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In a test on the vaporization of H20 into air in a wetted-wall column, the following data were obtained: Tube diameter, 1.46 cm, Wetted-tube length, 82.7 cm Air rate to tube at 24oC and 1 atm, 720 cm3/s Temperature of inlet water, 25.15oC, Temperature of outlet water, 25.3SoC Partial pressure of water in inlet air, 6.27 ton; and in outlet air, 20.1 torr The value for the diffusivity of water vapor in air is 0.22 cm2/s at 0°C and 1 atm. The mass velocity of air is taken relative to the pipe wall. Calculate:
(a) Rate of mass transfer of water into the air
(b) KG for the wetted-wall column
draw a digital design consisting of 2 input AND gates and three inverters, where an inverter is connected to each of the AND gates input and its output. For each of the four possible combinations inputs applied to the two primary inputs.
For a face centered cubic, the volume of a conventional unit cell is a^3 Find the volume of a fcc primitive unit cell with three basis vectors: (0,0,0 --> a/2,0,a/2) and (0,0,0 --> a/2,a/2,0), and (0,0,0 --> 0,a/2,a/2)
a block (m=0.0433 kg) is sitting on a frictionless horizontal surface. The mass is connected to a spring with a spring constant of 24.5 N/m. The block is pulled back released from rest. The maximum acceleration of the block is 31.5 m/s^2.
(a) triple frequency currents from flowing inthe main lines of the power system; (b) while still providing a time sinusoidal flux linking the coils of each phase of the secondary to produce sinusoidal voltage for the customers.And how does ungroun..
1.In a certain transformer, the input powr to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues?
Using a 1 mA current source, the designer wishes to create a reference voltage of 1.25 V. Suggest a combination of series and parallel diodes that will do the job as well as possible. How many diodes are needed. What voltage is actually achieved.
Use a capacitor, a resistor and an operational amplifier circuit to design an active first order low pass filter which passes frequencies that human can hear (below 15kHz). Show all the calculations required to find the values of all the passive comp..
A simple pendulum is taken at a place whe re its separation from the earth's surface is equal to the radius of the earth. Calculate the time period of small oscillations
CONFUSING, but I know if two charges are the same and opposite they cancel. So, all charges cancel except for the charge at the top of the inner circle which is +2q.
What percentage change in the voltage gain with feedback would be produced by a 50 per cent change in the voltage gain of the basic amplifier due to a change in the load? The loading effect of the feedback network can be neglected.
An infinitely long wire is placed in a space with relative permeability of 9000 carrying current of 1.9 A in the +y direction. What is the magnitude of the magnetic flux density at (0.03,0,0) [meters] in units of Tesla
In around 1200 to 1400 words document, write down a paper in which you have to write a report on 'Running Oscilloscope on a PC'.
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