Fundamentals Of Thermal-fluid Sciences In Si Units
5th Edition
ISBN: 9789814720953
Author: Yunus Cengel, Robert Turner, John Cimbala
Publisher: McGraw-Hill Education
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Chapter 11, Problem 18P
To determine
The mass of the required weight.
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1. A simply supported shaft is shown in Figure 1 with wo = 25 N/cm and M = 20 N cm. Use
singularity functions to determine the reactions at the supports. Assume EI = 1000 kN cm².
M
Wo
0 10 20 30 40 50 60 70
80 90
100 110 cm
Figure 1 - Problem 1
2. A support hook was formed from a rectangular bar. Find the stresses at the inner and outer
surfaces at sections just above and just below O-B.
210 mm
A distillation column with a total condenser and a partial reboiler is separating ethanol andwater at 1.0 atm. Feed is 0.32 mol fraction ethanol and it enters as a saturated liquid at 100mol/s on the optimum plate. The distillate product is a saturated liquid with 80 mol% ethanol.The condenser removes 5615 kW. The bottoms product is 0.05 mol fraction ethanol. AssumeCMO is valid.(a) Find the number of equilibrium stages for this separation. [6 + PR](b) Find how much larger the actual reflux ratio, R, used is than Rmin, i.e. R/Rmin. [3]Note: the heats of vaporization of ethanol and water are λe = 38.58 and λw = 40.645
Chapter 11 Solutions
Fundamentals Of Thermal-fluid Sciences In Si Units
Ch. 11 - Prob. 1PCh. 11 - Someone claims that she can determine the...Ch. 11 - A submerged horizontal flat plate is suspended in...Ch. 11 - You may have noticed that dams are much thicker at...Ch. 11 - Consider a submerged curved surface. Explain how...Ch. 11 - Consider a submerged curved surface. Explain how...Ch. 11 - Consider a circular surface subjected to...Ch. 11 - Consider a heavy car submerged in water in a lake...Ch. 11 - Prob. 9PCh. 11 - Consider a 8-m-long, 8-m-wide, and 2-m-high...
Ch. 11 - Consider a 200-ft-high, 1200-ft-wide dam filled to...Ch. 11 - A room in the lower level of a cruise ship has a...Ch. 11 - The water side of the wall of a 70-m-long dam is a...Ch. 11 - For a gate width of 2 m into the paper (Fig....Ch. 11 - Determine the resultant force acting on the...Ch. 11 - A 6-m-high, 5-m-wide rectangular plate blocks the...Ch. 11 - The flow of water from a reservoir is controlled...Ch. 11 - Repeat Prob. 11–18E for a water height of 8...Ch. 11 - A water trough of semicircular cross section of...Ch. 11 - A cylindrical tank is fully filled with water...Ch. 11 - An open settling tank shown in the figure contains...Ch. 11 - From Prob. 11-22, knowing that the density of the...Ch. 11 - Prob. 24PCh. 11 - The two sides of a V-shaped water trough are...Ch. 11 - What is buoyant force? What causes it? What is the...Ch. 11 - Consider two identical spherical balls submerged...Ch. 11 - Prob. 28PCh. 11 - Prob. 29PCh. 11 - Prob. 30PCh. 11 - Prob. 31PCh. 11 - Prob. 32PCh. 11 - The volume and the average density of an...Ch. 11 - Prob. 34PCh. 11 - Prob. 35PCh. 11 - Prob. 36PCh. 11 - Prob. 37PCh. 11 - A 170-kg granite rock ( = 2700 kg/m3) is dropped...Ch. 11 - It is said that Archimedes discovered his...Ch. 11 - Prob. 40PCh. 11 - An air-conditioning system requires a 34-m-long...Ch. 11 - Prob. 42RQCh. 11 - Prob. 43RQCh. 11 - Prob. 45RQCh. 11 - Prob. 46RQCh. 11 - A semicircular 40-ft-diameter tunnel is to be...Ch. 11 - Prob. 48RQCh. 11 - Prob. 49RQCh. 11 - The average density of icebergs is about 917...Ch. 11 - Prob. 51RQCh. 11 - Prob. 52RQCh. 11 - Prob. 53RQ
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