im not sure how to get the intensity of the rainfall from this information
At a depth of 4 miles in the ocean the ppressure is 9520 psia. Assume that the specific weight at the surface is 64.0 lb/ft^3 and that the average volume modulus is 320000psi for the pressure range.
State the two main reasons why an activated sludge system is operated at a relatively low food/microorganism ratio.
A vertical curve is formed when a rural highway passes under a bridge joining a -8% grade to the horizontal grade satisfying the requirement for safe speed of 90 Km/hr . Determine the minimum clearance required betewen the highway pavement surface..
A rural freeway has an ideal free-flow speed of 120 km/h and two 3.6 m lanes in each direction, with right shoulder lateral clearance of 1.2 m. Interchanges are spaced approximately 5 km apart. Traffic consists of 10 percent trucks and buses and 8..
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