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An adiabatic piston-cylinder device equipped with a spring maintains the pressure inside at at 300kPa when the volume is 0, and 3000kPa when the volume is 5 m3. The device is connected to a steam line maintained at 1500kPa and 200 C, and the initial volume is 0. Determine the final temperature (and quality if appropriate) when valve is opened and steam in the line is allowed to enter the cylinder until the pressure inside matches that in the line. Also determine the total work produced during this adiabatic filling process.
A manufacturing firm is considering two mutually exclusive projects. Both projects have an economic service life of one year, with no salvage value. The first cost of Project 1 is $1000 and the first cost of project 2 is $800. The Net year for each p..
a vehicle pulls out onto a single lane highway that has a flow rate of 280 vehhr poisson distributed. the driver of the
A soil specimen is 38 mm in diameter and 76 mm long and in its natural condition weighs 168.0 g. When dried completely in an oven the specimen weighs 130.5 g. The value of Gs is 2.73.
Investigate the possibility of environmental problems that faced by the area of disaster.
An investor bought a tax-free provincial bond, at a cost of $1000 which will pay $50 interest each year for 20 years. The bond will mature in 20 years and return the original $1000.
a horizontal curve on a two-lane highway 12-ft lanes has pc at station 123 80 and pt at station 129 60. the central
An alloy is made up of 199.4 lbm copper, 204 lbm zinc, and 4.2 lbm lead. What is the composition, in atom percent, of the Cu-Zn-Pb alloy.
A contractor has both a 3-cy and a 5-cy shovel in the equipment fleet. Select the minimum-size shovel that will excavate 400,000 bcy of common earth in a minimum of 130 working days of 8 hr each.
On average each student produces 1 kg of carbon dioxide per day. The recommended ventilation rate of fresh air to avoid excessive carbon dioxide buildup is 8 L per second per student.
The following points are taken from data that is known to be of the form y = bx^m
An 18-m-long steel wire of 5-mm diameter is to be used in the manufacture of a pretested concrete beam.It is observed that the wire stretches 45 mm when a tensile force P is applied.
establish a grass cover over a 10ha landfill. the root zone of the grass is 40cm deep. increase the volumetric water
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