Basic Mechanical Engineering Quiz

What is a machine?

• A device that performs a specific task

• A device that only transports energy

• A device that only reduces friction

• A device that only transmits power

What is the function of ball bearings?

• To increase speed

• To reduce friction

• To transmit power

• To change direction

Where are gears commonly used?

• In bicycles

• In telephones

• In watches and automobiles

• In water bottles

What is the purpose of brakes in mechanical engineering?

• To increase speed

• To transmit power

• To stop or slow down a moving object

• To change direction

What is the difference between the material of a nut bolt and a knife?

• They are both made of wood

• They are made of the same material

• The strength required for each is different

• They are both made of plastic

What is casting in manufacturing?

• Cutting metal sheets

• Joining two metals together

• Pouring liquid metal into a mold to form a shape

• Creating a cylindrical hole

What is hot forging?

• Making a spring at high temperature

• Joining two metals together

• Pouring liquid metal into a mold

• Cutting metal sheets

What is the purpose of welding?

• To cut metal sheets

• To form a shape from a metal sheet

• To join two metals together

• To create a cylindrical hole

What is drilling?

• Making a spring at high temperature

• Joining two metals together

• Pouring liquid metal into a mold

• Creating a cylindrical hole using a drill bit

What is the function of a chain drive in a bicycle?

• To reduce friction

• To transmit power

• To stop the bicycle

• To change direction