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Question: In a WHR system for a furnace, flue gas heats the fresh incoming air. Fresh air enters at 25 ºC and exit at 85 ºC. Specific heat of flue gas is 1.2 times that of fresh air. Flue gas is cooled by 120 ºC. The ratio of mass flow rate of fresh air to the flue gas is? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
At this time it has reached a height of 420 metres above launch pad and attained an upward velocity of 50 ms-1. From this time on, the rocket has constant upward acceleration -10 ms-2 (due to the effect of gravity alone).
An electric field with an average magnitude of about 220 N/C points downward in the atmosphere near Earth's surface. We wish to "float" a sulfur sphere weighing 4.8 N in this field by charging the sphere. What charge (in C), with the proper sign, mus..
Calculate the angle between the lines (in degrees). Use the angle in the +y direction from the crossing point. (All distances are in meters.)
a high-voltage transmission line with a resistance of 0.255 ?km carries a current of 1.25 ka. the line is at a
Why Constantan and Manganin are preferred to make standard resistance coil?
When a 24 Ohm resisotr is connected across a 12 Volt Battery, a current of 482 ma flows. What is the power delivered by the emf of the battery
The electrical supply is 130 V (rms) at 61.0 Hz; the lightbulb is rated as "130 V,1100 W." What value of Cmax is required if the rate of energy dissipation in the lightbulb is to be varied by a factor of 5 from its upper limit of 1100 W? Assume t..
A person is making homemade ice cream. She exerts a force ofmagnitude 22 N on the free end of thecrank handle, what is the average power being expended
Calculate the rotational kinetic energy in the blades when they rotate at 327 rpm. The moment of inertial for all 4 rods is given by the following equation
The coils of a motor's rotor have resistance of 2.0 Ω. When the motor runs at full speed, powered by 115V linevoltage it draws a current of 9A. What is the back electromagnetic field (emf) in this motor under those conditions? If the motor is preve..
A capacitor consists of two parallel plates, each with an area of 14.0 cm^2, separated by a distance of 0.150 cm. How much energy is stored in the charged capacitor
A proton is moving in the uniform electric field of part A. At point A, the velocity of the proton is 1.95×104{\rm m/s} , again pointed towards the east. What is the speed of the proton at point B
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