Welcome to The Formative Assessment – Session 1
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What is the proper angle for holding an angle grinder when grinding?
Which technique should you use when operating a brush cutter?
When using a concrete vibrator, what is the recommended spacing for proper compaction?
Which of the following is a safety precaution when operating a jackhammer?
Before welding, why is it important to clean the metal surfaces?
What is the primary cost benefit of using power hand tools over manual hand tools in construction work?
How do power hand tools contribute to reducing the labour force required on a construction site?
What is one major advantage of using power tools for repetitive tasks compared to hand tools?
While power tools have a higher initial cost, what makes them a more cost-effective option in the long term?
What is a key safety benefit of using power tools over hand tools, particularly for repetitive tasks?
Scenario 1: Operating an Angle Grinder on a Metal Surface
Scenario:
You are working on a construction site and need to cut through a thick metal pipe using an angle grinder. After selecting the appropriate cutting disc, you position the grinder and begin the task. Midway through the process, you notice sparks flying toward your face shield and feel some vibration in your hands.
What should you do to ensure safe and efficient completion of this task?
(Select All Answers that Apply)
Scenario 2: Using a Concrete Vibrator for a Foundation Pour
Scenario:
You are tasked with vibrating freshly poured concrete for a building foundation. The concrete has been spread evenly in the formwork, and you are using a handheld concrete vibrator. While vibrating the concrete, you notice large air bubbles rising to the surface in some areas, while other sections seem undisturbed.
What should you do to achieve proper compaction of the concrete?
Scenario 3: Power Drill vs Hand Drill on a Construction Site
Scenario:
You are working on a construction project that requires drilling multiple holes into a concrete wall. You have the option to use a hand drill or a power drill. The site foreman expects the task to be completed within a short period, and the project is already behind schedule.
What is the most cost-effective and efficient choice for completing this task?
Scenario 4: Breaking Concrete with a Jackhammer vs Sledgehammer
Scenario:
You are tasked with breaking up a large concrete slab for removal on a construction site. You have two tools available: a sledgehammer and a pneumatic jackhammer. The project manager wants the job done quickly, but you are concerned about safety and minimizing fatigue.
Which tool would be the best choice in terms of efficiency and reducing physical strain?