Mozambique INATRO Professional Driving Licence Theory study materials
Mozambique INATRO Professional Driving Licence Theory study resources

Mozambique INATRO Professional Driving Licence Theory key terms

Mozambique INATRO Professional Driving Licence Theory · Get comfortable with the vocabulary.

Código da Estrada

The national road traffic law of Mozambique that sets the rules for vehicles, drivers, pedestrians and signs. It defines offences, penalties and the duties of every road user, including professional drivers.

Related: Contra-ordenação grave, Sinal de trânsito
Contra-ordenação grave

A serious traffic offence carrying heavier fines and possible licence suspension, such as speeding well over the limit or driving under the influence. It differs from light offences, which carry smaller penalties and no suspension.

Related: Código da Estrada, Taxa de álcool no sangue
Taxa de álcool no sangue

The concentration of alcohol in a driver's blood, measured in grams per litre. Mozambican law sets a maximum legal level, and exceeding it is an offence. Professional drivers are held to a stricter standard than private drivers.

Related: Contra-ordenação grave, Tempo de reação
Sinal de trânsito

Any sign, marking, light or gesture used to regulate, warn or guide road users. Signs are grouped by shape and colour, and drivers must obey them over conflicting general rules unless a police officer directs otherwise.

Related: Sinal de perigo, Sinal de proibição, Marca rodoviária
Sinal de perigo

A warning sign, usually triangular with a red border and white background, placed before a hazard such as a bend, junction or slippery road. It tells the driver to slow down and prepare for the danger ahead.

Related: Sinal de trânsito, Distância de travagem
Sinal de proibição

A circular sign, usually red-bordered, that forbids a specific action such as overtaking, parking or entering. It remains in force until cancelled by another sign or by the end of the restriction zone.

Related: Sinal de trânsito, Sinal de obrigação
Sinal de obrigação

A circular blue sign that orders a driver to take a specific action, such as turning in a given direction or keeping to a lane. Ignoring it is a traffic offence.

Related: Sinal de proibição, Sinal de trânsito
Marca rodoviária

A painted line, arrow or symbol on the road surface that guides or restricts traffic. Examples include continuous centre lines that must not be crossed and stop lines at junctions.

Related: Sinal de trânsito, Linha contínua
Linha contínua

A solid painted line along the road that must not be crossed or straddled, used where overtaking or lane changing would be dangerous. A broken line, by contrast, may be crossed when it is safe.

Related: Marca rodoviária, Ultrapassagem
Prioridade de passagem

The right of a road user to go first at a junction or narrow section. It is set by signs, markings or the general rule of giving way to traffic from the right where nothing else applies.

Related: Cruzamento, Sinal de trânsito
Ultrapassagem

The manoeuvre of passing another vehicle travelling in the same direction. It must be done on the left, only where visibility and markings allow, and never at junctions, bends or pedestrian crossings.

Related: Linha contínua, Ângulo morto
Ângulo morto

The area around a vehicle that the driver cannot see in the mirrors. It is large for buses and lorries, so the driver must check it carefully before changing lane, and other road users should avoid lingering there.

Related: Ultrapassagem, Distância de segurança
Distância de segurança

The gap a driver keeps behind the vehicle ahead to allow time to stop if it brakes suddenly. It grows with speed and in rain, and a common guide is at least two seconds in good conditions.

Related: Distância de travagem, Tempo de reação
Distância de travagem

The distance a vehicle travels from the moment the brakes are applied until it stops. It increases with the square of the speed, so doubling speed roughly quadruples braking distance, and it is longer on wet roads.

Related: Distância de segurança, Tempo de reação
Tempo de reação

The time between a hazard appearing and the driver acting, typically around one second. During it the vehicle keeps moving, so fatigue, alcohol and distraction lengthen reaction time and increase stopping distance.

Related: Distância de travagem, Fadiga ao volante
Condução defensiva

A style of driving that anticipates hazards and assumes other road users may make mistakes. It involves scanning ahead, keeping space, adjusting speed to conditions and avoiding sudden manoeuvres.

Related: Distância de segurança, Ângulo morto
Inspeção periódica

The mandatory regular technical inspection of a vehicle to confirm it is roadworthy. It checks brakes, lights, tyres, steering and emissions, and a valid certificate is required for the vehicle to circulate legally.

Related: Pressão dos pneus, Livro de reclamações do veículo
Pressão dos pneus

The air pressure inside a tyre, which must match the manufacturer's recommendation. Wrong pressure harms grip, fuel use and tyre life, so it should be checked cold before a trip and adjusted for heavy loads.

