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California Driver's License Theory and Regulations Quiz

#1

What does a solid yellow line on the road indicate?

No passing allowed
Explanation

Indicates no passing allowed.

#2

When approaching a school bus with flashing red lights, what must drivers do?

Stop in both directions until the lights stop flashing
Explanation

Stop in both directions until lights stop.

#3

What is the penalty for a first-time conviction of driving under the influence (DUI) in California?

License suspension for 1 year
Explanation

1 year license suspension for first DUI.

#4

In California, when must you use snow chains on your tires?

When driving in mountainous areas with snow-covered roads
Explanation

Use chains in mountainous areas with snow-covered roads.

#5

What is the maximum speed limit on most California highways unless otherwise posted?

70 mph
Explanation

Maximum speed is 70 mph on most California highways.

#6

What is the legal blood alcohol concentration (BAC) limit for drivers aged 21 and over in California?

0.08%
Explanation

Legal limit is 0.08% BAC.

#7

When should you use your headlights according to California law?

During rain, snow, fog, or low visibility conditions
Explanation

Use during adverse weather or low visibility.

#8

What is the 'Move Over' law in California?

A law requiring drivers to change lanes when approaching an emergency or service vehicle with flashing lights
Explanation

Change lanes for emergency vehicles with flashing lights.

#9

In California, what is the speed limit in business or residential districts?

25 mph
Explanation

Speed limit is 25 mph in business/residential areas.

#10

When approaching a railroad crossing with flashing red lights, what should you do?

Stop and wait until the lights stop flashing
Explanation

Stop and wait until lights stop flashing.

#11

What is the purpose of a diamond-shaped yellow sign?

Indicates a warning or caution
Explanation

Indicates warning or caution.

#12

What is the 'Basic Speed Law' in California?

Drive at a speed that is reasonable and prudent
Explanation

Drive at a reasonable and prudent speed.

#13

In California, when can you make a legal U-turn?

On a one-way street when a green arrow permits it
Explanation

Legal on one-way street with green arrow.

#14

What is the purpose of a diamond-shaped lane marking?

Reserved for high-occupancy vehicles (HOV)
Explanation

Reserved for HOV vehicles.

#15

When can you pass a vehicle on the right in California?

When the vehicle is turning left and there is an available lane
Explanation

Pass on right when vehicle is turning left and lane available.

#16

In California, what is the minimum age to obtain a learner's permit?

15 1/2 years old
Explanation

Minimum age is 15 1/2 for learner's permit.

#17

What is the legal speed limit in California school zones when children are present?

15 mph
Explanation

Speed limit is 15 mph in school zones when children present.

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