CSCS Pipefitter Mock Test

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Specialists Test

HVACR - Pipefitting and Welding

1 / 48

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

Always, whatever the circumstances

Only when the drill bit exceeds 20 mm

Only when drilling overhead

Only when drilling through concrete

2 / 48

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

It is the absolute maximum safe working load

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

It is provided for guidance only

It may be exceeded by no more than 25%

3 / 48

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

A barrier around the whole of the pipe length and machine

A barrier at the exposed end of the pipe only

Warning notices in the work area

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

4 / 48

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

They contain highly flammable compressed gas

They contain poisonous gas

They contain highly flammable liquid gas

They are filled to extremely high pressures

5 / 48

What must you ensure before using a ladder?

That the weather forecast is for a bright, clear day

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

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

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

6 / 48

Who should carry out pressure testing on pipework or vessels?

A competent person

Anyone who is available

A building control officer

A Health and Safety Executive (HSE) inspector

7 / 48

What is edge protection designed to do?

Make access to the roof easier

Secure tools and materials close to the edge

Prevent the fall of people and materials

Prevent rainwater running off the roof onto workers below

8 / 48

Which of the following statements is true?

Butane is heavier than air while propane is lighter than air

Propane is heavier than air while butane is lighter than air

Both propane and butane are heavier than air

Both propane and butane are lighter than air

9 / 48

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

Test with a lighted match

Sniff the connections to detect the smell of gas

Listen to hear for escaping gas

Apply leak detection fluid to the connections

10 / 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?

Stop work until a risk assessment has been carried out

Ask someone in the building to act as your second person

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

Go into the service duct and continue to trace the pipework

11 / 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, provided that if you fall the stairwell guard-rail will prevent you from falling further

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

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

12 / 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

13 / 48

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

12 m

The height recommended by the manufacturer

2 m

There is no restriction

14 / 48

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

Eye protection with a tinted filter lens

Dust mask

Respiratory protective equipment (RPE)

Clear goggles

15 / 48

How should extension lead in use on site be positioned?

They should be raised on bricks

They should be located so as to prevent a tripping hazard

They should be coiled on a drum or cable tidy

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

16 / 48

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

Using verbal instruction

In a radio telephone message

On a notice in the canteen

In a method statement

17 / 48

When should you stop carrying out hot works?

At least two hours before you leave the site

Just before you leave the site

At least four hours before you leave the site

At least one hour before you leave the site

18 / 48

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

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

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

Remove just enough lagging to carry out the work

Wet the lagging but leave it in place

19 / 48

What must be clearly marked on all lifting equipment?

The name of the manufacturer

The specification of material from which it is made

The safe working load

The next test date

20 / 48

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

Take the plug apart and carry out a repair

Push it back into the plug and carry on working

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

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

21 / 48

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

By those who are working in it

By the main contractor

By a permit to work system

By a site security operative

22 / 48

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

A weather forecast must be obtained

A risk assessment must be carried out

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

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

23 / 48

What should be done before a mobile tower is moved?

The principal contractor must give their approval

All people and equipment must be removed from the platform

A permit to work must be issued

Arrangements must be made with the forklift truck driver

24 / 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 off

With all valves and switches turned on and ready to use

With all valves and switches locked off

With all valves and switches clearly labelled

25 / 48

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

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

Carry out the work taking care not to catch the timber

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

26 / 48

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

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

Stop work until an authorised supply has been installed

Find some cable and extend the wiring yourself

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

27 / 48

What is the colour of an acetylene cylinder?

Maroon

Orange

Green

Black

28 / 48

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

Outside the cabin

Inside the cabin in a locked cupboard

Inside the cabin next to the appliance

Under the cabin

29 / 48

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

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

Soldering pipework in a central heating system

Cutting steel with an angle grinder

Refuelling a diesel dump truck

Using the heaters in the drying room

30 / 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

31 / 48

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

Inside a building in a locked cupboard

In a special rack in a company van

Outside in a special storage compound

With oxygen bottles

32 / 48

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

Propane equipment operates at lower pressure

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

Propane equipment operates at higher pressure

Propane equipment is cheaper

33 / 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

It has a tool tray towards the top of the steps

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

The restraint mechanism is spread to its full extent

34 / 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 would be at too low a level to allow the torch to burn correctly

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

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

35 / 48

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

Overhead service cables

Cable trays

Water pipes

False ceilings

36 / 48

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

That the power supply is 24 volts

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

That the machine is only used in your compound

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

37 / 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?

Keep people out of the area and inform your supervisor

Warn other people as they tread through it

Do nothing, as it will eventually soak into the floor

Spread it about to lessen the depth

38 / 48

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

In a stairwell

In another room

Outside the building

In a riser

39 / 48

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

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

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

40 / 48

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

Stood upside down

Laid on their side and secured

Stood upright and secured

Angled at 45°

41 / 48

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

In a locked cellar with clear warning signs

As close to the point of use as possible

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

Covered by a tarpaulin to shield the compressed cylinder from sunlight

42 / 48

Who is allowed to install natural gas pipework?

Anybody

A skilled engineer

A pipefitter

A Gas Safe registered engineer

43 / 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 are the right weight

That the cylinders are full

That the area is well ventilated and clear of any obstructions

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

44 / 48

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

The site foreman

Anybody

Only those involved in carrying out the test

The architect

45 / 48

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

Check for overhead power lines

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

Make sure that the tower does not rock or wobble

Check that the brakes are locked on

46 / 48

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

Not having a hot-work permit

Dropping a gas cylinder

Gas poisoning

Fire

47 / 48

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

110-volt portable halogen light

Battery-powered rechargeable drill

110-volt electrical drill

Electric kettle

48 / 48

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

Jointing copper pipe using hard soldering

Jointing sheet lead

Jointing copper tube using capillary soldered fittings

Jointing mild steel tube

Your score is

The average score is 87%

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