Mechanical Gears and Their Functions

What is the main purpose of a mechanical system?

• To store energy.

• To allow objects to function, move, and rotate.

• To generate heat.

• To create light.

What is the primary function of a gear?

• To store electrical energy.

• To transfer power.

• To measure temperature.

• To produce sound.

What is the role of the teeth on a gear?

• To make the gear look decorative.

• To reduce friction.

• To transmit power from the power receiver.

• To absorb shock.

Which type of gear is designed to transfer power between two shafts that are at an angle?

• Spur Gear

• Helical Gear

• Bevel Gear

• Rack and Pinion Gear

What is a primary use of helical gears?

• To change speed from low to high in car drives.

• To transfer power between parallel shafts.

• To reduce noise in gear systems.

• To connect gears at right angles.

What is the main function of a rack and pinion gear?

• To convert rotational motion into linear motion.

• To transmit power between intersecting shafts.

• To reduce friction in mechanical systems.

• To increase the speed of rotation.

What is the primary purpose of a miter gear?

• To change the direction of power transmission.

• To increase the torque of a system.

• To connect parallel shafts.

• To reduce the overall size of a gear system.

What is the primary function of a pulley?

• To generate electricity.

• To make lifting heavy objects easier.

• To measure the weight of objects.

• To connect two stationary objects.

What is the main function of a crankshaft in an engine?

• To open and close engine valves.

• To convert linear motion into rotational motion.

• To store electrical energy.

• To cool down the engine.

What is the main purpose of a ball bearing?

• To increase friction between moving parts.

• To generate heat in machinery.

• To reduce friction and smooth movement.

• To connect electrical circuits.