MDE 19 End of Unit Quiz

MDE 19 End Of Unit Quiz

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Question 2:
How is the engagement of an air-operated radial tyre type clutch typically controlled?

C) By monitoring the engine temperature

A) By adjusting the engine speed

D) By manually operating a lever

B) By varying the air pressure supplied to the clutch

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

D) It improves the alignment of the clutch plates

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

C) It cools down the clutch plates

A) It increases the friction between the clutch plates

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Question 1:
With reference to a reduction gearing and pneumatic clutch arrangement of a propulsion system, which of the following is a protection device typically fitted to prevent excessive gearbox temperatures?

B) Pressure relief valve

C) Speed governor

A) Temperature sensor

D) Oil mist detector

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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?

A) Vibration sensor

C) Pressure gauge

D) Speed sensor

B) Flow meter

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

C) The clutch will automatically disengage

D) The engine speed will increase

A) The clutch may become stuck in the engaged position

B) The engine will automatically shut down

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Question:
With reference to pneumatic clutches used for medium-speed main propulsion purposes, which TWO interlocks are necessary for proper clutch operation?

B) Clutch temperature and air pressure

C) Engine speed and brake system status

D) Clutch disengagement and gearbox alignment

A) Engine temperature and gearbox oil pressure

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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?

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

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

B) Replace the pneumatic actuator with a hydraulic actuator

A) Manually adjust the clutch plates using a mechanical lever

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Question 4:
What is the purpose of the air pressure control system in a pneumatic clutch used in medium-speed main propulsion?

A) To adjust the engine speed directly

C) To cool the clutch system

B) To regulate the engagement and disengagement timing of the clutch

D) To filter the air used in the clutch

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

D) Enhanced power transmission and increased efficiency

B) Increased clutch life and smoother operation

C) Uneven engagement leading to vibration and potential clutch slippage

A) Improved clutch engagement and reduced slippage

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Question 2:
In a pneumatic clutch system, what component is primarily responsible for applying the clamping force to the clutch plates?

D) Flywheel

C) Torque converter

B) Pneumatic actuator

A) Air compressor

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Question 3:
What component in an air-operated radial tyre type clutch provides the frictional force necessary for torque transmission?

C) Clutch disc

D) Pressure plate

A) Pneumatic cylinder

B) Radial tyres

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

B) Decreased engagement force causing incomplete clutch engagement or slippage

D) Improved clutch performance and responsiveness

C) No impact on clutch performance

A) Increased engagement force leading to smoother clutch operation

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