MDE 19 End of Unit Quiz

MDE 19 End Of Unit Quiz

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Question 4:
Which protection device helps to ensure that the pneumatic clutch operates correctly and safely in the event of an air pressure failure?

A) Emergency stop button

D) Clutch temperature gauge

C) Oil level sensor

B) Manual override system

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Question:
With reference to pneumatically operated friction clutches, what is the effect of angular misalignment?

A) Improved engagement and smoother operation

B) Increased risk of friction pad wear and potential clutch slippage

D) Reduced friction pad temperature and decreased noise

C) Enhanced torque transmission and longer clutch life

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Question:
With reference to pneumatically operated friction clutches, what is the effect of reduced air pressure?

D) Improved clutch performance and responsiveness

A) Increased engagement force leading to smoother clutch operation

C) No impact on clutch performance

B) Decreased engagement force causing incomplete clutch engagement or slippage

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Question 5:
In the context of a reduction gearing and pneumatic clutch system, which device is used to monitor and protect against abnormal vibration?

C) Pressure gauge

B) Flow meter

D) Speed sensor

A) Vibration sensor

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Question 2:
In a reduction gearing and pneumatic clutch arrangement, which protection device is commonly used to avoid damage from excessive torque?

B) Torque limiter

D) Gearbox oil filter

C) Air pressure regulator

A) Clutch slip indicator

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Question 1:
In a diesel engine propulsion system, what is the primary function of an air-operated radial tyre type clutch?

D) To filter contaminants from the engine oil

A) To convert hydraulic power into mechanical power

C) To regulate the engine temperature

B) To engage or disengage the engine from the propulsion system

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Question 5:
What is the effect of a loss of air pressure in an air-operated radial tyre type clutch?

D) The engine speed will increase

A) The clutch may become stuck in the engaged position

C) The clutch will automatically disengage

B) The engine will automatically shut down

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Question:
With reference to pneumatically operated friction clutches, what is the effect of distorted friction pads?

C) Uneven engagement leading to vibration and potential clutch slippage

D) Enhanced power transmission and increased efficiency

B) Increased clutch life and smoother operation

A) Improved clutch engagement and reduced slippage

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Question 3:
How does the release of air pressure affect the operation of a pneumatic clutch?

C) It cools down the clutch plates

A) It increases the friction between the clutch plates

B) It decreases the engagement force, leading to clutch disengagement

D) It improves the alignment of the clutch plates

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Question 3:
What is the purpose of a pressure relief valve in the pneumatic clutch system of a propulsion setup?

D) To lubricate the clutch mechanism

A) To regulate the air temperature

B) To prevent air pressure build-up

C) To monitor gearbox vibration

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Question 5:
What is the effect of a loss of air pressure in an air-operated radial tyre type clutch?

A) The clutch may become stuck in the engaged position

D) The engine speed will increase

B) The engine will automatically shut down

C) The clutch will automatically disengage

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Question:
With reference to pneumatic clutches used for medium-speed main propulsion purposes, how can the clutch be engaged in the event of a failure of the control system?

B) Replace the pneumatic actuator with a hydraulic actuator

A) Manually adjust the clutch plates using a mechanical lever

C) Engage the clutch using a manual override mechanism or emergency procedure

D) Increase the air pressure to the clutch system to force engagement

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