AUEC2-002 Session 7 Recap

Which of the following is essential for ensuring safety in a workshop environment?

• Leaving tools and equipment scattered around

• Working without proper safety training

• Ignoring safety regulations to speed up production

• Wearing appropriate Personal Protective Equipment and following safety guidelines

What is the primary function of a Vernier caliper?

• To measure temperature

• To measure angles

• To weigh objects

• To accurately measure external and internal dimensions, depths, and step lengths of an object

Which of the following is a common type of welding process used to join metals?

• Explosive welding

• Friction stir welding

• Ultrasonic welding

• All of the above

What is the primary purpose of a risk assessment in a workplace?

• To create unnecessary paperwork

• To assign blame after an accident

• To demonstrate compliance without taking real action

• To identify potential hazards, evaluate the risks, and implement control measures to minimize those risks

What is the most suitable material for manufacturing a lightweight and strong bicycle frame?

• Cast iron

• Wood

• Ceramic

• Aluminium alloy

Which of the following is a type of fit commonly used in engineering to ensure proper assembly of components?

• Clearance fit

• Interference fit

• Transition fit

• All of the above are types of fits used in engineering.

What is the primary function of a milling machine in a workshop?

• To join materials together

• To create holes in materials

• To bend and deform sheet metal

• To remove material from a workpiece using a rotating cutter, creating various shapes and features

What is the purpose of lubrication in mechanical systems?

• To increase friction

• To accelerate wear and tear

• To make machines look shiny

• To reduce friction, wear, and heat generation between moving parts, ensuring smooth operation and prolonging component life

Which of the following is a unit of measurement for pressure?

• Joule

• Watt

• Newton

• Pascal

What is the primary function of a limit switch in an electrical control system?

• To amplify electrical signals

• To store electrical energy

• To generate electricity

• To detect the presence or position of an object, typically to control a machine's operation or to provide safety interlocks