TEXAS CVO EXAM
What is required on the rear of every pole trailer? - ANSWERS-1 white license
plate lamp
2 red tail-lamps each side (lamps and reflectors can be incorporated)
2 red stop-lamps each side
turn signal (amber to red)
What vehicles are allowed to use flashing lights? - ANSWERS-emergency
vehicles, snow removal equipment, school buses when stopping, tow trucks
under direction of law enforcement
What is required on the highway at night on all animal drawn vehicles,
implements of husbandry, road machinery, road rollers, and farm tractors? -
ANSWERS-A white lamp on the front visible for 1000' and two red lights on
the rear visible for 1000', or one red light to rear visible for 1000' and two red
reflectors visible for 600'
What trailers are exempt from brake requirements? - ANSWERS-- Trailers,
semi-trailers, and pole trailers with a gross weight of <4500 lbs
- Trailers, semi-trailers, and pole trailers with a gross weight of 4500
lbs<trailer<15000 lbs and operated at <30mph do not need brakes.
What trailers require brakes? - ANSWERS-4500 lbs<trailer<15000lbs and
operated at >30mph must have brakes acting on both wheels of the rear axle.
How many control devices must be used to operate all brakes on trailers? -
ANSWERS-One. (this doesn't prevent the use of additional control devices such
as surge or inertia brake systems on trailers with a gross weight of <15000 lbs
, What are the braking performance requirements for trailers? - ANSWERS-1. If
the trailer and combination is <3000lbs be able to stop within 40' at 20mph.
2. if >3000 lbs stop within 50' at 20mph.
What are the turn signal indicator requirements? - ANSWERS-1. All vehicles,
trailers (except motorcyles and certain trailers) require electric turn signals.
2. Not required for passenger cars or trucks <80" in width and made before
1960 (unless the body or load extends >24" to the side or >14" to the rear from
the center of the top of the steering wheel
What are the mud flap requirements? - ANSWERS-1. All trucks and trailers
with four or more tires on the rear axle (reach to within 8" of the surface)
2. Does not apply to pole trailers or to a truck-tractor being operated alone and
without being in combination with a semitrailer.
What are the lighting requirements for farm tractors and implements of
husbandry? - ANSWERS-1. If after 1972 - 2 head lamps, one taillight to the
left, two red reflectors, flashers that are white/amber in front and red/amber in
back. On when on highway.
What is a slow-moving vehicle emblem? - ANSWERS-Operate at <25mph.
Exceptions - construction vehicles in a construction area, implement being
towed by a vehicle bearing an emblem
What is the max height for a vehicle? - ANSWERS-14'
What is the max width? - ANSWERS-102"
What is required on the rear of every pole trailer? - ANSWERS-1 white license
plate lamp
2 red tail-lamps each side (lamps and reflectors can be incorporated)
2 red stop-lamps each side
turn signal (amber to red)
What vehicles are allowed to use flashing lights? - ANSWERS-emergency
vehicles, snow removal equipment, school buses when stopping, tow trucks
under direction of law enforcement
What is required on the highway at night on all animal drawn vehicles,
implements of husbandry, road machinery, road rollers, and farm tractors? -
ANSWERS-A white lamp on the front visible for 1000' and two red lights on
the rear visible for 1000', or one red light to rear visible for 1000' and two red
reflectors visible for 600'
What trailers are exempt from brake requirements? - ANSWERS-- Trailers,
semi-trailers, and pole trailers with a gross weight of <4500 lbs
- Trailers, semi-trailers, and pole trailers with a gross weight of 4500
lbs<trailer<15000 lbs and operated at <30mph do not need brakes.
What trailers require brakes? - ANSWERS-4500 lbs<trailer<15000lbs and
operated at >30mph must have brakes acting on both wheels of the rear axle.
How many control devices must be used to operate all brakes on trailers? -
ANSWERS-One. (this doesn't prevent the use of additional control devices such
as surge or inertia brake systems on trailers with a gross weight of <15000 lbs
, What are the braking performance requirements for trailers? - ANSWERS-1. If
the trailer and combination is <3000lbs be able to stop within 40' at 20mph.
2. if >3000 lbs stop within 50' at 20mph.
What are the turn signal indicator requirements? - ANSWERS-1. All vehicles,
trailers (except motorcyles and certain trailers) require electric turn signals.
2. Not required for passenger cars or trucks <80" in width and made before
1960 (unless the body or load extends >24" to the side or >14" to the rear from
the center of the top of the steering wheel
What are the mud flap requirements? - ANSWERS-1. All trucks and trailers
with four or more tires on the rear axle (reach to within 8" of the surface)
2. Does not apply to pole trailers or to a truck-tractor being operated alone and
without being in combination with a semitrailer.
What are the lighting requirements for farm tractors and implements of
husbandry? - ANSWERS-1. If after 1972 - 2 head lamps, one taillight to the
left, two red reflectors, flashers that are white/amber in front and red/amber in
back. On when on highway.
What is a slow-moving vehicle emblem? - ANSWERS-Operate at <25mph.
Exceptions - construction vehicles in a construction area, implement being
towed by a vehicle bearing an emblem
What is the max height for a vehicle? - ANSWERS-14'
What is the max width? - ANSWERS-102"
