EBK AUTOMOTIVE TECHNOLOGY: A SYSTEMS AP
6th Edition
ISBN: 8220100474392
Author: ERJAVEC
Publisher: Cengage Learning US
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Chapter 14, Problem 7RQ
For every pound of pressure put on engine coolant, the boiling point of the coolant is raised about.
- 2°F(1.1°C)
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Water at 60° F is being pumped from a stream to a reservoir whose surface is 210 ft above the pump. The pipe from the pump to the reservoir is an 8-in Schedule 40 steel pipe 2500 ft long. The pressure at the pump inlet is - 2,36 psig. If 4.00 ft³/s is being pumped,
a). Compute the pressure at the outlet of the pump. Answer: 0,997 MPa
b). Compute the power delivered by the pump to the water. Answer: 151 hp
Consider the friction loss in the discharged line, but neglect other losses
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Estimate the LFL and UFL for propylene using Equations 6-10 and 6-11 in the textbook,and compare these to the experimental values given in the table in Appendix B.
Chapter 14 Solutions
EBK AUTOMOTIVE TECHNOLOGY: A SYSTEMS AP
Ch. 14 - What is the most efficient way to increase a...Ch. 14 - True or False? Oil pressure is determined by...Ch. 14 - Describe the simple test used to determine whether...Ch. 14 - Which of the following is a function of the...Ch. 14 - What is ECD and what can result from it?Ch. 14 - True or False? To eliminate the drain of engine...Ch. 14 - For every pound of pressure put on engine coolant,...Ch. 14 - Which is not a typical method of driving the water...Ch. 14 - Which of the following is not an effective way to...Ch. 14 - Explain why a pressure relief valve is needed in...
Ch. 14 - List five problems that can be caused by engine...Ch. 14 - Cooling system hoses should be replaced when they...Ch. 14 - True or False? The presence of air in the cooling...Ch. 14 - Which of the following is not a true statement...Ch. 14 - Describe the procedure for using air bleed valves...Ch. 14 - Technician A uses a feeler gauge and straightedge...Ch. 14 - Technician A says that excessive engine oil...Ch. 14 - While checking for conditions that might cause...Ch. 14 - When installing an oil pump in an engine...Ch. 14 - Technician A says that if the PCV valve or...Ch. 14 - While bleeding air from a cooling system:...Ch. 14 - While diagnosing an engine that overheats after...Ch. 14 - While performing a cooling system service on a...Ch. 14 - While discussing the causes of extreme engine...Ch. 14 - While diagnosing the cause of air bubbles in the...
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- 4.16 aarrow_forward8. The thermal decomposition of nitric oxide at elevated temperatures 2NO → N₂+02 has been studied in a batch reactor where at temperatures below 2000K the rate expression that applies to low conversions is: r = kCm05 Co At high conversions, or when the initial mixture contains a high concentration of O2 the rate expression is given by: r = k' Cм0.5 C15C0,5 To explain these kinetics the following chain reaction mechanism has been proposed: Initiation: Propagation: 2NON₂O +0 k₂ E1=272.0 kJ/mol 0+ NO O₂+ N E₂-161.0 kJ/mol N+NO N₂+0 E3-1.4 kJ/mol K4 20+ MO₂+M E4=14.0 kJ/mol ks Termination: where M is any molecule capable of the energy transfer necessary to stabilize the oxygen molecule. Once appreciable amounts of O2 are present in the reaction mixture, the initiation reaction that is the primary source of atomic oxygen is no longer the first reaction. Instead, the following reaction begins to dominate the chain initiation process: Initiation (high O2): ks NO +0₂ NO₂+0 E5=198.0 kJ/mol a.…arrow_forward2:41 2) If the number-average degree of polymerization for styrene obtained by the bulk polymerization at 25°C is 5,000, what would be the number-average degree of polymerization if conducted in a 10% solution in toluene (900g of toluene per 100 g of styrene) under otherwise identical conditions? State any assumptions that are needed. (see Table 2-4). Table 2-4 Representative Values of Chain-Transfer Constants Monomer Styrene Chain-Transfer Agent T (°C) C x 104 Styrene 25 bas 0.279 * 50 0.35-0.78 Polystyrene 50 1.9-16.6 Benzoyl peroxide 50 0.13 Toluene 60 0.125 Methyl methacrylate Methyl methacrylate 30 0.117 70 0.2 Poly(methyl methacrylate) 50 0.22-1000 Benzoyl peroxide 50 0.01 Toluene 40 0.170 3) 2 3) Methyl methacrylate is copolymerized with 2-methylbenzyl methacrylate (M₁) in 1,4- dioxane at 60°C using AIBN as the free-radical initiator. (a) Draw the repeating unit of poly(2-methylbenzyl methacrylate). (b) From the data given in the table below, estimate the reactivity ratios of…arrow_forward
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