Take Belarus GAI Theory C Practice Questions - Belarus GAI Category C Driving Licence Theory Examination Exam

QUESTION 1 / 25

What is the maximum permitted speed for a truck with a technically permissible maximum mass exceeding 3.5 tonnes on Belarusian motorways?

Choose one answer below.

A70 km/h✓B90 km/h✓C100 km/h✓D120 km/h✓

QUESTION 2 / 25

What is the maximum speed limit for a heavy truck (over 3.5 tonnes) on ordinary roads outside built-up areas (not motorways) in Belarus?

Choose one answer below.

A60 km/h✓B70 km/h✓C80 km/h✓D90 km/h✓

QUESTION 3 / 25

On a road having three or more lanes in one direction, in which lanes is a truck with a permissible maximum mass over 3.5 tonnes permitted to travel in Belarus?

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AIn any lane including the extreme left lane at all times✓BOnly in the first and second lanes from the right; using lanes further to the left is permitted ONLY to make a left turn or U-turn✓CExclusively in the first (extreme right) lane under all circumstances✓DIn the middle lane only✓

QUESTION 4 / 25

What is the minimum permissible residual tyre tread depth for heavy trucks (Categories N2 and N3, mass exceeding 3.5 tonnes) under Annex 4 of PDD Belarus?

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A0.8 mm✓B1.0 mm✓C1.6 mm✓D2.0 mm✓

QUESTION 5 / 25

How many wheel chocks (противооткатные упоры) must be carried on a truck with a permissible maximum mass over 3.5 tonnes in Belarus?

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AAt least 1 wheel chock✓BAt least 2 wheel chocks suitable for the wheel diameter✓CWheel chocks are optional for trucks with air brakes✓DAt least 4 wheel chocks✓

QUESTION 6 / 25

What is the maximum permissible total steering free play (люфт рулевого управления) for a heavy truck in Belarus under Annex 4?

Choose one answer below.

ANot more than 10 degrees✓BNot more than 15 degrees✓CNot more than 20 degrees✓DNot more than 25 degrees✓

QUESTION 7 / 25

What is the standard maximum permitted height for vehicles including cargo on Belarusian roads without special oversized permits?

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A3.5 metres✓B3.8 metres✓C4.0 metres✓D4.5 metres✓

QUESTION 8 / 25

What is the standard maximum permitted width for a freight truck in Belarus (standard body vs isothermal/refrigerated body)?

Choose one answer below.

A2.40 metres for all vehicles✓B2.55 metres for standard bodies, and up to 2.60 metres for isothermal/refrigerated bodies✓C3.00 metres for all trucks✓D2.50 metres for standard and 2.75 metres for refrigerated✓

QUESTION 9 / 25

What is the maximum permitted length for a single rigid truck and for an articulated road train (автопоезд) in Belarus without oversized permits?

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A10.0 m for a single vehicle, and 15.0 m for a road train✓B12.0 m for a single vehicle, and 20.0 m for a road train✓C15.0 m for a single vehicle, and 24.0 m for a road train✓D12.0 m for a single vehicle, and 25.25 m for a road train✓

QUESTION 10 / 25

When must protruding cargo on a truck be marked with the 'Large-Dimension Cargo' (Крупногабаритный груз) warning sign in Belarus?

Choose one answer below.

AWhen it protrudes beyond the front or rear of the vehicle by more than 1 metre, or laterally by more than 0.4 metres from the outer edge of the clearance light✓BOnly if it protrudes more than 2.5 metres from the rear✓CWhenever any cargo is carried in the open bed✓DOnly when driving on motorways✓

QUESTION 11 / 25

What is the typical operating air pressure in the pneumatic brake system reservoirs of a modern commercial truck?

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A1.0 to 2.0 bar (0.1–0.2 MPa)✓B6.5 to 8.0 bar (0.65–0.80 MPa)✓C15.0 to 20.0 bar (1.5–2.0 MPa)✓D0.3 to 0.5 bar✓

QUESTION 12 / 25

What happens in a truck's pneumatic brake system if air pressure drops catastrophically while driving?

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AThe engine accelerates to maximum speed✓BThe mechanical spring brake actuators (энергоаккумуляторы) release their powerful stored springs, locking the rear wheels into an emergency stop✓CThe steering wheel locks instantly✓DThe truck coasts freely with no braking whatsoever✓

QUESTION 13 / 25

Why is it essential to drain condensation from air brake reservoirs (ресиверы) daily, especially in sub-zero temperatures?

Choose one answer below.

ATo prevent moisture from freezing inside valves, lines, and actuators, which would cause complete brake failure✓BTo make the truck lighter and save fuel✓CTo increase tyre pressure automatically✓DTo cool the brake drums✓

QUESTION 14 / 25

What is the function of an air dryer (осушитель воздуха) with a desiccant cartridge in a truck's pneumatic system?