Related: Profundidade do piso do pneu, Inspeção periódica
Profundidade do piso do pneu

The depth of the tread grooves on a tyre, which must stay above the legal minimum to grip the road and clear water. Worn tyres increase braking distance and the risk of aquaplaning in rain.

Related: Pressão dos pneus, Aquaplanagem
Aquaplanagem

Loss of tyre contact with the road because a layer of water builds up under the tread. The driver feels the steering go light and should ease off the accelerator, avoid braking hard and hold the wheel steady.

Related: Profundidade do piso do pneu, Condução defensiva
Verificação antes da partida

The routine check a driver makes before starting a journey: tyres, lights, brakes, fluids, mirrors, load and documents. It catches faults early and is a core duty of a professional driver.

Related: Inspeção periódica, Acondicionamento da carga
Tacógrafo

An instrument that records a vehicle's speed, distance and driving time. It provides evidence of compliance with driving-hour and rest rules, and tampering with it is a serious offence.

Related: Tempo de condução, Período de descanso
Tempo de condução

The hours a driver spends at the wheel, which are limited by law to prevent fatigue. Limits are set for continuous driving and for daily and weekly totals, with breaks required in between.

Related: Período de descanso, Tacógrafo, Fadiga ao volante
Período de descanso

The uninterrupted time a driver must spend away from driving to recover, set by law for each day and week. Rest must be taken properly, not split into short pauses that do not allow real recovery.

Related: Tempo de condução, Tacógrafo
Fadiga ao volante

The tiredness that builds during long or poorly timed driving and slows reactions, reduces attention and can cause micro-sleeps. Drivers should stop, rest and, if needed, share the driving rather than push on.

Related: Tempo de condução, Tempo de reação, Período de descanso
Acondicionamento da carga

The way goods are arranged and fixed on a vehicle so they cannot shift, fall or overload an axle. Poor loading changes stability, braking and steering and can cause serious accidents.

Related: Amarração da carga, Carga máxima autorizada
Amarração da carga

The use of straps, chains or ropes to hold a load firmly to the vehicle. The securing must match the weight and type of load and be checked during the journey, especially after the first kilometres.

Related: Acondicionamento da carga, Mercadorias perigosas
Carga máxima autorizada

The greatest total weight a vehicle may legally carry, including load, passengers and fuel, stated in its documents. Exceeding it is an offence and makes the vehicle unsafe and harder to control.

Related: Acondicionamento da carga, Inspeção periódica
Mercadorias perigosas

Substances or articles that can harm people, property or the environment, such as fuel, gas or chemicals. Their transport follows special rules on packaging, labelling, documents and driver training.

Related: Painel laranja, Amarração da carga
Painel laranja

The rectangular orange plate displayed on vehicles carrying dangerous goods, showing hazard identification numbers. It warns emergency services what is on board so they can respond correctly to an incident.

Related: Mercadorias perigosas, Extintor de incêndio
Extintor de incêndio

A portable fire extinguisher carried on board, required for many vehicles and especially those carrying passengers or dangerous goods. It must be in date, correctly charged and within easy reach of the driver.

Related: Triângulo de sinalização, Mercadorias perigosas
Triângulo de sinalização

A reflective warning triangle placed behind a broken-down vehicle to alert approaching traffic. It is set at a safe distance, further on fast roads, and used together with the hazard lights and reflective vest.

Related: Extintor de incêndio, Primeiros socorros
Primeiros socorros

The immediate care given to an injured person before professional help arrives. It includes protecting the scene, checking breathing, stopping bleeding and calling emergency services without moving casualties unnecessarily.

Related: Triângulo de sinalização, Posição lateral de segurança
Posição lateral de segurança

A recovery position in which an unconscious but breathing casualty is laid on one side to keep the airway open. It is used when there is no suspected spinal injury and until help arrives.

Related: Primeiros socorros
Condução económica

A driving style that cuts fuel use and emissions by accelerating smoothly, keeping steady speed, using higher gears early and avoiding unnecessary idling. It also reduces wear on brakes and tyres.

Related: Condução defensiva, Pressão dos pneus
Seguro de responsabilidade civil

Compulsory insurance that covers damage the driver causes to other people or their property. Driving without valid cover is an offence, and the certificate must be carried in the vehicle.

Related: Inspeção periódica, Carta de condução profissional
Carta de condução profissional

The driving licence category that authorises a person to drive vehicles for hire or reward, such as buses, lorries or taxis. It requires the right category, medical fitness and a clean record.

Related: Seguro de responsabilidade civil, Tacógrafo
Cruzamento

A place where two or more roads meet or cross. At a junction the driver must adjust speed, give way as signs or the priority rule require and never block the crossing when traffic is stopped.

Related: Prioridade de passagem, Sinal de trânsito