1) What is the unit of electrical current? a) Volt b) Ohm c) Ampere d) Watt 2) Which material is a good conductor of electricity? a) Plastic b) Copper c) Wood d) Rubber 3) What does a circuit breaker do in an electrical system? a) Increases current b) Protects against overloads c) Measures voltage d) Converts AC to DC 4) Which of these is a type of electrical circuit? a) Series b) Parallel c) Both a and b d) Neither a and b 5) What tool is commonly used for making straight cuts in wood? a) Hammer b) Chisel c) Handsaw d) Plane 6) What is a dowel used for in joinery? a) Strengthening joints b) Sanding surfaces c) Measuring angles d) cutting wood 7) Which joint is the strongest in woodwork? a) Butt joint b) Mortise and tenon joint c) Dovetail joint d) lap joint 8) What is the purpose of a clamp in joinery? a) To cut wood b) To hold pieces together during gluing c) To measure dimensions d) To apply finish 9) What is the main purpose of a lathe machine? a) Drilling holes b) Shaping materials by rotation c) Joining materials d) Measuring dimensions 10) Which of these is an example of a ferrous metal? a) Aluminum b) Copper c) Steel d) Brass 11) What is a jig used for in manufacturing? a) Holding workpieces in place b) Painting surfaces c) Heating materials d) Polishing materials 12) Which process involves melting a material to join two parts together? a) Welding b) Casting c) Machining d) Forging

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