#1
Which type of PPE is commonly used to protect the head from struck-by hazards?
Hard hat
ExplanationProtects the head from impact and falling objects.
#2
What is the primary purpose of a safety barricade in a construction site?
To warn and limit access
ExplanationAlerts and restricts entry to prevent accidents.
#3
What is the recommended distance for maintaining a safe clearance zone around operating heavy equipment?
10 feet
ExplanationEnsures safety by keeping a secure distance from active machinery.
#4
In construction site safety, what is the primary purpose of using high-visibility clothing?
To make workers easily visible and identifiable
ExplanationEnhances worker visibility to prevent accidents and improve identification.
#5
What does the term 'ground engaging tools' refer to in the context of construction equipment?
Tools used for digging and excavating
ExplanationImplements designed for soil penetration and excavation tasks.
#6
Which of the following is an example of a struck-by hazard?
Being hit by a falling object
ExplanationRisk of injury from objects falling from heights.
#7
What should workers do before operating heavy equipment on a construction site?
Conduct pre-operational checks
ExplanationEnsures equipment is safe and functioning properly.
#8
What does the term 'blind spot' refer to in the context of construction site safety?
An area where a person's vision is obstructed
ExplanationLocations where visibility is limited, posing risks.
#9
When should a safety harness be used on a construction site?
When working at heights and fall hazards are present
ExplanationPrevents falls and ensures worker safety at elevated locations.
#10
Which of the following is an example of a preventive measure to reduce struck-by hazards in a construction site?
Wearing appropriate PPE
ExplanationPersonal Protective Equipment (PPE) minimizes risks of injury.
#11
In the hierarchy of controls, which measure is considered the most effective for preventing struck-by hazards?
Engineering controls
ExplanationPhysical modifications to eliminate or minimize hazards.
#12
What is the purpose of a tagline when lifting and moving loads with a crane?
To control the swinging of the load
ExplanationPrevents load rotation and ensures controlled movement.
#13
Which type of struck-by hazard is associated with uncontrolled release of stored energy, such as a snapped cable or a burst hydraulic hose?
Projectile hazard
ExplanationRisks from released energy causing objects to become projectiles.
#14
What is the purpose of toe boards on scaffolding in construction sites?
To prevent tools from falling
ExplanationBarrier to stop tools and objects from falling off elevated platforms.
#15
Which of the following is an example of a mobile struck-by hazard on a construction site?
A moving vehicle
ExplanationDangers posed by moving vehicles within the construction area.