The manual's general rule for warning signs tells drivers to:
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A.
Obey them regardless of their shape or color. Correct
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B.
Obey them only when a hazard is visible from the sign.
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C.
Obey only the diamond-shaped yellow ones.
The answer is "Obey them regardless of their shape or color."
The Signs section commits to a single rule for warning signs: obey them regardless of their shape or color. The diamond-only answer trusts the habit of picturing every warning as a yellow diamond and forgets that the 5-sided school sign and the yellow round railroad sign are warnings too.
The traps in the wrong answers
B. Obey them only when a hazard is visible from the sign.
Treats the rule as conditional on visibility, but the manual states it as unconditional. This answer applies the driver's own judgment where the manual sets a flat rule, on the assumption that a sign only matters when the danger it names is in sight.
C. Obey only the diamond-shaped yellow ones.
Restricts the rule to yellow diamonds, but the Signs rule extends to all warning signs. This answer trusts the habit of picturing every warning as a yellow diamond and forgets the 5-sided school sign and the yellow round railroad sign are warnings too.
This question tests your knowledge of Warning Signs in California. Source: California Driver Manual, "Signs," p.35..
Related California questions
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