MDE 19 End of Unit Quiz

MDE 19 End Of Unit Quiz

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

C) To monitor gearbox vibration

A) To regulate the air temperature

D) To lubricate the clutch mechanism

B) To prevent air pressure build-up

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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

A) Air compressor

B) Pneumatic actuator

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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?

D) Oil mist detector

A) Temperature sensor

B) Pressure relief valve

C) Speed governor

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Question 1:
With reference to pneumatic clutches used for medium-speed main propulsion purposes, what is the primary function of the pneumatic system in the clutch operation?

D) To adjust the speed of the engine directly

A) To provide lubrication to the clutch plates

B) To engage and disengage the clutch by controlling the air pressure

C) To cool the clutch plates and prevent overheating

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

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

A) It increases the friction between the clutch plates

C) It cools down the clutch plates

D) It improves the alignment of the clutch plates

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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

A) Increased engagement force leading to smoother clutch operation

C) No impact on clutch performance

D) Improved clutch performance and responsiveness

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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

A) Improved clutch engagement and reduced slippage

B) Increased clutch life and smoother operation

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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?

C) To cool the clutch system

D) To filter the air used in the clutch

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

A) To adjust the engine speed directly

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

B) Radial tyres

C) Clutch disc

A) Pneumatic cylinder

D) Pressure plate

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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?

D) Clutch temperature gauge

C) Oil level sensor

A) Emergency stop button

B) Manual override system

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Question 4:
Which of the following is a typical advantage of using an air-operated radial tyre type clutch in a diesel engine propulsion system?

D) Enhanced engine cooling

A) High torque capacity and smooth engagement

B) Reduced fuel consumption

C) Automatic lubrication

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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?

A) Engine temperature and gearbox oil pressure

B) Clutch temperature and air pressure

C) Engine speed and brake system status

D) Clutch disengagement and gearbox alignment

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