MDE 17 End of Unit Quiz

MDE 17 End Of Unit Quiz

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Question 4:
To mitigate the effects of high oil temperature in a fluid coupling system, what action might be taken?

B) Reduce the flow rate of the cooling fluid

A) Increase the speed of the input shaft

C) Improve the cooling system to manage oil temperature

D) Use a higher-viscosity oil

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Question 2:
In a fluid coupling, what role does the turbine play?

B) To convert rotational motion into hydraulic pressure

D) To filter contaminants from the coupling fluid

C) To receive fluid flow from the impeller and transmit torque to the gearbox

A) To regulate fluid temperature

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Question 2:
How does angular misalignment impact the life expectancy of a fluid coupling?

D) It doubles the life expectancy by reducing operational stress

B) It has no effect on the life expectancy

A) It increases the life expectancy due to better load distribution

C) It decreases the life expectancy due to increased wear and tear

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Question 1:
With reference to fluid couplings for the main propulsion shaft, what is one advantage of using a fluid coupling over a mechanical clutch?

C) Direct mechanical connection between engine and shaft

D) Reduced fuel efficiency

B) Smooth torque transmission without shock loads

A) Higher maintenance requirements

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Question 2:
With reference to fluid couplings for the main propulsion shaft, which of the following is an advantage in terms of engine protection?

C) Automatic slip during overload conditions

A) Increased wear on the engine components

B) Reduced power transmission capability

D) Complex control mechanisms

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Question 4:
What is the primary function of the coupling fluid in a fluid coupling?

C) To cool the engine

D) To clean the turbine

B) To transfer torque between the engine and the gearbox

A) To lubricate the gearbox

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Question 4:
To correct angular misalignment in a fluid coupling system, what is a recommended action?

C) Increase the coupling speed

A) Increase the coupling fluid temperature

B) Adjust the alignment of the shafts to the manufacturer’s specifications

D) Replace the fluid coupling with a new one

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Question 1:
Which of the following is a primary component of a fluid coupling used to connect an engine to a gearbox?

B) Impeller

C) Torque converter

A) Gearbox casing

D) Clutch plate

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Question 1:
With reference to fluid couplings, what is the primary effect of increased oil temperature on the performance of the coupling?

D) Enhanced cooling and lubrication

A) Improved torque transmission

B) Increased efficiency of power transfer

C) Reduced viscosity and potential slippage

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Question 2:
What is a potential consequence of increased oil temperature in a fluid coupling system?

B) Improved overall system reliability

D) Reduced wear and tear on the impellors

C) Greater risk of fluid overheating and damage

A) Decreased risk of cavitation

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Question 1:
With reference to fluid couplings, what is a common effect of angular misalignment on the coupling performance?

D) Excessive vibration and potential damage

C) Enhanced cooling of the coupling fluid

B) Increased fluid coupling efficiency

A) Improved torque transmission

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Question 5:
What is a common feature of the housing in a fluid coupling?

A) It contains the fuel injection system

D) It serves as a cooling fan for the engine

C) It regulates the engine speed

B) It provides a sealed environment for the coupling fluid

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