CSCS Pipefitter Mock Test

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Specialists Test

HVACR - Pipefitting and Welding

1 / 48

Who is allowed to install natural gas pipework?

A pipefitter

A Gas Safe registered engineer

A skilled engineer

Anybody

2 / 48

What should you do when using a blowtorch near to flexible pipe lagging?

Wet the lagging but leave it in place

Remove just enough lagging to carry out the work

Remove the lagging at least 1 m either side of the work

Remove the lagging at least 3 m either side of the work

3 / 48

Apart from the cylinders used in gas-powered forklift trucks, why should liquefied petroleum gas (LPG) cylinders never be placed on their side during use?

Air could be drawn into the cylinder, creating a dangerous mixture of gases

The liquid gas could be drawn from the cylinder, creating a safety hazard

It would give a faulty reading on the contents gauge, resulting in flashback

The liquid gas would be at too low a level to allow the torch to burn correctly

4 / 48

Which two of these activities are likely to need a hot-work permit?

Soldering pipework in a central heating system

Refuelling a diesel dump truck

Using the heaters in the drying room

Replacing an empty liquefied petroleum gas (LPG) cylinder with a full one

Cutting steel with an angle grinder

5 / 48

Why is it essential to take great care when handling oxygen cylinders?

They contain highly flammable liquid gas

They contain poisonous gas

They contain highly flammable compressed gas

They are filled to extremely high pressures

6 / 48

Where should liquefied petroleum gas (LPG) cylinders be positioned when supplying an appliance in a site cabin?

Inside the cabin next to the appliance

Inside the cabin in a locked cupboard

Under the cabin

Outside the cabin

7 / 48

If you are working where welding is being carried out, what should be provided to protect you from welding flash?

Warning notices

A fire extinguisher

Screens

A hi-vis vest

8 / 48

What must be clearly marked on all lifting equipment?

The safe working load

The specification of material from which it is made

The next test date

The name of the manufacturer

9 / 48

When do you need to wear eye protection while drilling through a wall?

Only when drilling overhead

Only when drilling through concrete

Always, whatever the circumstances

Only when the drill bit exceeds 20 mm

10 / 48

When should you stop carrying out hot works?

Just before you leave the site

At least one hour before you leave the site

At least two hours before you leave the site

At least four hours before you leave the site

11 / 48

How should extension lead in use on site be positioned?

They should be coiled on a drum or cable tidy

They should be raised on bricks

They should be located so as to prevent a tripping hazard

They should be laid out in the shortest, most convenient route

12 / 48

Which of these statements is true in relation to the safe working load (SWL) of lifting equipment?

It may be exceeded by no more than 25%

It is provided for guidance only

It is never marked on the equipment but kept with the test certificates

It is the absolute maximum safe working load

13 / 48

How should you position the exhaust of an engine-driven generator that has to be run inside a building?

In another room

Outside the building

In a riser

In a stairwell

14 / 48

When a new piece of plant has been installed but has not been commissioned, how should it be left?

With all valves and switches turned on and ready to use

With all valves and switches turned off

With all valves and switches clearly labelled

With all valves and switches locked off

15 / 48

When working in a riser, how should access be controlled?

By a site security operative

By a permit to work system

By those who are working in it

By the main contractor

16 / 48

Which of the following statements is true?

Butane is heavier than air while propane is lighter than air

Both propane and butane are heavier than air

Propane is heavier than air while butane is lighter than air

Both propane and butane are lighter than air

17 / 48

What is the most likely risk of injury when cutting a pipe with hand-operated pipe cutters?

You may damage your muscles due to continued use

Your fingers may become trapped between the cutting wheel and the pipe

You may cut yourself on the inside edge of the cut pipe

A piece of sharp metal could fly off and hit you

18 / 48

If you are asked to install high-level ductwork from a platform that has no edge protection and is located above an open stairwell, what should you do?

Get on with the job, but keep away from the edge of the platform

Get on with the job, ensuring that a workmate stays close by

Get on with the job, provided that if you fall the stairwell guard-rail will prevent you from falling further

Not start work until your work platform has been fitted with guard-rails and toe-boards

19 / 48

Which two of the following are essential safety checks to be carried out before using oxyacetylene equipment?

That the trolley wheels are the right size

That the cylinders, hoses and flashback arresters are in good condition

That the area is well ventilated and clear of any obstructions

That the cylinders are full

That the cylinders are the right weight

20 / 48

What should be done before a mobile tower is moved?

A permit to work must be issued

Arrangements must be made with the forklift truck driver

All people and equipment must be removed from the platform

The principal contractor must give their approval

21 / 48

When planning a lifting operation, how should the sequence of operations to enable a safe lift be confirmed?

On a notice in the canteen

In a radio telephone message

In a method statement

Using verbal instruction

22 / 48

What is edge protection designed to do?

Make access to the roof easier

Prevent the fall of people and materials

Prevent rainwater running off the roof onto workers below

Secure tools and materials close to the edge

23 / 48

What is the recommended maximum height for a free-standing mobile tower?

12 m

2 m

There is no restriction

The height recommended by the manufacturer

24 / 48

When using a blowtorch near to timber, what should you do?

Wet the timber first and keep a bucket of water handy

Point the flame away from the timber and have a bucket of sand ready to put out the fire

Use a non-combustible mat and have a fire extinguisher ready

Carry out the work taking care not to catch the timber

25 / 48

How should cylinders containing liquefied petroleum gas (LPG) be stored on site?

