Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 36, Problem 6MC
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.
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Students have asked these similar questions
Which of the following gases is the least dense?
A.oxygen
B.helium
C.carbon dioxide
D.argon
a) Explain the two main dangers from oxygen cylinders and what causes them.b) Why is cleanliness very important when dealing with compressed oxygen?
What is required for a combustile mixture
A. OXYGEN
B. FUEL
C. WATER
PUT CHECK MARK OR CROSS MARK TO THE LETTER
Chapter 36 Solutions
Automotive Technology
Ch. 36 - Why are carbon dioxide emissions a concern?Ch. 36 - List five things a driver of a BEV can do to...Ch. 36 - What makes up the propulsion system in a BEV?Ch. 36 - What basic factors affect the required time to...Ch. 36 - There are two basic ways a BEV is connected to an...Ch. 36 - Why is water control so important to the...Ch. 36 - Explain what the ratings of kilowatts and kilowatt...Ch. 36 - True or False? All fuel cell vehicles have...Ch. 36 - True or False? A PEM fuel cell needs to operate at...Ch. 36 - Which of the statements about hydrogen is true? a....
Ch. 36 - Which of the following CANNOT be used as a source...Ch. 36 - Which of the following statements about fuel cells...Ch. 36 - What is the basic fuel for a fuel cell? a....Ch. 36 - The component that changes the molecular structure...Ch. 36 - Which of the following statements about hydrogen...Ch. 36 - Technician A says power is the ability to do work....Ch. 36 - While discussing inductive charging: Technician A...Ch. 36 - Technician A says some BEVs use liquid to heat the...Ch. 36 - While discussing charger connections: Technician A...Ch. 36 - Technician A says that a fuel cell produces...Ch. 36 - While diagnosing the control system of a BEV:...Ch. 36 - Prob. 7ASRQCh. 36 - Technician A says that all FCEVs have regenerative...Ch. 36 - Technician A says that gasoline can be used as a...Ch. 36 - While discussing hydrogen: Technician A says that...
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- Incomplete combustion is permitted because a significant amount of heat is still generated. true of falsearrow_forwardOctane number is the measure of a fuel's ability to resist knocking. The higher the octane number, the more compression the fuel can withstand before detonating. True Falsearrow_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
- Which of the following is not recommended for use when trying to extinguish flammable liquid fires? Foam Carbon dioxide Water Dry chemicalarrow_forwardTrue or False: Carbon monoxide is produced by mixing vapors from nitrogen dioxide and sulfur dioxide.arrow_forwardWhile discussing relative humidity: Technician A says that the amount of moisture that air can hold is directly related to the temperature of the air. Technician B says that the colder the air is, the more moisture it can hold. Who is correct?arrow_forward
- Which of the following statements about carbondioxide is not true?a. CO2 levels are highest when the air-fuel ratiois slightly leaner than stoichiometric.b. The production of CO2 is directly related tothe amount of fuel consumed; therefore,more fuel-efficient engines produce less CO2c. To reduce CO2 levels in the exhaust, engineers are working hard to decrease fuel consumption to keep CO2low.d. The concern for CO2 emissions is one of theprimary reasons for the delayed use of alternative fuels for automobiles.arrow_forwardWhich of the following statement about carbon dioxide is not true? a. CO2 , levels are highest when the air fuel ratio is slightly leaner than stoichiometric. b. The production CO2 , is directly related to the amount of fuel consumed; therfore, more fuel efficient engines produce less CO2 c. To reduce CO2 , levels in the exhaust, engineers are working hard to decrease fuel consumption to keep CO2 low. d. The concern for CO2 emissions is on of the primary reasons for the delayed use of alternative fuels for automobiles.arrow_forwardWhich of the following statements about fuel cells is NOT true?a. A single fuel cell produces very low voltage, normally less than one volt.b. A fuel cell produces electricity through an electro-chemical reaction that combines hydrogen and oxygen to form water.c. A fuel cell is composed of two electrodes coated with a catalyst and separated from each other by an electrolyte and from the case by separators.d. In a fuel cell, catalysts are used to ignite the hydrogen; this causes a release of electrons or electrical energy.arrow_forward
- True or False: City water does not contain air.arrow_forwardvapor lock is caused by fuel that does not vaporize easily in hot weather. T Farrow_forwardPart 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. Submit Request Answerarrow_forward
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