Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 12, Problem 12RQ
Many engines with WT have a phaser mounted to the end of one or more camshafts. Which of the following statements is not true?
- A phaser is used to alter valve timing.
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graphically +material balance
1000 Kg/hr on an acetone water mixture containing 10% of acetone is to be extracted with
trichloroethane. The recovered solvent to be used is free of acetone. If 95% recovery of acetone is desired, the
equilibrium relationship is given by kg acetone/kg trichloroethane 1.65 kg acetone/kg water.
Estimate the number of stages required if 1.5 times the minimum solvent is used when: -
a-
b-
Cross-current is to be extracted.
b- Counter-current is to be extracted.
use Graphically
1000 Kg/hr on an acetone water mixture containing 10% of acetone is to be extracted with
trichloroethane. The recovered solvent to be used is free of acetone. If 95% recovery of acetone is desired, the
equilibrium relationship is given by kg acetone/kg trichloroethane 1.65 kg acetone/kg water.
Estimate the number of stages required if 1.5 times the minimum solvent is used when: -
Cross-current is to be extracted.
a-
b-
b- Counter-current is to be extracted.
A solution of 5% acetaldehyde in toluene is to be extracted with water in five stage co-current operation.
If 25kg/100kg feed is used, what is the mass of acetaldehyde extracted and the final concentration?
The Equilibrium relation is given by: kg acetaldehyde /kg water = 2.2 kg acetaldehyde / kg toluene.
Chapter 12 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 12 - Explain staged and continuously variable value...Ch. 12 - Define valve margin.Ch. 12 - What usually causes warpage in an aluminum cylin...Ch. 12 - What are the two ways pushrods can be checked for...Ch. 12 - Which of the following is not true of knurling? It...Ch. 12 - True False? Fiats MultiAir system relies on...Ch. 12 - To allow the engine to run on the Atkinson cycle,...Ch. 12 - Prob. 8RQCh. 12 - To ensure proper seating of the valve, the valve...Ch. 12 - When checking valve fit, contact between the valve...
Ch. 12 - If the valve face and valve seat do not contact...Ch. 12 - Many engines with WT have a phaser mounted to the...Ch. 12 - Multiple valve engines tend to be more efficient...Ch. 12 - Which of the following is not a type of valve...Ch. 12 - Which of the following statements is not true?...Ch. 12 - While discussing the reasons for resurfacing a...Ch. 12 - While inspecting the timing gears of an engine:...Ch. 12 - Technician A says that positive valve stem seals...Ch. 12 - When fitting a freshly ground valve into a freshly...Ch. 12 - Technician A says off-square springs may cause...Ch. 12 - Technician A says it is not necessary to measure...Ch. 12 - Technician A uses a 30-degree stone for topping a...Ch. 12 - While discussing the Valvetronic system:...Ch. 12 - While checking a hydraulic phaser after the...Ch. 12 - While servicing a pair of aluminum cylinder heads:...
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