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 2RQ
To determine
Whether the statement “Transmission is attached while removing the engine in a front wheel drive vehicle”, is true or false.
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Air at T₁-24°C, p₁-1 bar, 50% relative humidity enters an insulated chamber operating at steady state with a mass flow rate of 3
kg/min and mixes with a saturated moist air stream entering at T₂-7°C, p2-1 bar. A single mixed stream exits at T3-17°C, p3-1 bar.
Neglect kinetic and potential energy effects
Step 1
Your answer is correct.
Determine mass flow rate of the moist air entering at state 2, in kg/min.
m2 = 2.1
Hint
kg/min
Using multiple attempts will impact your score.
5% score reduction after attempt 2
Step 2
Determine the relative humidity of the exiting stream.
Փ3 =
i
%
Attempts: 1 of 3 used
A reservoir at 300 ft elevation has a 6-in.-diameter discharge pipe located 50 ft below the surface. The pipe is 600 ft long and drops in elevation to 150 ft where the flow discharges to the atmosphere. The pipe is made of riveted steel with a roughness height of 0.005 ft.
Determine the flow rate without a head loss
Determine the flow rate with the pipe friction head loss.
(hints: Since the velocity is not known for part b and the Reynolds number and friction factor depend on velocity, you will need to iterate to find the solution. A good first guess is the velocity from part (a))
Air at T₁-24°C, p₁-1 bar, 50% relative humidity enters an insulated chamber operating at steady state with a mass flow rate of 3
kg/min and mixes with a saturated moist air stream entering at T₂-7°C, p2-1 bar. A single mixed stream exits at T3-17°C, p3-1 bar.
Neglect kinetic and potential energy effects
Step 1
Your answer is correct.
Determine mass flow rate of the moist air entering at state 2, in kg/min.
m2 = 2.1
Hint
kg/min
Using multiple attempts will impact your score.
5% score reduction after attempt 2
Step 2
Determine the relative humidity of the exiting stream.
Փ3 =
i
%
Attempts: 1 of 3 used
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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