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 7, Problem 12RQ
Gasoline is
- highly volatile
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Part A
Some tire stores claim that filling your car tires with pure, dry nitrogen is much better than using plain air. They make the following claims.
1. The pressure inside N₂-filled tires does not rise or fall with temperature changes.
2. Nitrogen leaks out of tires much more slowly than air because the N₂ molecules are bigger.
3. Nitrogen is not very reactive, and moisture and O₂ in air cause corrosion that shortens tire life by 25-30%
Evaluate the claim as a whole.
Check all that apply.
Claim passes falsifiability test.
Claim passes logic test.
Claim passes replicability test.
Claim passes sufficiency test
Claim fails all four FLaReS tests.
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The octane number of a fuel is the percentage of octane in that fuel.
True
False
Select all correct statements below to regarding the specific heats._______
A.
cp and cv are constant values
B.
dh = cp dT and du = cv dT are true for ideal gases
C.
cp and cv are functions of temperature only for ideal gases
D.
cp = cv+R is true for all gases
Chapter 7 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 7 - What is the correct way to dispose of used oil...Ch. 7 - Where in the shop should a list of emergency...Ch. 7 - Which of the following offer(s) the least...Ch. 7 - Which of the following statements about latex and...Ch. 7 - Describe the correct process for lifting a heavy...Ch. 7 - What are bloodborne pathogens and why should...Ch. 7 - List at least five things you should remember when...Ch. 7 - List at least five precautions that must be...Ch. 7 - How should a class B fire be extinguished?Ch. 7 - Where can complete EPA lists of hazardous wastes...
Ch. 7 - Which of the following statements about safety...Ch. 7 - Gasoline is highly volatile highly flammable...Ch. 7 - Technician A says that it is recommended that you...Ch. 7 - Technician A says that used engine coolant should...Ch. 7 - There are many ways to clean parts while they are...Ch. 7 - Federal Right-To-Know Laws concern. auto emission...Ch. 7 - Which of the following is/are important when work...Ch. 7 - Technician A says that the volatility of a...Ch. 7 - Which of the following is not recommended for use...Ch. 7 - List at least five precautions that must be...Ch. 7 - What is the correct procedure for using a fire...Ch. 7 - Technician A ties his long hair behind his head...Ch. 7 - Technician A uses compressed air to blow dirt from...Ch. 7 - Heavy protective gloves should be worn when....Ch. 7 - Proper disposal of oil filters includes. recycling...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements about hydrogen is not true? a. Hydrogen displaces air, so any release in an enclosed space could cause asphyxiation. b. Hydrogen must be stored as a compressed gas. c. Hydrogen is nontoxic. d. Hydrogen is highly flammable and there is risk for an explosion.arrow_forwardWhile discussing chemicals that are currently added to refined gasoline in order to boost its octane: Technician A says methylcyclopentienyl manganese tricarbonyl (MMT) is normally added to gasoline. Technician B says ethanol can be added to boost the octane rating of gasoline. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardTechnician A says that the volatility of a substance is a statement of how easily the substance vaporizes or explodes. Technician B says that the flammability of a substance is a statement of how well the substance supports combustion. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
- While discussing friction in matter: Technician A says that friction creates heat. Technician B says that friction only occurs with solids and is not present with liquids and gases. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardQuestion 40 Which of the following statements are true? Bulk modulus can be negative. When AP increases for a fluid, AV also increases. A liquid is often considered to be "incompressible." A more compressible fluid will have a higher bulk modulus. None of the other statements are true.arrow_forwardPetroleum found in earth under the rocks Select one: True Falsearrow_forward
- Earrow_forwardAs the temperature of the hydrogen gas decreases _______________ of same gas decreases. Viscosity Capillarity Specific volume Surface tensionarrow_forwardFish in lakes beside power plants, which use lake water for cooling, are subject to the danger of suffocation as a consequence of "thermal pollution", because _____________________. a. dissolved oxygen decreases as temperature of the lake waters increase b. dissolved oxygen increases in the lake waters c. gas solubility increases as temperature goes up d. the power plant noise disturbs the fisharrow_forward
- What is the testing procedure for diesel systems as outlined by the national environment protection (diesel vehicle emissions) measure?arrow_forwardWhich of the following statements best describe for a typical diatomic molecule of an ideal gas eg. N2 at room temperature (300k)a. the spacing between translational levels is less than KbTb. the spacing between rotational levels is less than KbTc. the spacing between vocational levels is less than KbTd. the spacing between the ground and first excited electronic states is less than kbT.e. all of the abovef. none of the aboveg. the first and third answerh. the first and second answerarrow_forwardThe evaporative cooling follows a line of constant dry bulb temperature. True Falsearrow_forward
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