In a locked cellar with clear warning signs

In a locked cage at least 3 m from any oxygen cylinders

Covered by a tarpaulin to shield the compressed cylinder from sunlight

As close to the point of use as possible

26 / 48

Which item of electrical equipment does not require portable appliance testing?

110-volt electrical drill

Electric kettle

Battery-powered rechargeable drill

110-volt portable halogen light

27 / 48

The use of oxyacetylene equipment is not recommended for which jointing method?

Jointing copper pipe using hard soldering

Jointing copper tube using capillary soldered fittings

Jointing mild steel tube

Jointing sheet lead

28 / 48

What is the first thing you should do after getting on to the platform of a correctly erected mobile tower?

Make sure that the tower does not rock or wobble

Close the access hatch to prevent falls of personnel, tools or equipment

Check that the brakes are locked on

Check for overhead power lines

29 / 48

When assembling a mobile tower what major hazard must you be aware of?

False ceilings

Water pipes

Cable trays

Overhead service cables

30 / 48

What is the main hazard associated with flame-cutting and welding?

Dropping a gas cylinder

Gas poisoning

Fire

Not having a hot-work permit

31 / 48

Who should carry out pressure testing on pipework or vessels?

A competent person

Anyone who is available

A Health and Safety Executive (HSE) inspector

A building control officer

32 / 48

What should you do when using pipe-freezing equipment to isolate a damaged section of pipe?

Never allow the freezing gas to come into direct contact with surface water

Always work in pairs

Never use pipe-freezing equipment on plastic pipe

Wear gloves to avoid direct contact with your skin and read the COSHH assessment

33 / 48

What must you ensure before using a ladder?

That an apprentice or workmate is standing by in case you slip and fall

That no-one else has booked the ladder for their work

That the weather forecast is for a bright, clear day

That it is secured to prevent it from moving sideways or sliding outwards

34 / 48

While working on your own and tracing pipework in a building, you notice that the pipes enter a service duct. What should you do?

Put on your personal protective equipment (PPE) and carry on with the job

Ask someone in the building to act as your second person

Go into the service duct and continue to trace the pipework

Stop work until a risk assessment has been carried out

35 / 48

If you find a coloured wire sticking out of an electrical plug what is the correct action to take?

Pull the wire clear of the plug and report it to your supervisor

Push it back into the plug and carry on working

Take the plug apart and carry out a repair

Mark the item as defective and follow your company procedure for defective items

36 / 48

Why is it important to know the difference between propane and butane equipment?

Propane equipment can be used with smaller, easy-to-handle cylinders

Propane equipment operates at lower pressure

Propane equipment operates at higher pressure

Propane equipment is cheaper

37 / 48

What should you do if you need additional temporary wiring for your power tools whilst working on site?

Stop work until an authorised supply has been installed

Disconnect a longer cable serving somewhere else and reconnect it to where you need it

Speak to an electrician and ask them to do the temporary wiring

Find some cable and extend the wiring yourself

38 / 48

What guarding is required when a pipe threading machine is in use?

Warning notices in the work area

A barrier around the whole of the pipe length and machine

A barrier at the exposed end of the pipe only

A length of red material hung from the exposed end of the pipe

39 / 48

Which item of personal protective equipment (PPE) is designed to protect against infrared radiation damage to the eyes during flame cutting or welding?

Dust mask

Clear goggles

Eye protection with a tinted filter lens

Respiratory protective equipment (RPE)

40 / 48

Where should acetylene gas-welding bottles be stored when they are not in use?

Inside a building in a locked cupboard

Outside in a special storage compound

With oxygen bottles

In a special rack in a company van

41 / 48

What is the colour of an acetylene cylinder?

Orange

Maroon

Black

Green

42 / 48

Who should be present during the pressure testing of pipework or vessels?

The site foreman

Only those involved in carrying out the test

The architect

Anybody

43 / 48

If you spill some oil on the floor and you do not have any absorbent material to clean the area, what should you do?

Spread it about to lessen the depth

Keep people out of the area and inform your supervisor

Do nothing, as it will eventually soak into the floor

Warn other people as they tread through it

44 / 48

When using oxyacetylene brazing equipment, how should the bottles be positioned?

Angled at 45°

Stood upside down

Stood upright and secured

Laid on their side and secured

45 / 48

What must be done first before any roof work is carried out?

Permits to work must be issued only to those allowed to work on the roof

The operatives working on the roof must be trained in the use of safety harnesses

A weather forecast must be obtained

A risk assessment must be carried out

46 / 48

What is the method of checking for leaks after connecting a liquefied petroleum gas (LPG) regulator to the bottle?

Listen to hear for escaping gas

Apply leak detection fluid to the connections

Test with a lighted match

Sniff the connections to detect the smell of gas

47 / 48

What should you ensure when using an electrically powered threading machine?

That your clothing cannot get caught on rotating parts of the machine

That the power supply is 24 volts

That the machine is only used in your compound

That the power supply is 400-volts and the machine is fitted with a guard

48 / 48

When positioning and erecting a stepladder, which of the following is essential for its safe use?

Your supervisor has positioned and erected the steps

You will be able to reach the job by standing on the top step

It has a tool tray towards the top of the steps

The restraint mechanism is spread to its full extent

Your score is

The average score is 77%

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