2024 Construction HSC Multiple Choice

Why are blue and white safety signs used on construction work sites?

• To show danger

• To highlight prohibited actions

• To indicate mandatory requirements

• To signify that caution needs to be taken

What type of hammer should be used to remove nails from timber?

• Claw

• Lump

• Sledge

• Warrington

A hacksaw is primarily used for cutting

• glass panels to size.

• metal rods to length.

• curves in manufactured boards.

• rubber flooring before installation.

What would be the most appropriate tool for an individual worker to measure the vertical distance from floor to ceiling of a 2.4 m high internal wall?

• 1-metre rule

• Tape measure

• Trundle wheel

• Builder’s square

A construction detail drawing is shown.
What scale is most suited for the construction detail drawing?

(This was displayed as the full width of an A4 page)

• 1 : 10

• 1 : 50

• 1 : 100

• 1 : 200

When an operator notices that the electrical safety tag on a power tool is missing, what action must they take?

• Report the issue to a supervisor or site manager

• Assume the tag fell off and continue using the tool

• Remove all other safety features for better visibility

• Use the tool more cautiously until the safety tag has been replaced

In the communication process, the first role of the sender is to

• receive feedback.

• filter the message.

• decode the message.

• transmit the message.

What is the recommended method for extinguishing a small flammable liquid fire on clothing worn by a person?

• Wrapping the person with a fire blanket

• Pouring a bucket of sand over the flames

• Pouring a bucket of water over the flames

• Using a foam fire extinguisher on the person

A trench with the following dimensions is to be dug: 4.2 m length, 0.9 m width and 1600 mm depth.

What is the volume of soil to be removed?

• 0.0648 m3

• 6.048 m3

• 6048 m3

• 60 480 m3

How does the use of recycled concrete contribute to sustainability in the construction industry?

• It adds to construction costs

• It reduces the demand for new raw materials.

• It increases the demand for new raw materials.

• It is a renewable material and has no negative impact on the environment.