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The thrust developed by the engine of a Boeing 777 is about 380 kN. Assuming choked flow in the nozzles, determine the mass flow rate of air through the nozzle. Take the ambient conditions to be 265 K and 85 kPa.
A project consists of replacing the track on an existing railroad line, involving 3000 feet of track. The old track can be removed at a rate of 70 feet per hour. The old railroad ties can be removed at a rate of 200 feet (measured along the track) pe..
In my english class i have to write a propasl, and i choose to write a proposal on the libray doors at my school. the doors are very difficult to open even for young people like my self. who should i contact
List some of the common sources of sulphate ions in natural and industrial environments. For a given sulfate concentration, explain which of the following solutions would be the most deleterious and which would be the least deleterious to a permea..
According to the design philosophy in the AASHTO Specifications, how does a heavy truck parked on a prestressed bridge girder effect the nominal shear resistance of the girder?
what is the equivalent PF rate constant that would be used to describe treatment in a series of three CM reactors in terms of flow (Q), the total volume in the system (V), and the rate constant observed for the CM system
Google budgets for an energy consumption of the pump for this system of 2MW. If the pump 1 has an efciency of n= 87%, what is the ow rate of sea water through this tunnel
The frame is desinged to carry the hanging mass at G equal to 167 kg. The frame is supported by a pin connection at C and the rope AB, and constructed with pin connections at points E, F, and D.
A rectangular concrete beam of width b = 24 inches is limited by architectual considerations to a maximum total depth of h = 16 inches. it must carry a total factored load moment of Mu = 400 ft-kips. Design the flexural reinforcement for this member,..
Concrete cover on both sides. Sketch how you will place the bars and calculate the location of the effective depth. Place as many bars in the lower layers as possible.
Air at 20oC and 1atm flows at 20 m/s past the flat plate . A pitot tube placed 2mm from the wall, develops a manometer head h=16mm of Meriam red oil (SG = 0.827), measured relative to atmospheric pressure.
Assuming the mass of the whip is uniformly distributed along its length, calculate the velocity of the end of the whip as a function of the position of the loop (x), and calculate the position of the loop as the end of the whip breaks the speed of so..
Employing the ideal gas model with constant specific heat ratio k, determine the temperature at the end of the process and the amounts of work and the heat transfer per unit mass in Btu/lb
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