MDE 13 End of Unit Quiz

MDE 13 End Of Unit Quiz

1 / 12

Question 5:

In a keel type cooling water system, which component ensures that the engine's freshwater cooling circuit is effectively isolated from the seawater system?

B) Keel Cooler

A) Heat Exchanger

C) Centrifugal Pump

D) Freshwater Pump

2 / 12

Question 4:

To maintain an effective fresh water cooling system treatment program, it is important to:

A) Regularly clean the system to prevent buildup of contaminants

D) Avoid routine checks of chemical levels

B) Use high doses of chemicals sporadically

C) Allow temperature variations without monitoring

3 / 12

Question 1:

Which of the following is the main component of a keel type cooling water system that helps to dissipate heat from the engine?

A) Heat Exchanger

B) Keel Cooler

C) Expansion Tank

D) Centrifugal Pump

4 / 12

Question:

With reference to main engine cooling water systems, what is the primary purpose of the header tank?

C) To filter and remove debris from the cooling water

B) To provide a reservoir for excess coolant and maintain system pressure

D) To regulate the temperature of the seawater entering the cooling system

A) To cool the engine by circulating coolant through the heat exchanger

5 / 12

Question 4:

What is the role of the thermostat in a diesel engine cooling water system?

B) To clean the coolant

C) To increase the pressure in the cooling system

A) To regulate the coolant flow based on temperature

D) To filter out large particles from the coolant

6 / 12

Question 2:

In a keel type cooling water system, which component is used to pump seawater through the keel cooler?

B) Centrifugal Pump

C) Thermostatic Valve

A) Expansion Tank

D) Freshwater Pump

7 / 12

Question 1:

How is the performance of a diesel engine water cooler typically measured?

C) By the temperature difference between the inlet and outlet water

A) By the color of the cooling water

B) By the amount of noise it produces

D) By the size of the cooler unit

8 / 12

Question 3:

Which condition contributes to the effectiveness of a fresh water cooling system treatment program?

C) Relying solely on automatic dosing systems without manual checks

B) Allowing excessive fouling and debris to accumulate in the system

D) Treating the system only when visible problems occur

A) Ensuring the use of treatment chemicals that are compatible with the system

9 / 12

Question 5:

What is the purpose of the cooling water pump in a diesel engine cooling water system?

C) To ensure the circulation of cooling water through the engine and heat exchanger

B) To maintain pressure in the cooling system

A) To mix coolant with additives

D) To remove impurities from the coolant

10 / 12

Question 3:

Which component of the keel type cooling water system is used to manage the pressure and temperature of the coolant?

D) Thermostatic Valve

A) Expansion Tank

B) Keel Cooler

C) Sea Water Strainer

11 / 12

Question 1:

What could be a cause of decreased performance in a diesel engine water cooler?

D) Improperly aligned engine components

A) Increased air pressure in the engine room

B) Clogged or fouled cooling passages

C) High coolant flow rate

12 / 12

Question 1:

What is the primary purpose of the heat exchanger in a typical diesel engine cooling water system?

C) To transfer heat from the engine coolant to the external cooling medium

A) To increase the temperature of the coolant

D) To filter out debris from the cooling water

B) To separate oil from the cooling water

Your score is