CD0483. Introduction to two-stroke diesel engines

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CD0483. Introduction to two-stroke diesel engines
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About this collection

The Seagull CBT bank is organised into modules covering safety, shipboard operations, maintenance and other topics. Original module names and codes are retained to help you find the topic you need.

“Seagull CBT — CD0483. Introduction to two-stroke diesel engines” contains 30 questions across 1 collection.

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Sample questions and answers

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What is the fuel delivery pressure before the fuel pump plungers starts to move up? Select the ONE correct answer.

One correct answer

Between 2.5 and 10 bar✓ Correct answer
Between 20 and 100 bar
Between 100 and 200 bar
Between 1 and 2 bar

What is the main purpose of the stuffing box? Select the ONE correct answer.

One correct answer

To prevent leakage of scavenge air into the crankcase✓ Correct answer
To keep the piston rod central
To prevent exhaust gas from leaking into the crankcase
To form a seal around the connecting rod

For the type of engine described in this module, what is the temperature of the air at the end of the compression stroke? Select the ONE correct answer.

One correct answer

Between 100°C and 200°C
Between 200°C and 300°C
Between 400°C and 600°C✓ Correct answer
Between 600°C and 800°C

When does the exhaust process start? Select the ONE correct answer.

One correct answer

Shortly before Bottom Dead Centre✓ Correct answer
Shortly after Bottom Dead Centre
Shortly after Top Dead Centre
Shortly before Top Dead Centre

How is the quantity of fuel injected controlled? Select the ONE correct answer.

One correct answer

By turning the plunger✓ Correct answer
By turning the barrel
By turning the cam
By changing the length of the push rod

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