CSCS Plumbing and Heating Mock Test

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Specialists Test

HVACR - Heating and Plumbing Services

1 / 44

The legionella bacteria that cause legionnaires' disease are most likely to be found in which of the following?

A cold-water storage cistern containing water at 10°C

An infrequently used shower hose outlet

A boiler operating at a temperature of 80°C

A toilet pan

2 / 44

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

In a radio telephone message

In a method statement

Using verbal instruction

On a notice in the canteen

3 / 44

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

Inside the cabin next to the appliance

Under the cabin

Inside the cabin in a locked cupboard

Outside the cabin

4 / 44

How should you access a roof to install a flexible flue liner into an existing chimney?

Scramble up the roof tiles to get to the chimney

Get your mate to do the job while you hold a rope tied to them

Use an access scaffold designed for chimney works

Work from a roof ladder securely hooked over the ridge

5 / 44

What is the only circumstance where stepladders should be used?

If they are made of aluminium

Inside buildings

If no other suitable equipment is available after works have been risk assessed

If they are less than 1.75 m high

6 / 44

When using a blowtorch to joint copper tube and fittings in a domestic property, how should a fire extinguisher be made available?

It should be held over the joint while you are using the blowtorch

It should be available in the immediate work area

It should be kept away from the work area in case a spark causes it to explode

It should be available only if a property is occupied

7 / 44

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

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

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

Never use pipe-freezing equipment on plastic pipe

Always work in pairs when using pipe-freezing equipment

8 / 44

What should you do when using a blowtorch near to timber?

Carry out the work, taking care not to set fire to the timber

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 in the immediate work area

Wet the timber first and have a bucket of water handy

9 / 44

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

Arrangements must be made with the forklift truck driver

A permit to work must be issued

10 / 44

How should extension leads 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 laid out in the shortest, most convenient route

They should be located so as to prevent a tripping hazard

11 / 44

What is the safest way to move a cast iron boiler some distance?

Drag it

Get a workmate to carry it with you

Use a trolley or other manual handling aid

Roll it end-over-end

12 / 44

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

Find some cable and extend the wiring yourself

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

13 / 44

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

Check that the access hatch has been closed to prevent falls of personnel, tools or equipment

Check that the brakes are locked on

Check that the tower does not rock or wobble

Check for overhead power lines

14 / 44

How are legionella bacteria passed on to humans?

Through contact with the skin

By drinking dirty water

From other people when they sneeze

Through fine water droplets, such as sprays or mists

15 / 44

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

By the main contractor

By a permit to work system

By those who are working in it

By a site security operative

16 / 44

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

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

The restraint mechanism is spread to its full extent

Your supervisor has positioned and erected the steps

It has a tool tray towards the top of the steps

17 / 44

What is edge protection designed to do?

Prevent the fall of people and materials

Prevent rainwater running off the roof onto workers below

Secure tools and materials close to the edge

Make access to the roof easier

18 / 44

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

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

Push it back into the plug and carry on working

Take the plug apart and carry out a repair

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

19 / 44

What should folding stepladders be used for?

Short-term work

General access on site

All site activities where a straight ladder cannot be used

Getting on and off mobile towers

20 / 44

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

In another room

In a stairwell

Outside the building

In a riser

21 / 44

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

It is provided for guidance only

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

It is the maximum safe working load

It may be exceeded by no more than 25%

22 / 44

What is the safest method of transporting long lengths of copper pipe by van?

Using a pipe rack fixed to the roof of the van

Putting the pipes inside the van with the ends out of the passenger window

Tying the pipes to the roof with copper wire

Someone holding the pipes on the roof rack as you drive along

23 / 44

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

The height recommended by the manufacturer

There is no recommended height

12 m

24 / 44

During a job you may need to work below a ground-level suspended timber floor. What is the most important question you should ask?

Can the work be performed from outside?

Will temporary lighting be used?

Could Weil's disease (leptospirosis) be a problem?

How many days will the work take to complete?

25 / 44

If you find a dangerous gas fitting that is likely to cause a death or specified injury, who must be sent a formal report?

The Health and Safety Executive (HSE)

The gas board

The client

The health and safety manager

26 / 44

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

Remove just enough lagging to carry out the work

Wet the lagging but leave it in place

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

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

27 / 44

When carrying a ladder on a vehicle, what is the correct way of securing the ladder to the roof rack?

Ladder clamps

Rope

Copper wire

Bungee elastics

28 / 44

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

110-volt electrical drill

Battery-powered rechargeable drill

Electric kettle

110-volt portable halogen light

29 / 44

What personal protective equipment (PPE) should you wear when using a hammer drill to drill a 100 mm diameter hole through a brick wall?

Ear defenders, breathing apparatus and barrier cream

Barrier cream, boots and respiratory protective equipment

Ear defenders, respiratory protective equipment, boots and eye protection

Gloves, breathing apparatus and boots

30 / 44

What must you ensure before using a ladder?

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

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

31 / 44

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

Overhead service cables

Cable trays

Water pipes

False ceilings

32 / 44

Who can solder a fitting on an isolated copper gas pipe?

A plumber

A Gas Safe registered engineer

A pipefitter

A skilled welder

33 / 44

When drilling a hole for a boiler flue outside, which type of working platform should you use?

A mobile tower or fixed scaffold

Borrowed scaffolding that you have erected

A long ladder

Packing cases to stand on

34 / 44

Why is temporary continuity bonding carried out before removing and replacing sections of metallic pipework?

To provide a continuous earth for the pipework installation

To maintain the live supply to the electrical circuit

To prevent any chance of blowing a fuse

To prevent any chance of corrosion to the pipework

35 / 44

What must be clearly marked on all lifting equipment?

The specification of material from which it is made

The name of the manufacturer

The safe working load

The next test date

36 / 44

When must you 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

37 / 44

Which type of power drill is most suitable for fixing a run of pipework outside in wet weather?

Any mains voltage drill with a power breaker

Drill with 110-volt power supply

Drill with 240-volt power supply

Battery-powered drill

38 / 44

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

A risk assessment must be carried out

A weather forecast must be obtained

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

39 / 44

What would you use to find out whether a wall into which you are about to drill contains an electric supply?

A multimeter

A hammer and chisel

A neon screwdriver

A cable tracer

40 / 44

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

With all valves and switches clearly labelled

With all valves and switches turned on and ready to use

With all valves and switches locked off

With all valves and switches turned off

41 / 44

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

In a locked cellar with clear warning signs

Within a secure storage container at the back of the site

Covered by a tarpaulin to shield the compressed cylinder from sunlight

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

42 / 44

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

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

Keep people out of the area and inform your supervisor

43 / 44

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

Screens

A hi-vis vest

Warning notices

A fire extinguisher

44 / 44

If you are carrying out hot works with a blowtorch, when should you stop using it?

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

Your score is

The average score is 92%

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