Question

hands free headsets *

• increase driver distraction
• reduce but does not eliminate cell phone distractions
• are of no help with the distractions created by cell phones
• completely remove the driving distractions created by cell phones

the catalytic converter *

• pumps fuel to the engine
• draws fuel from the fuel tank
• reduces pollution from the exhaust gas
• cools exhaust gases

if the brake warning light comes on as you are driving you should *

• slow down and drive the vehicle home
• ignore it the first time it happens
• have the brake system inspected immediately and repair as needed
• shut off the warning light

Explanation:

Analyze hands-free headsets and driver distraction

Using the Driver Distractions knowledge point, we evaluate how hands-free headsets affect a driver's attention. While hands-free devices free up the driver's hands, they do not eliminate the cognitive distraction of holding a conversation. Research shows that hands-free headsets reduce some physical handling but do not eliminate the mental distractions associated with cell phone use. Therefore, they reduce but do not eliminate cell phone distractions.

Analyze the function of a catalytic converter

We evaluate the primary purpose of a catalytic converter in a motor vehicle. A catalytic converter is an emissions control device integrated into the vehicle's exhaust system. It facilitates chemical reactions that convert toxic gases and pollutants in exhaust gas (such as carbon monoxide, hydrocarbons, and nitrogen oxides) into less harmful substances (such as carbon dioxide, nitrogen, and water vapor). Thus, its function is to reduce pollution from the exhaust gas.

Analyze the response to a brake warning light

Using the Vehicle Warning Lights knowledge point, we determine the correct action when the brake warning light illuminates while driving. The braking system is critical for vehicle safety. If the brake warning light comes on, it indicates a potentially serious malfunction, such as low brake fluid or a loss of hydraulic pressure. The safest and most appropriate action is to have the brake system inspected immediately and repaired as needed to prevent complete brake failure.

Answer:

Question 1

• (A) increase driver distraction
• (B) reduce but does not eliminate cell phone distractions (Correct answer)
• (C) are of no help with the distractions created by cell phones
• (D) completely remove the driving distractions created by cell phones

Question 2

• (A) pumps fuel to the engine
• (B) draws fuel from the fuel tank
• (C) reduces pollution from the exhaust gas (Correct answer)
• (D) cools exhaust gases

Question 3

• (A) slow down and drive the vehicle home
• (B) ignore it the first time it happens
• (C) have the brake system inspected immediately and repair as needed (Correct answer)
• (D) shut off the warning light