COP of 3.8 and uses 200 W

Three fractionator overhead system configurations are illustrated below. Describe each configuration. Include the movement of components and/or streams. Discuss the advantages and disadvantages of each configuration.

Which of the cross-sections below would experience the lowest engineering stress when the same load is applied? D A В 2 2 O1. C O II. A O II. D O IV. B

Briefly describe the following: (i) Saddle Support (ii) Skirt Support.  In detail.

Calculate the viscosity of oxygen at 350 K and 1 atm pressure using equation 7.12 on page 90 of the text (also found in the PowerPoint slides).and compare with the value in Appendix I.

If the maximum force one bolt can withstand is 32505 lbf, how many bolts can be removed from the pressure vessel at the given conditions before the end cap blows off?

5. The following table shows data from a flow study of a PS melt at 210°C in a capillary rheometer. a. Make a plot of log shear stress versus log shear rate. b. Calculate the value of the viscosity at 1 and 135 s', respectively. Shear Stress ,(10° dyn/cm') Shear Rate, 3.5 1.0 12.0 5.0 20.0 12.2 33.0 25.0 40.0 52.5 60.0 135.0 69.8 400.0

In a large student house in Sheffield, cold water is supplied by the mains water supply at a pressure of 2 bar, gauge, and at a temperature 10°C. A wash basin cold tap is located 3 meters above the mains supply, connected to the mains pipe with a copper pipe of internal diameter 15 mm and length 12 meters. When the tap is opened the flow rate of water out of the tap is 24 litres per minute, creating a Fanning friction factor in the pipe of 0.008.

Describe all the methods of measuring flow in field for pipe flow?

(3) We are offered some pipes made of a new kind of plastic. To test their roughness, we pump water through a 0.0762 m pipe made of this material at an average velocity of 12.19 m/s. The observed Fanning friction factor is 0.0032. Estimate the absolute roughness of this plastic.