PCV Test - 26

PCV Test - 26
You need 17 out of 20 to pass this test
Start test

PCV Test - 26

Question 1 of 20

You're checking your vehicle. What should you do if you discover an air leak in the braking system?

Drive slowly to the nearest garage

Check the leak from time to time on your journey

Leave it parked and report it immediately

Start your journey and report it on your return

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Question 2 of 20

In very cold weather, moisture can freeze in your vehicle’s air storage tanks. What can you do to help prevent this from happening?

Cover the air tanks with a blanket

Drain the tanks daily

Use the brakes frequently

Pump the brakes

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Question 3 of 20

You're driving a three-axle double-deck bus. Why should you take extra care when using full steering lock?

Passengers might alter the angle of tilt

The power steering might fail

You may damage the air suspension

You may scrub the rear tyres

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Question 4 of 20

When should you check the wheel nuts on your vehicle?

Before any journey

Only before long trips

Only every 1000 miles (1600 km)


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Question 5 of 20

What could happen if there isn't enough oil in your engine?

It may run faster

It may break down

It may use less fuel

It may produce more power

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Question 6 of 20

Why is it important to avoid overfilling the engine with oil?

It could leave an oil stain on the road

It will increase the amount of exhaust gases

It could increase oil pressure and cause damage

It will damage the exhaust system

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Question 7 of 20

You're about to start a long journey midway through the day. What should you do if you notice that the sidelights work but the headlights are faulty?

Don't drive until they are mended

Drive only until light begins to fade

Avoid driving on motorways after dark

Drive only if the weather is good

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Question 8 of 20

At a Driver and Vehicle Standards Agency (DVSA) roadside check, your vehicle is found to have serious defects and you may no longer use it. Who will DVSA share this information with?

The Driver and Vehicle Licencing Agency

The Traffic Commissioner

The Road Transport Industry Training Body

The Bus, Coach and Commercial Vehicle Council

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Question 9 of 20

What's the most likely cause if your steering starts to feel heavy?

Faulty power steering

An icy road

A burst rear tyre

A wet road

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Question 10 of 20

You're driving a three-axle double-deck bus and have the steering turned onto full lock. What should you do to avoid rear tyre scrub?

Use the highest gear possible

Drive a very low speed

Apply the exhaust brake (retarder)

Reduce the pressure in the rear tyres

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Question 11 of 20

A loud buzzer sounds in your vehicle. What's this most likely to indicate?

Low oil pressure

Low air pressure

Low tyre pressure

Low fuel level

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Question 12 of 20

You're driving at night on a very busy road when your headlights fail. What should you do if the fuse box is on the outside of the bus, on the right-hand side?

Ask a passenger to watch for traffic

Drive on without lights

Fix the problem yourself

Wait for the breakdown services

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Question 13 of 20

While driving, your engine-oil warning light comes on. Why could it be dangerous to continue driving?

The engine will get hot

The engine may be damaged

You will need to have the vehicle serviced

You will need to replace the carburettor

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Question 14 of 20

A passenger tells you they've noticed that a wheel nut is missing from your bus. How often should you check your vehicle's wheel nuts?

At the end of every week

At the start of every week

Every day before starting out

Only at every service interval

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Question 15 of 20

Where does a high-pressure fuel injector deliver fuel?

Into the carburettors

Into the combustion chamber

Into the manifold

Into the crankcase

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Question 16 of 20

You hit the kerb at speed. What part of your vehicle should you check for damage?





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Question 17 of 20

What should you do before stopping a turbocharged engine?

Release the air suspension valve

Allow the engine to idle

Select reverse gear

Rev the engine up sharply

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Question 18 of 20

What could happen if you overfill your engine with oil?

The handling may improve

Exhaust emissions could be reduced

Some gaskets might be damaged

You could wait longer before the next service

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Question 19 of 20

What should you do if you notice that your coach’s right rear indicator isn't working?

Continue your journey using arm signals

Get it repaired before continuing

Get it repaired on your return to the depot

Get your passengers to their destination then repair it

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Question 20 of 20

What's it advisable to do when you replace a tubeless tyre?

Fit the same valve

Replace the valve

GHve the valve checked

Clean the valve