Excavator Knowledge Quiz

What is the 'boom' on an excavator?

• The part that holds the operator’s cabin

• The angled arm attached to the main body of the machine

• The bucket used for digging

• The track system enabling movement

Which part connects the bucket to the arm?

• Hydraulic cylinders

• Dipper or stick

• Engine

• Swing gearbox

What is the purpose of the 'hydraulic cylinders' in an excavator?

• To provide power for the engine

• To create linear mechanical force for movement

• To control the tracks only

• To rotate the cab

The 'house' of an excavator refers to the:

• The main chassis of the machine

• The rotating platform that contains the cab and arm

• The track system

• The hydraulic system

What does the 'undercarriage' support?

• The engine and hydraulic components

• The operator’s cabin

• The tracks and overall stability of the machine

• The boom and arm Assembly

What is typically used to move the excavator’s house around its axis?

• Hydraulic pump

• Slew or swing motor

• Drive motor

• Control levers

Which of the following is NOT a part of the excavator’s main structure?

• The cab

• The boom

• The hydraulic filter

• The house

What does the term 'swing' refer to in an excavator?

• Moving the boom up and down

• Rotating the house around its axis

• Extending the arm forward

• Moving the tracks

Why are hydraulic systems important in an excavator?

• They provide electrical power to the machine

• They control the movement of different parts quickly and efficiently

• They are used only for steering the machine

• They prevent the machine from overheating

Which part is responsible for controlling the movement of the arm and bucket?

• The engine

• Control valves and hydraulic cylinders

• The undercarriage

• The swing gearbox