Air Compressor and Heat Exchanger Components

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Which part of a turbocharger is one of the most critical components?

Top housing (correct)

Suction valve

Connecting rod

Center housing

What is the purpose of the suction valve in an air compressor?

To regulate air flow

To increase thrust to the bearing surface

To minimize thrust to the bearing surface (correct)

To cool the compressor

What is the function of the condenser in a heat exchanger?

To regulate the flow of cooling water

To increase the temperature of the hydraulic fuel

To exchange heat from the hot hydraulic fuel to the cool water (correct)

To heat the cooling water

What is the most likely location where metal erosion problems often occur?

Plates Signup and view all the answers

What is the result of re-rolling tubes that are not leaking when tightening leaking tube joints?

Overheating of the tube wall Signup and view all the answers

What is the term for the accumulation of unwanted material on solid surfaces?

Fouling Signup and view all the answers

What is the purpose of the suction valve in an air compressor?

To allow air flow into the cylinder and prevent back flow Signup and view all the answers

What is the minimum air pressure required by a main air compressor to start the diesel engine?

10 bar Signup and view all the answers

What is the reason why the main air compressor cannot produce enough air when running?

Valve plates are dirty Signup and view all the answers

Where can you find the suction and delivery valves of an air compressor?

Cylinder block Signup and view all the answers

What is the function of the automatic drain in an air compressor?

To remove moisture from the stage cooler Signup and view all the answers

What is the suction filter made up of?

Copper or soft steel with a paper material Signup and view all the answers

What type of repair is made only to relieve the problems or damages of the machineries in a short period of time?

Temporary Repair Signup and view all the answers

One simple method of making a temporary repair of a leaky pipe is to:

Wrap the leaky area with rubber sheet Signup and view all the answers

Which of the following method of repair is made to avoid re-occurrence of the repair problem?

Permanent repair Signup and view all the answers

Which of the following repair methods needs more time to carry out?

Permanent repair Signup and view all the answers

A permanent repair can be possible in which of the following conditions?

Spares/tools needed is on hand Signup and view all the answers

What type of repair would the chief engineer do to secure life and property onboard if a vessel encounters trouble?

Emergency repair Signup and view all the answers

Air Compressor and Heat Exchanger Components

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Questions and Answers

Which part of a turbocharger is one of the most critical components?

What is the purpose of the suction valve in an air compressor?

What is the function of the condenser in a heat exchanger?

What is the most likely location where metal erosion problems often occur?

What is the result of re-rolling tubes that are not leaking when tightening leaking tube joints?

What is the term for the accumulation of unwanted material on solid surfaces?

What is the purpose of the suction valve in an air compressor?

What is the minimum air pressure required by a main air compressor to start the diesel engine?

What is the reason why the main air compressor cannot produce enough air when running?

Where can you find the suction and delivery valves of an air compressor?

What is the function of the automatic drain in an air compressor?

What is the suction filter made up of?

What type of repair is made only to relieve the problems or damages of the machineries in a short period of time?

One simple method of making a temporary repair of a leaky pipe is to:

Which of the following method of repair is made to avoid re-occurrence of the repair problem?

Which of the following repair methods needs more time to carry out?

A permanent repair can be possible in which of the following conditions?

What type of repair would the chief engineer do to secure life and property onboard if a vessel encounters trouble?

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