MDE 17 End of Unit Quiz

MDE 17 End Of Unit Quiz

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Question 3:
How might increased oil temperature affect the fluid coupling's torque transmission capability?

B) It will decrease torque transmission capability due to reduced fluid viscosity

C) It will have no effect on torque transmission capability

A) It will increase torque transmission capability due to reduced fluid resistance

D) It will double the torque transmission capability

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

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

A) To regulate fluid temperature

B) To convert rotational motion into hydraulic pressure

D) To filter contaminants from the coupling fluid

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Question 3:
With reference to fluid couplings for the main propulsion shaft, what is an advantage regarding vibration damping?

A) Increased vibration transmission to the shaft

C) Reduced overall system efficiency

B) Enhanced vibration damping capability

D) Increased risk of engine stall

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

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

D) It doubles the life expectancy by reducing operational stress

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

B) It has no effect on the life expectancy

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Question 3:
Which component in a fluid coupling helps to maintain a controlled amount of coupling fluid and manage its flow?

C) Gearbox

B) Impeller

D) Hydraulic pump

A) Stator

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

A) Increase the speed of the input shaft

D) Use a higher-viscosity oil

B) Reduce the flow rate of the cooling fluid

C) Improve the cooling system to manage oil temperature

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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?

D) Complex control mechanisms

A) Increased wear on the engine components

C) Automatic slip during overload conditions

B) Reduced power transmission capability

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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?

D) Clutch plate

C) Torque converter

B) Impeller

A) Gearbox casing

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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

C) It regulates the engine speed

B) It provides a sealed environment for the coupling fluid

D) It serves as a cooling fan for the engine

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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

D) Replace the fluid coupling with a new one

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

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Question 3:
What is a likely consequence of angular misalignment in a fluid coupling system in terms of efficiency?

C) No change in operational efficiency

D) Increased fluid efficiency due to better alignment

A) Increased operational efficiency due to balanced load

B) Decreased operational efficiency due to uneven torque distribution

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