MDE 13 End of Unit Quiz

MDE 13 End Of Unit Quiz

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Question 3:

What impact does a malfunctioning thermostat have on the performance of a diesel engine water cooler?

B) Increases the temperature drop across the cooler

A) Improves coolant flow rate

D) Enhances the heat exchange process

C) Decreases the effectiveness of temperature regulation

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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?

B) Keel Cooler

D) Centrifugal Pump

C) Expansion Tank

A) Heat Exchanger

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Question:

Which of the following safety considerations is most important when handling inhibitors used in cooling systems?

C) Storing inhibitors in an open container to facilitate ventilation

B) Ensuring inhibitors are mixed with the fuel before use

A) Wearing personal protective equipment (PPE) such as gloves and goggles

D) Ignoring the manufacturer's instructions for handling and storage

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Question 1:

Which of the following is a key condition for the effectiveness of a fresh water cooling system treatment program?

B) Using only generic chemicals without consideration for compatibility

C) Irregular maintenance and cleaning of the cooling system

A) Periodic chemical analysis and adjustment of treatment levels

D) Ignoring temperature control in the system

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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

C) Sea Water Strainer

A) Expansion Tank

B) Keel Cooler

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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

D) To filter out large particles from the coolant

A) To regulate the coolant flow based on temperature

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Question 2:

Which instrument is commonly used to measure the temperature difference across a diesel engine water cooler?

C) Flow meter

B) Pressure gauge

A) Thermometer

D) Thermocouple or temperature sensor

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Question 2:

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

C) Thermostatic Valve

B) Centrifugal Pump

A) Expansion Tank

D) Freshwater Pump

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Question 5:

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

D) To remove impurities from the coolant

B) To maintain pressure in the cooling system

A) To mix coolant with additives

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

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Question 1:

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

A) Increased air pressure in the engine room

B) Clogged or fouled cooling passages

C) High coolant flow rate

D) Improperly aligned engine components

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Question 2:

What is a necessary condition for ensuring proper treatment of a fresh water cooling system?

C) Using a one-size-fits-all approach to chemical treatment

B) Frequent replacement of system components regardless of condition

D) Neglecting system cleanliness

A) Regular monitoring and maintenance of the system’s temperature

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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

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