MDE 19 Q2

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

A) It increases the friction between the clutch plates

D) It improves the alignment of the clutch plates

C) It cools down the clutch plates

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

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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

C) To cool the clutch plates and prevent overheating

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

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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?

C) Torque converter

B) Pneumatic actuator

A) Air compressor

D) Flywheel

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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

A) Manually adjust the clutch plates using a mechanical lever

B) Replace the pneumatic actuator with a hydraulic actuator

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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?

D) Clutch disengagement and gearbox alignment

A) Engine temperature and gearbox oil pressure

C) Engine speed and brake system status

B) Clutch temperature and air pressure

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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?

D) To filter the air used in the clutch

A) To adjust the engine speed directly

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

C) To cool the clutch system

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