Pneumatic Systems

Which of the following is NOT a function of pneumatic system on board?

• Chipping of paint

• Sounding of Ship Horn

• For actuation of valves

• Cooling of Main Engine

Which of the following is NOT a function of Air Receiver?

• Dry the compressed air

• Large surface cools the compressed air

• Provide constant air pressure in a pneumatic system regardless of fluctuating consumption

• Separates moisture from air

Tags

NGSS.MS-PS3-3

Why is it necessary to supplying dry compressed air to a remote operated pneumatic valve?

• Wet compressed air may cause malfunction of pneumatic equipment

• Wet compressed air contains sulphur

• Wet compressed air is a fire risk

• Wet compressed air temperature is too low

Which of the following is NOT a poor indication of poor compressed air condition?

• Rapid wear of moving parts in cylinders and valves

• Water drops forming in pipeline

• Fast speed of working elements

• Silencer of valves become dirty

What is a pneumatic system?

• A system that uses liquid to transmit power.

• A system that uses compressed air to transmit power.

• A system that uses electricity to transmit power.

• A system that uses steam to transmit power.

Which of the following is a common application of pneumatic systems?

• Car brakes

• Air brakes in buses and trucks

• Hydraulic lifts

• Water turbines

Pneumatics is concerned with a system that uses:

• Oil

• Expanded air

• Compressed air

• Electricity

Pneumatics is concerned with a system that uses:

• Oil

• Expanded air

• Compressed air

• Electricity

Why is aluminum gaining popularity when choosing materials for pneumatic air system?

• It is non-reactive, good for sensitive air systems

• It is cheaper than steel

• It is heavier than steel

• It offers greater flexibility

What pressurized fluid does a pneumatic system use?

• Liquid

• Gas