Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 10, Problem 4RQ
True or False? The first step in removing an engine is usually the removal of the intake and exhaust manifolds.
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The particulate emissions were measured from a factory stack. The stack was divided into
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number
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2
3
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1.0
60
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Particulate concentration
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450
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2) Ammonia (NH3) is an important base, particularly in wastewaters. Consider a solution that
contains a total of 10-3 M of ammonia in water.
NH4+ = NH3 + H+
KA=10-9.3
a) Use the equilibrium expression and concept of mass balance to write an expression for
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b) Prepare a log C-pH diagram for the solution described above. Label each line on your
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c) Use your diagram to find the equilibrium pH of the solution. Use a circle or “X” to mark
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d) Now consider a new solution made by adding 10-3 M of NH4Cl to water. Write the
charge balance or proton condition for this solution. Use your diagram to determine the
equilibrium pH of this solution.
e) Suppose it is winter and your water…
Methylamine is used in the manufacturing of several various pharmaceutical products. Atone facility, there is a 2000 lbm tank of methylamine. If the entire tank is releasedcontinuously during a 20-minute time period, determine the concentration in ppm at adistance 1 mile directly downwind. Does this exceed published exposure limits formethylamine? Assume the release is at ground level, and it is an overcast night with a 5mph wind.
Chapter 10 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 10 - WHat should be worn when working with any type of...Ch. 10 - Prob. 2RQCh. 10 - What is the best way to lift a vehicle when...Ch. 10 - True or False? The first step in removing an...Ch. 10 - Prob. 5RQCh. 10 - The buildup of minerals and deposits inside the...Ch. 10 - Hydrocarbon solvents are. flammable toxic both a...Ch. 10 - Prob. 8RQCh. 10 - Which cleaning method uses high-frequency sound...Ch. 10 - Parts must be when they go into an abrasive blast...
Ch. 10 - Prob. 11RQCh. 10 - Which of the following is not considered part of...Ch. 10 - Why should a memory saver be installed before dis...Ch. 10 - Which of the following statements is not true...Ch. 10 - Which of the following is not a common way to...Ch. 10 - While working on an engine with an excessive...Ch. 10 - While discussing the common causes for cracks...Ch. 10 - Technician A uses a crane to remove an engine from...Ch. 10 - Prob. 4ASRQCh. 10 - While discussing abrasive cleaners: Technician A...Ch. 10 - Technician A labels or marks all electrical wires...Ch. 10 - While discussing cleaning engine parts: Technician...Ch. 10 - While loosening the axle shaft hub nuts on a FWD...Ch. 10 - While preparing to remove an engine: Technician A...Ch. 10 - After removing the vehicles hood in preparation...
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- Emergency response for the rupture of an ammonia pipeline is being planned. Themaximum estimated flow rate from the rupture is 20 kg/s. Local authorities havedetermined that evacuations are necessary if the concentration exceeds the ERPG-2 level.Assume a temperature of 20˚C, wind speed of 3 m/s, atmospheric pressure of 1 atm, 70%cloud cover and rural conditions. State any other assumptions.a. How far directly downwind needs to be evacuated?b. Using a spreadsheet (such as excel), draw a plot of the isopleth at thisconcentration. You should have at least 8 different distances downwind markedon your plot.arrow_forwardA reactor in a pesticide plant contains 8000 lbm of a liquid mixture of 50% by weightmethyl isocyanate (MIC). The liquid is near its boiling point. A study of various releasescenarios indicates that a rupture of the reactor will spill the liquid to a boiling pool onthe ground. The boiling rate of the MIC has been estimated to be 50 lb m/min. Evacuationof the population must occur in areas where the vapor concentration exceeds ERPG-3levels. If the wind speed is 10 mph on a clear winter night, estimate the distancedownwind that must be evacuated.arrow_forwardA burning dump emits an estimated 1.5 kg/min of nitrogen dioxide (NO2 ). On a partlycloudy morning with a 2.5 m/s wind and temperature of 18°C, what is the concentrationof NO2 at a distance of 3.0 km directly downwind of the dump? Does this exceed theshort-term exposure limit for NO2 ? State your assumptions.arrow_forward
- For each set of measurements below, calculate the Grubbs statistic, G, look up the appropriate critical value of G from Table 4.6, and determine whether the Grubbs test supports discarding the first value in the list at the 95% level of confidence. a) 106.0, 165.0, 167.5, 170.5, 163.5, 170.7 (Geale -2.028; Gerit 1.822; yes, the Grubbs test supports discarding 106.0) b) 214.8, 263.0, 229.9, 236.9, 221.8, 230.8, 241.1 c) 357.0, 309.3, 304.9, 314.8, 305.8, 295.3, 284.7, 299.5 TABLE 4-6 Critical values of G for rejection of outlier Number of observations otsulsve os Tenos nagsibarito G to buboxy (95% confidence) 456 1.463 1.672 1.822 7 1.938 8 upa 2.032 9 2.110 10 2.176 - 1 12 15 20 11 2.234 2.285 2.409 2.557arrow_forward#1 A irreversible isothermal gas-phase isomerization reaction is given as: AB. This reaction is conducted in a 400L batch reactor and 100 mol of A (NAD = 100 mol) is charged into this reactor. The rate of reaction is determined as a function of the conversion of reactant A and the results are given below. The temperature was constant at 500K and the total pressure was constant at 830 kPa. The entering number of moles of species A is 100 mol. Calculate the time necessary to achieve 80% conversion. 0 0.1 0.2 0.4 -TA (mol/m³.s) 0.45 0.37 0.3 0.195 0.6 0.113 0.7 0.079 0.8 0.05arrow_forward#3 A irreversible isothermal liquid-phase reaction is given as: A → B is conducted in continuous flow systems. The rate of reaction is determined as a function of the conversion of reactant A and the results are given below. The temperature was constant at 500K. The entering molar flow rate of A is 0.4 mol/min. a) If this reaction is conducted in two CSTRS in series. Calculate the required reactor volume of each CSTRS if conversion X₁ = 0.4 and conversion X2 = 0.8. b) If this reaction is conducted in two PFRS in series. Calculate the required reactor volume of each PFRS if conversion X₁ = 0.4 and conversion X2 = 0.8. c) If this reaction is conducted in a PFR followed by a CSTR. Calculate the required reactor volume of PFR if conversion X₁ = 0.4 and of CSTR if conversion X2 = 0.8. X -A (mol/L.min) 0 0.1 0.2 0.4 0.6 0.7 0.8 0.45 0.37 0.3 0.195 0.113 0.079 0.05arrow_forward
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