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Cdl Texas rules
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  • 問題数 75 • 5/14/2024

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    問題一覧

  • 1

    Amber

  • 2

    When backing a large truck you should:

    Have someone guide you

  • 3

    Every trailer must have how many reflectors on the rear:

    Two

  • 4

    When turning right with a long vehicle or combination truck-trailer, if it is impossible to stay in the proper lane, you should:

    Approach the corner about 4 feet from the curb or right edge of the roadway, then if necessary complete turn in center of street entered.

  • 5

    Motor vehicles must be equipped with turn indicator lamps of devices if:

    the body or load extends 24 inches or more to the left of the corner.

  • 6

    The greatest length allowed by state law for any combination truck or trailer is:

    65 feet

  • 7

    The youngest age for licensing commercial operators is:

    18 years.

  • 8

    All school buses, buses taxis, and other vehicle hauling passengers for hire or lease must carry a chemical type fire extinguisher of at least:

    one quart capacity

  • 9

    Every bus or truck must be equipped on the rear with:

    Two stop lights.

  • 10

    The number of the trailers that may be pulled by one vehicle on the highway is determined by:

    Length limits

  • 11

    Which of the following vehicles must have mud flaps when operated on public roads:

    All vehicles with four or more tires on the rear axle except single truck tractors and pole trailers

  • 12

    The top speed limit for heavy trucks on the open highway in the daytime is:

    60 mph

  • 13

    Clearance lights on the front of a vehicle must be

    Amber

  • 14

    When a truck breaks down on a highway in the daytime the driver should set out

    Red triangles

  • 15

    The greatest width allowed by state law for a truck including the load is

    102 inches.(8 1/2 feet)

  • 16

    Which of the following vehicle are required by state law to stop at railroad grade crossings, outside city limits where no traffic control devices is in operation?

    Buses carrying passengers for hire

  • 17

    Signal turn indicators are required on motor vehicles when the body or load of the vehicle extends to the left of the center of the steering wheel:

    24 inches

  • 18

    The length requirements for state law for vehicles or combinations of vehicles, including extensions over front and rear, do not apply:

    Within city limits

  • 19

    The state law requires under normal atmospheric conditions, that clearance lights be visible for:

    900 feet

  • 20

    When one vehicle is towing another, the distance between the two must not be greater than

    15 feet

  • 21

    The state law requires animal drawn vehicles or any farm tractor when operated on a highway at night to

    Have a white light on the front and two red lights on the rear

  • 22

    To find out the weight limit for your particular vehicle you should consult a

    License and weight patrolman

  • 23

    A city or county employee driving a city or county owned commercial vehicle while on official duty is required to have

    A commercial operators license

  • 24

    Clearance lights are required by state law for trucks or buses if the width is

    80 inches or more

  • 25

    When a load extends 4 feet or more over the rear of a vehicle, what color flag must be attached to the extreme end of the extension if driving in the daytime

    Red

  • 26

    The lease agreement, when a commercial vehicle has been leased to another for operation must be filed with

    The department of public safety

  • 27

    School bus drivers must be at least

    18 years

  • 28

    When is it necessary to put flares around the truck, one must be placed beside the truck, the other two must be placed

    100 feet to the front and rear of the vehicle

  • 29

    When towing another vehicle with a chain or cable what color flag must be attached to the chain

    White

  • 30

    Unless exempt by law, all rented or leased commercial vehicles must

    Have a sign on each side showing for whom the vehicle is being operated

  • 31

    The top speed limit for a pick-up truck on u.s. or state highway in the daytime is

    70 mph

  • 32

    When going downhill with a heavy vehicle, it is unlawful to

    Coast

  • 33

    The first thing the driver of a disabled truck or bus should do is

    set out flares, fuses or reflectors

  • 34

    Trailers and semi-trailers must have brakes that can be applied by the driver when the gross weight reaches

    4,500 pounds

  • 35

    The purpose of requiring registration papers on trucks at all times is to show

    Weight of truck empty and how much it is registered to haul

  • 36

    Which of the following vehicles is required by state law to carry a chemical type fire extinguisher

    Taxicab

  • 37

    It is unlawful to operate any motor vehicle on a highway with

    Flanges or lugs on the wheels

  • 38

    It is unlawful for the operator of which of the following motor vehicles to change gears while actually crossing the tracks of an uncontrolled rallroad grade crossing

    motor bus

  • 39

    Clearance lamps moaunted on the rear or on the side near the rear of a vehicle must be what color

