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1. A horizontal rod 5 mm in diameter is immersed in water maintained at 18°C. If the rod surface temperature is 56°C, estimate the free convection heat transfer rate per unit length of the rod.
2. A horizontal uninsulated steam pipe passes through a large room whose walls and ambient air are at 300 K. The pipe of 150-mm diameter has an emissivity of 0.85 and an outer surface temperature of 400 K. Calculate the heat loss per unit length from the pipe.
Devise a preliminary control scheme for the sections of the nitric acid plant described in Chapter 2, flow sheet Figure 2.8, which are listed below. Make a practice HAZOP study of each section and revise your preliminary control scheme.
Draw a PV graph and show this process. Show all the relevant temperatures and pressures as well as the critical isotherm and the critical pressure.
Assuming that sucrose is produced by the reaction: 12CO2(g)+11H2O(l) yields C12H22O11(s) 12O2(g); delta H=5640kj calculate the percentage of sunlight used to produce the sucrose- that is, determine the efficiency of photosynthesis.
What force must the biceps generate to hold the forearm in static equilibrium?
A steam press at 650Kpa + dryness fraction of 0.9% flows along a pipe at a rate of 3.5Kg per second. Steam mixes with additional steam that has been throttled from a pressure of 2000Kpa to a pressure of 800Kpa which enters from a branch pipe. If t..
Think about how a growth factor would work to attract the cell to the surface and how these proteins could be anchored to the surface so that this functionality is not compromised.
The column will operate at 1.1 bar and ambient temperature. If necessary, the aqueous stream may be recirculated to maintain a suitable wetting rate.
Given below is the diagrammatic representation of one of the categories of small molecular weight...Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living
In the storage of flammable liquids, if the composition of the vapor-air mixture above the liquid surface falls within the flammability limits, a floating roof tank would need to used or the tank blanketed with inert gas. Check if the vapor compos..
Use the masses given in the following table to calculate the change in energy when 1 mol of 232Pu nuclei and 1 mol of 231Pa nuclei are each formed from their respective number of protons and neutrons.
Determine the heat of mixing AH of sulfuric acid in water and the partial specific enthalpies of H2SO4 and H2O for a solution containing 65 mass-% H2SO4 at 298.15 K (25°C)
Compute the pull on the plunger for g = 1.25 cm.
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