Northern Ireland Theory Test Practice 2026：第4套练习测试

Northern Ireland Theory Test Practice 练习测试第4套（共8套）：再练25道题，附答案和解释。

驾驶
北爱尔兰
300道题
核对于2026年10月10日

第1题，共25题
You need to set a new route on your sat nav during a journey. What should you do?
- Set it while driving slowly
- Set it at the next red traffic light
- Find a safe place to stop first
- Type the address with one hand
显示答案
答案: C. Find a safe place to stop first
Rule 150 says do not be distracted by maps or screens; find a safe place to stop if you need to. You must not hold the device while driving (Rule 149).
第2题，共25题
What does this sign mean?
- Hump bridge
- Tunnel ahead
- Steep hill upwards
- Uneven road
显示答案
答案: A. Hump bridge
The road rises over a bridge. You may not see oncoming traffic until late, so slow down.
第3题，共25题
A pedestrian is walking in the road on a lane with no pavement. How much space should you give them?
- At least half a metre
- At least 1 metre, at any speed
- At least 2 metres, at a low speed
- None; they should step aside
显示答案
答案: C. At least 2 metres, at a low speed
Rule 163: allow at least 2 metres for pedestrians walking in the road and keep to a low speed.
第4题，共25题
What does this sign mean?
- Quayside or river bank
- Ferry terminal ahead
- Ford ahead
- Risk of flooding
显示答案
答案: A. Quayside or river bank
The road may run along an open quay or river bank. Take care not to drive into the water.
第5题，共25题
How should you normally brake?
- By changing down to a low gear only
- Mainly with the handbrake
- Early and lightly, then more firmly
- Late and hard, just before you need to stop
显示答案
答案: C. Early and lightly, then more firmly
Rule 117: the safest way to brake is early and lightly, more firmly as you begin to stop, then ease off just before the car stops.
第6题，共25题
What does this sign mean?
- Car and motorcycle hire
- Parking for cars and motorcycles
- Motor vehicles only
- No motor vehicles
显示答案
答案: D. No motor vehicles
A car and a motorcycle inside a red circle mean no motor vehicles may go past the sign.
第7题，共25题
What is the national speed limit for a car on a dual carriageway?
- 50 mph
- 70 mph
- 80 mph
- 60 mph
显示答案
答案: B. 70 mph
Rule 124: the national speed limit for cars on dual carriageways is 70 mph.
第8题，共25题
You are driving a car on a single carriageway road and pass this sign. What is the highest speed you may drive?
- 50 mph
- 40 mph
- 70 mph
- 60 mph
显示答案
答案: D. 60 mph
The national speed limit for cars on a single carriageway road is 60 mph.
第9题，共25题
Many large vehicles are fitted with speed limiters. What top speed are they often limited to?
- 70 mph
- 80 mph
- 40 mph
- 56 mph
显示答案
答案: D. 56 mph
Rule 222: many large vehicles are speed-limited to 56 mph (90 km/h), even on motorways.
第10题，共25题
At a level crossing the amber light comes on before you reach the white line. What must you do?
- Drive round the barriers
- Cross if no train is in sight
- Stop behind the white line
- Speed up and cross quickly
显示答案
答案: C. Stop behind the white line
You must obey the lights at a level crossing and stop behind the white line. Only keep going if you have already crossed the line when the amber light comes on.
第11题，共25题
What does this sign mean?
- Start of motorway
- Bridge ahead
- End of motorway
- Dual carriageway ahead
显示答案
答案: A. Start of motorway
This blue sign marks the start of a motorway. Motorway rules apply from this point.
第12题，共25题
At a roundabout, a cyclist in the left-hand lane is signalling right. What should you do?
- Give them room, as they may be going right round
- Overtake them quickly on the right-hand side
- Sound your horn to warn them where you are
- Cut across in front of them to take the first exit
显示答案
答案: A. Give them room, as they may be going right round
Rule 186: cyclists may stay in the left lane while going round and signal right. Do not cut across them.
第13题，共25题
Signs with red circles mostly tell you what?
- Directions to a town
- What you must not do
- Tourist information
- A warning of a hazard
显示答案
答案: B. What you must not do
Traffic signs: signs with red circles are mostly prohibitive, for example no entry or a maximum speed.
第14题，共25题
What is the typical overall stopping distance for a car at 30 mph?
