Hydraulic Systems Quiz

What is the main advantage of a hydraulic system?

• They respond slowly once actuated.

• They require less maintenance.

• They eliminate shock hazards.

• They are lightweight.

In a hydraulic system, fluid pressure is converted into useful work by the:

• Actuator

• Pump

• Check valve

• Fluid reservoir

What device is used to prevent contamination in hydraulic systems?

• Filters

• Baffles

• Reservoirs

• Tanks

Which valve allows fluid flow in one direction only?

• Check valve

• Shuttle valve

• Pressure-regulating valve

• Metering valve

Why is a vent used in a hydraulic tank?

• To equalize pressure with the atmosphere

• To filter hydraulic fluid

• To cool the fluid

• To maintain fluid density

What is the purpose of a pressure relief valve in a hydraulic system?

• To release excessive pressure

• To regulate flow rate

• To maintain constant temperature

• To reduce noise

A basic constant displacement hydraulic pump:

• Allows a positive flow to the system

• Provides variable flow

• Operates without a relief valve

• Regulates fluid density

What is used to adjust or control the flow in a hydraulic circuit?

• Flow control valve

• Relief valve

• Pressure-regulating valve

• Selector valve

What system uses a continuous string of ceramic beads for fire detection?

• Fenwal system

• Kidde system

• Halon system

• Carbon sensor

What happens when a fire handle is activated in the cockpit?

• Fuel and hydraulic lines are shut off.

• The landing gear is deployed.

• Airflow to the engine is diverted.

• Electrical circuits are deactivated.