Choose one answer below.

ATo filter engine oil✓BTo remove water vapor and oil droplets from compressed air before it enters the storage reservoirs✓CTo heat the cabin air✓DTo lubricate the turbocharger✓

QUESTION 15 / 25

What does road sign 3.4 ('Truck Traffic Prohibited' / Движение грузовых автомобилей запрещено) prohibit when NO weight is specified on the truck silhouette?

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AProhibits movement of all trucks and vehicle combinations with a permissible maximum mass exceeding 3.5 tonnes, as well as tractors✓BProhibits pickup trucks under 2.5 tonnes✓CProhibits passenger cars with roof racks✓DProhibits empty trucks only✓

QUESTION 16 / 25

What do Belarusian road signs 3.12.1 and 3.12.2 ('Ограничение нагрузки на ось') indicate?

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AProhibits movement of vehicles where the actual mass distributed onto any single axle exceeds the figure on the sign✓BProhibits vehicles with fewer than 4 axles✓CIndicates a toll bridge fee✓DLimits total gross combination mass✓

QUESTION 17 / 25

What is the primary danger when driving an empty or lightly loaded articulated truck in heavy rain or icy conditions?

Choose one answer below.

AOverheating of drive tyres✓BJackknifing (складывание автопоезда) due to reduced drive-axle and trailer-axle tyre grip during sudden braking or steering✓CAir compressor seizure✓DEngine oil starvation✓

QUESTION 18 / 25

What is 'brake fade' (термическая усталость тормозов) in heavy truck drum brake systems during prolonged descents?

Choose one answer below.

ALoss of braking efficiency caused by excessive heat buildup in friction linings and drums, reducing friction coefficient✓BFreezing of brake lines✓CLoss of tyre pressure✓DLoss of engine compression✓

QUESTION 19 / 25

How should a truck driver control vehicle speed on long steep mountain descents to prevent brake fade?

Choose one answer below.

APut the transmission in neutral and coast, relying entirely on the service footbrake✓BSelect a low gear before starting the descent and use auxiliary retarders / engine exhaust brakes (моторный замедлитель / ретардер)✓CTurn off the engine to save fuel✓DPump the footbrake continuously with light pressure✓

QUESTION 20 / 25

What is the 'off-tracking' (забегание / срезание траектории) phenomenon when turning a long truck or articulated vehicle at an intersection?

Choose one answer below.

ARear wheels follow a tighter radius path than front steering wheels, cutting across inside curbs or adjacent lanes✓BThe vehicle accelerates automatically in turns✓CFront wheels lift off the pavement✓DRear wheels swing out into oncoming traffic✓

QUESTION 21 / 25

Where are the primary blind spots (слепые зоны) located around a large commercial truck?

Choose one answer below.

AOnly directly above the cab roof✓BDirectly in front of the cab, along the right side of the vehicle, directly behind the trailer, and along the left rear quarter✓CThere are no blind spots if convex mirrors are fitted✓DOnly in the passenger footwell✓

QUESTION 22 / 25

What is the requirement for cargo securing (крепление груза) on an open flatbed truck in Belarus?

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ACargo may rest loosely on the deck if the truck is driven below 50 km/h✓BCargo must be securely placed and fastened with tensioned lashing straps, chains, or wedges to prevent shifting, falling, or tipping during all acceleration, braking, and turning✓CCargo only needs to be tied down when driving on motorways✓DRope knots are sufficient for 20-tonne machinery loads✓

QUESTION 23 / 25

What is the danger of loading heavy cargo too far towards the REAR of a truck or semi-trailer?

Choose one answer below.

AOverloads the front steering axle✓BLightens the front steering axle load, causing severe loss of steering control and causing violent trailer fishtailing✓CCauses instant engine overheating✓DReduces fuel consumption✓

QUESTION 24 / 25

What is the danger of loading heavy cargo too far towards the FRONT of a truck bed?

Choose one answer below.

AOverloads the front steering axle, tyres, and suspension, causing heavy sluggish steering and risking front tyre blowout✓BCauses the rear tyres to spin freely on clean asphalt✓CReduces braking effectiveness on the front axle✓DCauses headlights to point up into the sky✓

QUESTION 25 / 25

Under what condition is freight transportation prohibited under PDD Belarus Item 184?

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AIf the cargo limits driver visibility, impairs vehicle stability, obscures lighting devices/reflectors/licence plates, or produces excessive noise, dust, or pollution✓BIf the cargo is packed in wooden crates✓CIf the cargo has a total weight of exactly 1 tonne✓DIf transported on a weekend✓