CSCS Ductwork Mock Test

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Specialists Test

HVACR - Ductwork

1 / 45

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

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

2 / 45

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

3 / 45

You have to carry out a job over a few days on the flat roof of a two-storey building, about 1 m from the edge of the roof, which has a low parapet. How should you reduce your risk of falling?

Use a full body harness, lanyard and anchor while doing the job

Get your mate to do the work, while you hold on to them

Carry on with the job, provided that you don't get dizzy with heights

Ask for double guard-rails and a toe-board to be installed

4 / 45

When carrying out solvent welding on plastic ductwork, what particular safety measure must be applied?

A hard hat must be worn

It must be done in daylight

The area must be well ventilated

The supervisor must be present

5 / 45

Which of the following do you not need to do before using a cleaning agent or biocide in a ductwork system?

Read the COSHH assessment for the material, carry out a risk assessment and produce a method statement for the work

Consult the building occupier

Ask for advice from the cleaning agent or biocide manufacturer

Check what the ductwork will carry in the future

6 / 45

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

In a riser

In a stairwell

Outside the building

In another room

7 / 45

What is the best form of access to use, when installing a run of ceiling-mounted ductwork across a large open space?

Mobile tower

Metal trestles

Stepladder

Wooden trestles

8 / 45

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

Only when drilling overhead

Only when drilling through concrete

Only when the drill bit exceeds 20 mm

Always, whatever the circumstances

9 / 45

How should you leave the area around ductwork after using a solvent-based sealant?

Remove any safety signs or notices

Ensure that the lids are left off tins of solvent

Seal up all the open ends to ensure that dirt cannot get into the system

Leave inspection covers off and erect no smoking signs

10 / 45

When jointing plastic-coated metal ductwork, which of the following methods of jointing presents the most serious risk to health?

Taping

Fixing nuts and bolts

Welding

Riveting

11 / 45

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 never marked on the equipment but kept with the test certificates

It is the absolute maximum safe working load

It is provided for guidance only

12 / 45

What must you ensure before using a ladder?

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

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

13 / 45

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

14 / 45

What is the safest way to move a fan-coil unit some distance?

Drag it

Use a trolley or other manual handling aid

Get a workmate to carry it with you

Roll it end-over-end

15 / 45

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

Find some cable and extend the wiring yourself

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

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

Stop work until an authorised supply has been installed

16 / 45

A person who has been using a solvent-based ductwork sealant is complaining of headaches and feeling sick. What is the first thing you should do?

Make an entry in the accident book

Get them out to fresh air and make them rest

Get them a drink of water and a headache tablet

Let them carry on working but try to keep a close watch on them

17 / 45

How should extension leads in-use on site be positioned?

They should be raised on bricks

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

They should be coiled on a drum or cable tidy

They should be located so as to prevent a tripping hazard

18 / 45

Before taking down a run of ductwork, what is the first thing you should do?

Assess the task to be undertaken and check its support system

Cut through the support rods

Assess the volume of waste and get an appropriate sized skip

Clean the ductwork to remove all dust

19 / 45

When using a material hoist you notice that the lifting cable is frayed. What should you do?

Be very careful when using the hoist

Get the job done as quickly as possible

Do not use the hoist, and report the problem

Straighten out the cable using mole grips

20 / 45

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

By the main contractor

By those who are working in it

By a site security operative

By a permit to work system

21 / 45

What should you do before painting the external surface of ductwork?

Clean the paintbrushes

Put on eye protection

Switch off the system

Read the COSHH assessment

22 / 45

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

Outside the cabin

Under the cabin

23 / 45

If you are removing a run of ductwork in an unoccupied building and notice a hypodermic syringe behind it, what should you do?

Ensure the syringe is empty, remove it and place it with the rubbish

Wear gloves, break the syringe into small pieces and flush it down the drain

Wear gloves, use grips to remove the syringe to a safe place and report your find

Notify the supervisor, cordon off the area and call the emergency services

24 / 45

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

A weather forecast must be obtained

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

A risk assessment must be carried out

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

25 / 45

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

26 / 45

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

Overhead service cables

Cable trays

Water pipes

False ceilings

27 / 45

Where it is necessary to enter ductwork, which are the two main factors that need to be considered?

The cleanliness of the ductwork

What the ductwork will carry in the future

Working in a confined space

Whether you need to wear kneepads

The strength of the ductwork and its supports

28 / 45

Who should carry out leakage testing of a newly installed ductwork system?

The designer

The installation contractor

The property owner

A trained and competent person

29 / 45

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

A fire extinguisher

Warning notices

Screens

A hi-vis vest

30 / 45

What additional control measure must be put in place when welding in-situ galvanised ductwork?

Hearing protection

Fume extraction

Screens

Warning signs

31 / 45

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

Check for overhead power lines

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

Check that the brakes are locked on

32 / 45

If you have to dismantle some waste-extract ductwork, what is the first thing you should do?

Make sure there are enough disc cutters to do the job

Ensure there is a certificate of cleanliness in place before commencing work

Arrange for a skip to put it in

Check that the duct supports are strong enough to cope with the dismantling

33 / 45

Which two of the following should you use when cutting aluminium or tin ductwork that has been pre-insulated with fibreglass?

A hacksaw

A blowtorch

A chisel

A set of tin snips

Respiratory protective equipment

34 / 45

If you are using a genie hoist and notice that part of the hoist is buckling slightly, what should you do?

Carry on with the job, while keeping an eye on the buckling metal

Straighten out the buckled metal and then get on with the lifting operation

Lower the load immediately

Get the job finished quickly

35 / 45

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

Do nothing, as it will eventually soak into the floor

Spread it about to lessen the depth

Warn other people as they tread through it

36 / 45

In addition to a safety helmet and protective footwear, what personal protective equipment (PPE) should you wear when using a hammer drill?

Hearing protection, breathing apparatus and barrier cream

Hearing protection, respiratory protective equipment and eye protection

Gloves and breathing apparatus

Barrier cream and respiratory protective equipment

37 / 45

While fitting a fire damper into a ductwork system you notice that, due to a manufacturing fault, it may not operate properly. What should you do?

Leave it out of the ductwork system altogether

Not fit the damper and report the fault

Install it anyway, as it is

Fix it so that it stays open, and then install it

38 / 45

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

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

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

39 / 45

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

It has a tool tray towards the top of the steps

Your supervisor has positioned and erected the steps

40 / 45

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

110-volt electrical drill

Battery-powered rechargeable drill

110-volt portable halogen light

Electric kettle

41 / 45

Which of the following do you not need to do before cleaning a system in industrial, laboratory or other premises where you might encounter harmful particulates?

Run the system under overload conditions

Examine the system

Collect a sample from the ductwork

Prepare a job-specific risk assessment and method statement

42 / 45

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

In a method statement

In a radio telephone message

Via a notice in the canteen

By verbal instructions

43 / 45

What should folding stepladders be used for?

All site activities where a straight ladder cannot be used

General access on site

Getting on and off mobile towers

Short-term works

44 / 45

What is edge protection designed to do?

Prevent the fall of people and materials

Make access to the roof easier

Prevent rainwater running off the roof onto workers below

Secure tools and materials close to the edge

45 / 45

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

Your score is

The average score is 69%

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