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Water flows at a rate of 10 cm3/s through a tube of 15 mm ID. The tube wall is maintained at a constant temperature of 60 °C. Calculate the local heat transfer coefficient at a distance of 1.0 m from the entrance of the tube. Also calculate the average value of the heat transfer co-efficient between x= 0 and x= 1.0 m. If the water enters the tube at a uniform temperature of 20 °C, determine the amount of heat transferred from the tube wall to the water over the first 1-m length of the tube.
The MHD channel is 200 mm by 200 mm in cross section and is 1 m long. A magnetic field of 1 T is generated between two surfaces as shown in Figure 10.52. The exhaust moves at 200 m/s and is seeded to produce a conductivity of 50 S/m in the channel..
Ninety-five percent of the acetone vapour in an 85 vol.% air stream is to be absorbed by counter-current contact with pure water in a valve-tray column with an expected overall tray efficiency of 50 %.
What is the temperature drop of the air, if air is assumed to be an ideal gas for which Cp = (7/2)R?
Following 5.0 hours of operation, the pellets are reweighed and found to have a mass of 3.52 kg. Calculate the molar flow rate (mol/h) of the feed gas and the mole fraction of water vapor in the product gas.
An elementary second order adiabatic reaction A+ B CD ? + is taking place in a CSTR. The feed to the reactor is equimolar A and B at concentrations of 2.4 mol/liter. The entering temperature is 300 K.
Explain about the Electroplating - Principle of Buffer Solution - Hess's Law of constant heat of summation
Calculate the tap pings k on a three-phase autotransformer to limit the starting current to 4 times the full load current. For such a limitation, determine the ratio of starting torque to full-load torque.
For this assignment you will undertake an analysis based on a self-designed fictitious study that utilizes statistical analyses. You will first develop a fictitious problem to examine. It can be anything.
The labor force is 100 million and the unemployment rate is 5 percent. One million people quit looking for a job. What is it called when an individual leaves the labor force, and in this case what is the new unemployment rate?
If a delta-connected capacitor bank, with a per-phase reactance of 60 Ω, is connected in parallel with the load at its terminals, compute the resulting line-to-line voltage at the load terminals.
Calculate the required value of Ta1 if the film temperature falls to 34°C, and the value if it rises to 36°C.
Implement a traffic light controller FSM with a state encoding where GNS=00, YNS = 01, GEW = 10, and YEW = 11. Show Karnaugh maps for the next state variables and output variables and a gate level schematic for the FSM.
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