Truck 4 - DKT Test

1.Your vehicle is fitted with a 'diff-lock'. When would you normally use it?

While driving on straight roads

While towing an empty trailer

While driving on muddy construction sites

While uncoupling a trailer

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2.What effect will continuous use of the air-conditioning system have on fuel consumption?

Increase it by about 15%

Increase it by about 30%

Increase it by about 50%

Increase it by about 75%

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3.Where should you take particular care to look out for other motorcyclists and cyclists?

On dual carriageways

At junctions

At zebra crossings

On one-way streets

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4.Who's responsible for making sure that cargo arrives undamaged?

The packer

The driver

The sender

The loader

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5.You're riding slowly in a town centre. Why should you glance over your left shoulder before turning left?

To check for cyclists

To help keep your balance

To look for traffic signs

To check for potholes

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6.What should you do when making a short stop, facing uphill?

Hold the vehicle on the clutch

Hold the vehicle on the footbrake

Select neutral and apply the parking brake

Apply the parking brake after stopping

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7.When should you use your vehicle's horn?

To warn others of your presence

To allow you right of way

To greet other road users

To signal your annoyance

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8.Why are goods vehicle drivers' hours of work controlled?

To encourage vehicle sympathy

To help road safety

To ensure fair road use

To improve vehicle security

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9.What should you do first to help someone who's unconscious at the scene of an incident?

Try to get them to drink water

Look for any witnesses

Take the numbers of any vehicles involved

Check that they're breathing

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10.What will happen if you are caught cheating on the knowledge test?

You will not be allowed to take another test for 6 weeks

You will never be allowed to take another test

Nothing, there is no penalty

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11.What can cab-mounted wind deflectors reduce?

Journey times

Load capacity

Tyre wear

Fuel consumption

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12.Where should you park a semi-trailer if you plan to leave it unattended?

On a residential street

On a steep hill

In a lorry park

In a lay-by

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13.How should you ride a motorcycle when new tyres have just been fitted?

Slower than normal, until the shiny surface is worn off

By braking hard, especially into bends

Normally, but with higher tyre pressures

By riding at faster-than-normal speeds

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14.You're driving a lorry with a maximum authorised mass of more than 7.5 tonnes along a three-lane motorway. When may you use the right-hand lane?

To overtake slower lorries

When the left-hand lane is closed

f you drive at more than 60 mph

If you're travelling unladen

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15.What's likely to happen if you get cold and wet when riding a motorcycle?

Your concentration will be impaired

Your riding will improve

Your visor will freeze up

Your reactions will be quicker

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16.Which type of load should be secured using chains?

Timber planks

Hay bales

Steel plates

Canvas sacks

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17.You're driving a lorry. During the journey you begin to feel ill and are unable to concentrate. What should you do?

Stop in a safe place and seek help

Continue your journey and keep your windows open

Increase your speed to finish your work earlier

Keep stopping at regular intervals for rest

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18.Air-brake systems usually have two lines. Which additional line is fitted on a three-line system?

Emergency

Service

Electrical

Auxiliary

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19.What should you do when there's a fire in your vehicle's engine compartment?

Open all windows

Try to remove the load

Flag down a passing motorist

Cut off the fuel supply

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20.What should you look for when choosing a site to park your trailer?

The site should be level

The site should be made of concrete

The site should be sheltered

The site should have marked parking bays

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21.Young and new motorcyclists are involved in more incidents than other motorcyclists. Why is this?

They use borrowed equipment

They lack experience and judgement

They ride in bad weather conditions

They don't maintain their motorcycles

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22.How should you load a vehicle?

Spread the load evenly

Load it towards the rear

Load it towards the front

Arrange the load to make it easy for unloading

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23.What should you do if you're asked to leave your bus by an official who isn't in uniform?

Comply with the request

Ask to see a warrant card

Refuse to leave the vehicle

Invite the official aboard

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24.When should you check the oil level in your engine?

When the engine is running

When the engine is cold

When the engine is warm

When the engine is hot

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25.A casualty isn't breathing normally. Chest compressions should be given. At what rate?

10 per minute

120 per minute

60 per minute

240 per minute

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26.You're travelling along a motorway. When are you allowed to overtake on the left?

When you can see well ahead that the hard shoulder is clear

When the traffic in the right-hand lane is signalling right

When you warn drivers behind by signalling left

When in queues and traffic to your right is moving more slowly than you are

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27.You're turning left from a main road into a side road. What should you do if people are already crossing the road into which you're turning?

Continue, as you have right of way

Signal to them to continue crossing

Wait and allow them to cross

Sound your horn to warn them of your presence

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28.You're riding towards a zebra crossing. Pedestrians are waiting to cross. What should you do?

Give way to the elderly and infirm only

Slow down and prepare to stop

Use your headlights to signal them to cross

Wave at them to cross the road

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29.Your coach often tows a trailer. How often should you check the trailer tyres for pressure?

At least once a week when they're cold

At least once a month when they're hot

At least once a week when they're hot

At least once a month when the trailer is fully laden

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30.What safety measure should you take before starting a motorcycle engine?

Check that the neutral lamp shows when the ignition is switched on

Select first gear and apply the rear brake lightly

Select first gear and apply the front brake firmly

Check that your dipped headlights and tail light are on

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31.Why could it be dangerous to wave people across at pedestrian crossings?

There may be another vehicle coming

They may be distracted

They may not see your signal

They may not be ready to cross

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32.What condition could prevent you from holding a lorry or bus licence?

Dyslexia

Partial blindness

Dermatitis

Stomach upset

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33.Which type of glasses shouldn't be worn when riding at night?

Half-moon

Round

Bifocal

Tinted

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34.When do long vehicles sometimes need to straddle lanes?

When turning at tight junctions

When travelling empty

When driving on motorways

When coming to contraflow systems

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35.What must you do when driving under the rules for domestic drivers' hours?

Keep a written record of hours worked

Only record any driving off public roads

Keep a written record of driving time only

Always use a vehicle fitted with a tachograph

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36.What's the minimum depth of tread required over three-quarters of the breadth of a lorry tyre?

1 mm

1.5 mm

2.5 mm

5 mm

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37.How can vehicle breakdowns be reduced?

By driving slowly

By regular servicing

By regular cleaning

By avoiding bad weather

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38.You're driving an open tipper lorry carrying loose dry sand. Why should you sheet this load?

To stop the handling from being affected

To stop the load from shifting

To stop the load from blowing away

To stop the tipper mechanism from accidentally operating

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39.How is a strong wind likely to affect your bus?

Steering will be easier

Your stopping distances will be reduced

Your stopping distances will be greater

Steering will be more difficult

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40.Which vehicle is most at risk in windy conditions?

High-sided lorry

Saloon car

Tractor unit

Single-deck bus

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41.What's the national speed limit on a motorway for a lorry weighing over 7.5 tonnes?

50 mph (80 km/h)

55 mph (88 km/h)

60 mph (96 km/h)

70 mph (112 km/h)

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42.You've stopped at a pelican crossing. What should you do if the lights have changed to green but a disabled person is still crossing?

Give way to them

Drive in front of them

Drive behind them

Sound your horn at them

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43.What will you have to deal with when you're driving at night?

Headlight dazzle

Other drivers speeding

Cold weather conditions

Dazzle from shop windows

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44.What could happen if you ride your motorcycle when it has a very loose drive chain?

The front wheel could wobble

The ignition could cut out

The brakes could fail

The rear wheel could lock

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45.Why should you use an approved coolant solution in your engine's cooling system?

To protect the coolant from freezing

For easier starting from cold

To prevent the air tank from freezing

For effective cab heating

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