AUTOMOTIVE TECHNOLOGY TECH MANUAL
7th Edition
ISBN: 9781337794220
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 8, Problem 3MC
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You have been tasked with figuring out how to suppress changes in the supply flow rate to a reactorfor which it is desired to keep the inlet flow rate as constant as possible. You are considering designing a surgetank to place upstream of the reactor and then installing a pump on the line between that surge tank and thereactor. A surge tank is one with a weir inside it, which is a partial wall separating the tank volume into twoconnected sections allowing for flow under the weir between the two sections. The variable inlet mass flow,wi(t) flows into volume 1 and then flows due to hydrostatic pressure at a mass flow rate of w1(t) into volume 2.The weir causes a flow resistance, R1, such that w1 = (h1-h2)/R1. Fluid is then pumped out of volume 2 at thedesired constant mass flow rate of w2.
Make a summary table of the three transfer functions written in standard form and their keyparameters (gains, time constants) in terms of the physical system parameters (A1, A2, , A, R…). Checkif/how…
Chapter 8 Solutions
AUTOMOTIVE TECHNOLOGY TECH MANUAL
Ch. 8 - Describe the information found in a VIN.Ch. 8 - List five different types of oil rating systems.Ch. 8 - Why should you wipe off the outside of a zerk...Ch. 8 - List at least five things that should be checked...Ch. 8 - How does a technician determine the proper...Ch. 8 - Explain the purpose of a repair order and describe...Ch. 8 - True or False? Legally, an RO protects the shop...Ch. 8 - True or False? If brake fluid is discolored, the...Ch. 8 - Prob. 3TFCh. 8 - True or False? An oil with the classification of...
Ch. 8 - Technician A stresses the need to follow the...Ch. 8 - Prob. 2MCCh. 8 - Prob. 3MCCh. 8 - While examining the color of an engines coolant:...Ch. 8 - While checking the condition of a vehicles ATF:...Ch. 8 - Technician A says that if a drive belt does not...Ch. 8 - Technician A says that to accurately check brake...Ch. 8 - Which of the following statements about drive belt...Ch. 8 - Which of the following statements about an oils...Ch. 8 - While discussing a vehicles maintenance program:...Ch. 8 - Which of the following is not a true statement...Ch. 8 - While discussing the effects of overtorquing wheel...Ch. 8 - The most commonly used brake fluid in domestic...Ch. 8 - Which of the following greases are best suited for...Ch. 8 - While discussing the special preventive...
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- A thick nickel wall is exposed to pure 5 bar H2(g) at 85 oC on one side of its surface (13 pts).(a) Assuming thermodynamic gas-solid equilibrium, calculate the H2 concentration at the surface ofthe nickel wall. (b) Assuming that the concentration of H2 at the surface is constant, determine the concentration ofH2 at the penetration depth in percentage of its concentration at the wall surfacearrow_forwardCan you provide me the answer of these pleasearrow_forwardA constant-volume process involving 2.0 moles of diatomic ideal gas, for which cV = (5/2)R, is at an initial state of 111 kPa and 277 K and is then heated reversibly to 356 K. Calculate the P2 (kPa), dU (kJ), heat transfer q (kJ mol–1), and w (kJ mol–1).arrow_forward
- Problem 1 Marks: 60 Section: 1a): 30 marks, Section 1b):30 marks A laboratory scale fluidized bed is considered for studying a catalytic ozone decomposition. a) It is requested to derive model equations under the following assumptions: ■ Operation of the catalytic reactor under steady state conditions, There is no influence of thermal ozone decomposition reactions. The fluidized bed includes bubbles and dense phase. □ The dense phase can be simulated using a CSTR The fluidized bed bubbles contain catalyst particles and can be simulated as a DSTR (batch). □ The jets contain particles and can be simulated with a PFR. The influence of the freeboard has to be considered using a PFR model. The available catalytic reaction rate model is r (moles/gcat.s)= -k CA b) Same than on a) under unsteady state conditions, using an absorbable and reactive tracer. Note: A step-by step derivation of the model equations is required here. A quick answer will not do. Problem 2 Marks: 40 Section 2a: 30 marks,…arrow_forwardPenicillin process Penicillium chrysogenum is used to produce penicillin in a 90,000-litre fermenter. The volumetric rate of oxygen uptake by the cells ranges from 0.45 to 0.85 mmol l^−1 min^−1 depending on time during the culture. Power input by stirring is 2.9 W l^−1. Estimate the cooling requirements.arrow_forwardProduction of bakers’ yeast Bakers’ yeast is produced in a 50,000-litre fermenter under aerobic conditions. The carbon substrate is sucrose; ammonia is provided as the nitrogen source. The average biomass composition is CH_1.83O_0.55N_0.17 with 5% ash. Under conditions supporting efficient growth, biomass is the only major product and the biomass yield from sucrose is 0.5 g g^−1. If the specific growth rate is 0.45 h^−1, estimate the rate of heat removal required to maintain constant temperature in the fermenter when the yeast concentration is 10 g l^−1.arrow_forward
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