Question 1: Define 'mechanical work' and provide one practical example of where it is applied in industry.

Answer: Mechanical work involves the transfer of energy through force applied over a distance. An example is a crane lifting heavy loads in a construction site.

Question 2: Explain the difference between 'manual work' and 'automated work' with suitable examples.

Answer: Manual work is performed by humans using physical effort, such as carpentry. Automated work is carried out by machines or robots, like assembly line robots in manufacturing.

Question 3: Describe how electrical work is used in everyday household applications. Give at least two examples.

Answer: Electrical work involves the use of electrical energy to power devices. Examples include lighting systems and home appliances like refrigerators.

Question 4: Sketch a simple diagram showing a basic electrical circuit that includes a power source, a switch, and a light bulb. Label each component.

Answer: A correct sketch should show a battery (power source), a switch that can open or close the circuit, and a light bulb connected in series. Labels should clearly identify each part.

Question 5: Identify and explain two safety precautions that must be taken when performing electrical work.

Answer: 1. Turning off the power supply before starting work to prevent electric shocks. 2. Using insulated tools to avoid accidental contact with live wires.

Question 6: Discuss how computer-aided design (CAD) has changed the way applications are developed in the engineering industry.

Answer: CAD allows engineers to create precise digital models of products, enabling easier modifications, faster prototyping, and improved accuracy compared to traditional hand-drawing methods.

Question 7: Draw a simple flowchart illustrating the steps involved in preparing a work area before starting a project.

Answer: A correct flowchart would include steps such as: 1. Clear the work area, 2. Gather necessary tools and materials, 3. Check safety equipment, 4. Set up work station, 5. Confirm safety procedures are in place.

Question 8: Explain why effective application of work skills is important for success in vocational tasks.

Answer: Effective application of work skills ensures tasks are completed accurately, efficiently, and safely, leading to higher quality outcomes and increased employability.

Question 9: Give two examples of how technology has improved the application of work in the manufacturing sector.

Answer: 1. Introduction of robotics for precise assembly tasks. 2. Use of automation systems for quality control and inventory management.