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Doug decides to use a turkey fryer to prepare the Thanksgiving turkey. Due to cold weather, he prepares the turkey with the door closed, limiting air exchage (Q) within the 40 m3 garage to 0.2 m3 min-1. If the fryer emits 350 mg min-1 of CO, a conservative chemical, how long does Doug have to open the door before the 800 mg m-3 fatality limit is surpassed? Assume an initial CO level of zero and that any air entering the garage is CO-free.
A wastewater is discharged to a stream with a reoxygenation constant of 0.5 day-1 and a velocity of 1 m/sec. The oxygen saturation concentration in the stream is 11 mg/L.
The search light is rotating at a constant rate of 4 rad per second. Find the magnitude of the velocity and acceleration of the spot of light on the wall when the search light beam makes a 45 degree angle with the wall.
Normal human skin and clothing temperature indoors is approximately 30 o C. In order to maintain this temperature, one student sitting in a classroom gives off heat at a rate of 14 watts per degree K
Design the shear reinforcement, vertical U stirrups for independent T beam. The beam spans 24 ft face to face between simple supports, has an effective depth d= 31 in.
What is the definition of a customer? What are some examples of internal and external customers? Is the measurement of customer satisfaction different for internal customers than for external customers?
The 35-in pump of fig. 11.7b is used to pump 24000 GPM of water (68ft) at 710 rpm from a large tank whose surface is at atmospheric presure. the head loss from tank to the pump inlet is 3ft.
A pump, which has an efficiency of 75%, adds 15 m of head to the flow of 20 L/s of water through a 100 mm diameter pipe. determine The energy that must be delivered by the motor to the pump
what are the interface design boundaries and issues for the design and installation of a new toilet for a building
Draw a P-V diagram for pure component and label appropriate points such as superheated region, isothermal line, etc.
Prove that the smallest angle of any triangulation of a convex polygon whose vertices lie on a circle is the same. This implies that any completion of the Delaunay triangulation of a set of points maximizes the minimum angle.
What would be the resistance on a level road. What horsepower must be delivered to the wheels on the grade? If the efficiency is 80%, what must be the rated horsepower of the motor.
a ship has a cross-sectional area of 4000 ft^2 at the water line when the draft ( depth below the water line of the vessel bottom) is 10 ft. How many pounds of cargo will result in an increase of draft of 2 in ( specific weight is 64 Ib/ft^3 )
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