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You are instructed to design a furnace wall capable of transmitting a maximum heat flux of 550 W/m2. The inside and outside wall temperatures are to be maintained at 1100°C and 200°C. respectively. Two brick materials are available to line the walls of the furnace. Both have dimensions 22 cm x 11 cm x 7 cm. One material has a thermal conductivity of 0.76 me K. and a maximum usable temperature of 810°C. Other material has thermal conductivity of 1.63 me K. and a maximum usable temperature of 130000. Bricks are made of each material cost the same amount. and they laid in any manner. Determine the most economical arrangement of bricks.
What is your long-term career goal? What are short-term activities th reach the goal? Step 2 - Making your career goals real
Determine the longest wavelength (in cm) of X-rays that is still capable of producing diffraction in copper, Cu.
Calculate the required flow rate of the entering steam in m3 /min. (10)4.1.2 Calculate the rate of heat transfer from the water to the methanol (kW). (5)
A stream of ethane gas at 493.15 K (220°C) and 30 bar expands isentropically in a turbine to 2.6 bar.
The adipic acid plant described in Examples 9.5 and 9.9 is to be built in China, with a location factor of 0.85. The cost estimate needs to be updated from 2006 to 2012. Up to 45% of the total investment can be secured as a low-cost loan at an int..
Compare the outputs associated with the manufacturing sequence of drug substance, drug product, and finished products, and the various administration techniques
If the company demands a 15 percent return on any unnecessary investment, which of the four designs should be accepted?
discuss the operation of the flip-flop, and obtain a table indicating the state of normal output Q after the passage of one clock pulse for various combinations of the inputs JK.
A stylized 108 saccade is shown in the following figure. Estimate z and n for the Westheimer model described in Section 12.4. Calculate the time to peak velocity and peak velocity
Question - 1 In an oxygen -nitrogen mixture at 10 atmosphere and 25 oc , the concentration of oxygen at two places 0.2 cm apart are 10 and 20 volume percent respectively. The rate of diffusion of oxygen expressed as g /cm2 -hr for the case of unic..
Explain in detail why this is the case, what the challenges are in terms of developing a successful small diameter vascular prosthesis and why you think this goal has yet to be achieved
Cost of installed unit, complete with distributor plates, supports, and all auxiliaries = 2.0 times purchased cost of shell and packing
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