Lubricating system wrong and mixed

Lubricating system wrong and mixed

Professional Development

11 Qs

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Lubricating system wrong and mixed

Lubricating system wrong and mixed

Assessment

Quiz

Specialty, Special Education

Professional Development

Practice Problem

Medium

Created by

Миленна Кара

Used 6+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Most of the world’s deep sea trading vessels are powered by:

High speed four stroke engines

Steam turbines

Medium speed 4 stroke engines

Slow speed two stroke engines

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the cross head bearing on two stroke diesel engine is difficult to lubricate?

Water can get through from the rudder

  The connecting rod stops adequate lubrication reaching the surfaces

Oscillating movement prevents a dynamic oil film being formed

It is very large and heavy

 

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  How fast does a slow speed 2 stroke engine go?

10-30 rpm

500-800 rpm

30-50 rpm

  18-300 rpm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary fuel source for most deep sea trading vessels?

Electricity

Coal

Diesel

LNG

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what speed does a medium speed 4 stroke engine typically operate?

100-300 rpm

500-800 rpm

30-50 rpm

10-20 rpm

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main challenge in lubricating the cross head bearing on a two stroke diesel engine?

Water ingress from the propeller

The large size and weight of the bearing

Oscillating movement preventing proper oil film formation

Excessive heat generation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the cooling system on a ship's engine?

Generate electricity

Regulate fuel consumption

Remove excess heat from the engine

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