Scaffolding and Ladders Safety in Masonry: Online Learning Quizzes

Question 1

What is the fundamental principle of the three-point contact rule for ladders?

Accepted Answer

Maintaining contact with the ladder at all times using three or more points of the body

Answer

Using a ladder equipped with a non-slip base

Answer

Positioning the ladder on a stable and level surface

Question 2

When is it appropriate to utilize a platform ladder for masonry work?

Accepted Answer

When working on elevated surfaces that require extended reach

Answer

For transporting heavy materials

Answer

When working on low walls or curbs

Question 3

To ensure the safe operation of suspended scaffolds, what measures should be implemented?

Accepted Answer

Providing proper training, conducting regular inspections, and implementing fall protection systems

Answer

Limiting usage to short durations

Answer

Avoiding use over water

Question 4

Which of the following is NOT a primary duty of a competent person in charge of scaffolding?

Accepted Answer

Ordering materials for scaffolding construction

Answer

Supervising the erection, dismantling, and inspection of scaffolding

Answer

Ensuring compliance with OSHA regulations

Answer

Educating workers on safe scaffolding practices

Question 5

Which type of scaffolding is specifically designed for chimney maintenance?

Accepted Answer

Chimney jack scaffold

Answer

Trestle scaffold

Answer

Baker scaffold

Answer

Putlog scaffold

Question 6

Which type of scaffolding is commonly used for masonry work, providing a stable and secure platform for workers?

Accepted Answer

Masonry scaffold

Answer

Suspension scaffold

Answer

Wood frame scaffold

Answer

Adjustable scaffold

Question 7

Before using a ladder, it is crucial to inspect which components to ensure its safety and stability?

Accepted Answer

Rungs, side rails, and spreaders

Answer

Ladder feet only

Answer

Base only

Answer

Height only

Question 8

What is the primary purpose of a toeboard on a scaffold?

Accepted Answer

Prevent objects from falling through the gaps, ensuring a safe work surface

Answer

Support the weight of the scaffold

Answer

Secure the scaffold to the building

Answer

Provide a stable base

Question 9

If you notice any damage or defects in a scaffold, what is the recommended course of action to ensure safety?

Accepted Answer

Tag it as unsafe and report it to the appropriate authorities

Answer

Ignore it

Answer

Continue using it cautiously

Answer

Repair it yourself

Question 10

When inspecting a ladder before use, what is the MOST critical element to check for?

Accepted Answer

Cracks, bends, or dents in the rungs or side rails

Answer

Whether the ladder is made of wood, fiberglass, or aluminum

Answer

Cleanliness of the rungs and side rails

Answer

Presence of manufacturer's label and weight limit

Question 11

What is the 4:1 rule when setting up a straight ladder?

Accepted Answer

For every 4 feet of ladder height, the base should be 1 foot away from the wall.

Answer

For every 4 rungs climbed, 1 hand should be on the ladder.

Answer

A ladder should extend 4 feet above the roof edge when accessing a roof.

Question 12

Which of these is a PRIMARY reason for using scaffolding in masonry?

Accepted Answer

To provide a safe working platform at elevated heights.

Answer

To protect the work area from weather conditions.

Answer

To store building materials like bricks and mortar.

Question 13

What type of scaffold is commonly used for bricklaying on a multi-story building?

Accepted Answer

Frame scaffold

Answer

Single-pole scaffold

Answer

Mobile scaffold

Question 14

When working on a scaffold, what safety measure is crucial to prevent falling objects?

Accepted Answer

Installing toe boards on all working levels

Answer

Wearing a safety harness at all times

Answer

Using fall arrest systems anchored to the scaffold

Answer

Ensuring the scaffold is level and plumb

Question 15

What is the MAIN function of a scaffold's guardrail system?

Accepted Answer

To prevent workers from falling off the platform.

Answer

To provide stability and support to the scaffold structure.

Answer

To secure tools and equipment from falling.

Answer

To mark the perimeter of the working area.

Question 16

Before moving a mobile scaffold with materials loaded, what is the MOST important step?

Accepted Answer

Ensure all casters are locked and the scaffold is stable.

Answer

Check that the materials are evenly distributed on the platform.

Answer

Use a spotter to guide the movement and warn others.

Question 17

What should you do if you discover a damaged rung on a ladder during an inspection?

Accepted Answer

Remove the ladder from service and tag it as unsafe.

Answer

Continue using the ladder cautiously, avoiding the damaged rung.

Answer

Attempt to repair the rung using tape or wire.

Question 18

Why is it important to inspect scaffolding regularly?

Accepted Answer

To identify and address potential hazards before they cause accidents.

Answer

To ensure the scaffold is kept clean and organized.

Answer

To check if any tools or equipment have been left behind.

Question 19

Which of these practices is MOST likely to compromise the stability of a scaffold?

Accepted Answer

Modifying the scaffold structure without authorization.

Answer

Using the scaffold during light rain or drizzle.

Answer

Storing materials on the scaffold platform within weight limits.