- 12 metres (40 feet)
- 23 metres (75 feet)
- 53 metres (175 feet)
- 36 metres (118 feet)
显示答案
答案: B. 23 metres (75 feet)
Rule 126: at 30 mph the typical stopping distance is 23 metres: 9 metres thinking and 14 metres braking.
第15题，共25题
You park on a road at night. Which way should your car face?
- Any way, as long as the lights are on
- Towards the nearest junction
- Against the traffic flow
- The same way as the traffic flow
显示答案
答案: D. The same way as the traffic flow
Rule 248: you must not park on a road at night facing against the traffic flow, unless in a recognised parking space.
第16题，共25题
What does this sign mean?
- Level crossing without barrier ahead
- Level crossing with barrier or gate ahead
- Cattle grid ahead
- Road works ahead
显示答案
答案: B. Level crossing with barrier or gate ahead
The gate symbol warns of a railway level crossing that has a barrier or gate.
第17题，共25题
You have to stop in traffic in a tunnel. What is the smallest gap you should leave to the vehicle in front?
- 20 metres
- No gap is needed
- 1 metre
- 5 metres
显示答案
答案: D. 5 metres
Rule 126: if you have to stop in a tunnel, leave at least a 5-metre gap between you and the vehicle in front.
第18题，共25题
How much room should you give a motorcyclist when overtaking?
- None, if they keep to the left
- Less than a car, because motorcycles are narrow
- At least as much as you would give a car
- Half a metre
显示答案
答案: C. At least as much as you would give a car
Rule 163 and Rule 212: give motorcyclists at least as much room as you would when overtaking a car.
第19题，共25题
Which road marking usually goes with this sign?
- Double broken white lines across your side of the road
- A single solid white line
- A yellow box with criss-cross lines
- White zigzag lines along the kerb
显示答案
答案: A. Double broken white lines across your side of the road
A give way junction has double broken white lines across the road. A single solid white line goes with a STOP sign.
第20题，共25题
How should you drive on an icy road?
- With your hazard lights on the whole time
- As normal, as long as your tyres are new
- Slowly, in a high gear, with very gentle braking
- Quickly, in a low gear, braking firmly
显示答案
答案: C. Slowly, in a high gear, with very gentle braking
Rule 231: on icy roads drive at a slow speed in as high a gear as possible, and accelerate and brake very gently.
第21题，共25题
How long is a theory test pass certificate valid?
- Two years
- Five years
- Six months
- One year
显示答案
答案: A. Two years
You must pass your practical driving test within two years of passing the theory test, or take the theory test again.
第22题，共25题
A warning light comes on while you are driving. What should you do?
- Switch the engine off while still moving
- Only worry if a second light comes on
- Stop when safe and find out what it means
- Ignore it until your next service
显示答案
答案: C. Stop when safe and find out what it means
Annex 6: do not ignore warning displays. If a warning light comes on while driving, stop and investigate.
第23题，共25题
What does this sign mean?
- No overtaking
- Car parking ahead
- Two-way traffic ahead
- Keep a safe gap from the car in front
显示答案
答案: A. No overtaking
The two cars side by side in a red circle mean you must not overtake.
第24题，共25题
How can you find out when a single yellow line applies?
- It always applies, 24 hours a day
- Check the times on nearby plates or zone signs
- It never applies on Saturdays or Sundays
- It only applies during school holidays
显示答案
答案: B. Check the times on nearby plates or zone signs
Rule 238: you must not wait or park on a single yellow line during the times shown on nearby time plates or zone entry signs.
第25题，共25题
Your car breaks down on an ordinary road. Where should you put a warning triangle?
- 10 metres in front of the car, on the pavement
- At least 45 metres behind, on the same side of the road
- 5 metres behind, on the other side of the road
- In the middle of the road, beside the car
显示答案
答案: B. At least 45 metres behind, on the same side of the road
Rule 276: place a warning triangle at least 45 metres behind your broken-down vehicle on the same side of the road, but never on a motorway.

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