    Red

  • 40

    The greatest length allowed by state law for any combination truck and trailer is

    65 feet

  • 41

    The top speed limit for a heavy trucks on the open highway at night is

    55 mph

  • 42

    The greatest height allowed by state law for a vehicle including its load is

    14 feet

  • 43

    Before going down a steep grade with a heavy vehicle you should

    Shift to a lower gear

  • 44

    The first thing the driver of a disabled truck or bus should do is

    set out flares, fuses or reflectors

  • 45

    Signal turn indicators are required on motor vehicles when the body or load of the vehicle extends to the left of the center of the steering wheel

    24 inches

  • 46

    When one Truck is following another truck or vehicle it must keep far enough back for

    one vehicle to enter safety between them

  • 47

    When one vehicle is towing another the distance between the two must not be greater than

    15 feet

  • 48

    The greatest weight allowed by state law for any vehicle carrying a load is:

    80,000 pounds

  • 49

    To legally drive a taxicab for the purpose of hauling passengers for hire or fare, the driver must hold a valid Texas chauffers license and be at least

    18 years

  • 50

    Commercial operators have

    more responsibility than the ordinary driver

  • 51

    The top speed limit for motor buses on U.S. or state highways at night is

    65 mph

  • 52

    Clearance lights are required by state law for trucks or buses, the width is

    80 inches

  • 53

    Hazard warning signal lights must be immediately activated by any truck, bus, truck-trailer, trailer, semi-trailer, or pole trailer (outside city limits) if it is parked upon a roadway or adjacent shoulder is such vehicle is. Inches more in width or_________ feet or more in overall length

    80;30

  • 54

    Which of the following vehicles are not required to have mud-flaps

    Pole trailers

  • 55

    The greatest length allowed by the state law for a single vehicle is

    45 feet

  • 56

    Drivers of heavy trucks must have in their possession or on the trucks

    Commercial or chauffers license and registration papers for the truck

  • 57

    The numbers of trailers that may ordinarily be pulled by one vehicle on the open highway is determined by:

    Length limits

  • 58

    It is unlawful for the drivers of which of the following motor vehicles to change gears while actually crossing the tracks of an uncontrolled railroad grade crossing outside a business or residential district

    Motor bus

  • 59

    When mud flaps are required on trucks or trailers. They must reach how close to the surface

    8 inches

  • 60

    The top speed for heavy trucks on the open highway in the daytime is

    60 mph

  • 61

    Unless by special permission no vehicle may carry a load extending more than

    3 feet beyond the front

  • 62

    Unless by special permission no vehicle may carry a load extending more than

    4 feet beyond the rear

  • 63

    Vehicles and trailers with metal tires must obtain a special permit if they weight

    5,000 pounds

  • 64

    When transporting loose materials, the top of the load must be covered securely to prevent escape of materials by

    Canvas or tarpaulin

  • 65

    When operated in a truck tractor and semi-trailers combination may not exceed

    59 feet

  • 66

    This emblem is now a requirement for those slow- moving vehicles designed to operate at a maximum speed of

    25 mph or less

  • 67

    In addition to vehicular hazard warning lights, every farm tractor and self-propelled unit of farm equipment or implement manufactured or assembled after January 1, 1972 shall be equipped with

    Two head lamps, one tail-light and two red reflectors

  • 68

    You may be required to unload to the limit required by the law if the gross weight of your vehicle is found to exceed the maximum gross weight allowed by law and a tolerance of

    5%

  • 69

    Trucks manufactured or assembled prior to made year 1960 are required to have at least

    one tail-light

  • 70

    Every motor vehicle, trailer, semi-trailer, poler trailer and combination of such vehicles equipped with brakes shall have the braking system so arranged that brakes are oppressed by

    one control device

  • 71

    Surge or intra brake system may be used on trailers and semi-trailers with a gross weight of

    15,000 pounds or less

  • 72

    Generally if the trailer and the combination is 3,000 pounds or less, the combination must be able to stop within____________ feet when traveling 20 mph:

    40

  • 73

    On vehicles requiring reflectors, these reflectors must be mounted not less than 24 inches or more than

    60 inches in height above the ground

  • 74

    A vehicle in which explosives are hauled meets a requirement of state law if

    A red flag 12 inches square is on the rear

  • 75

    The heigh from the ground for mounted reflectors must be at least

    24 inches