Pneumatic Systems Quiz

What is the function of a programmable logic controller (PLC)?

• To control automation.

• To increase weight.

• To operate machine tools.

• To detect human errors.

What is the primary function of a pneumatic and control air distribution system on board?

• Store hydraulic fluid

• Generate electrical power

• Convert heat energy to motion

• Deliver compressed air for machinery operation

Why are filters important in pneumatic systems?

• They control air volume.

• They reduce electrical flow.

• They improve ship speed.

• They remove contaminants.

What is the role of a programmable logic controller (PLC) in an electropneumatic system?

• Store compressed air

• Control automation using pre-programmed logic

• Convert rotary motion into linear motion

• Filter contaminants from compressed air

Which type of industrial robot operates on linear axes?

• Cartesian robot.

• Articulated robot.

• SCARA robot.

• Cylindrical robot.

What type of air distribution line supplies air for general ship operations like cleaning?

• Main control air line

• Backup air line

• Emergency air line

• Service air line

What is the function of directional control valves in a pneumatic system?

• Convert compressed air into linear motion

• Store air pressure for later use

• Direct the airflow to actuators

• Remove moisture from compressed air

What is the primary advantage of pneumatic automation?

• Uses hazardous chemicals

• Requires extensive lubrication

• Fast response time and lightweight operation

• Generates high-pressure oil flow

What is the function of a ballast water management system?

• Filter contaminants

• Store compressed air

• Regulate system pressure

• Control ballast water valves

What type of directional control valve (DCV) is used in double-acting cylinders?

• 5/2-way valve

• 1/1-way valve

• 3/2-way valve

• 2/2-way valve