MDE 19 End of Unit Quiz

MDE 19 End Of Unit Quiz

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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?

A) Temperature sensor

D) Oil mist detector

B) Pressure relief valve

C) Speed governor

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

D) Reduced friction pad temperature and decreased noise

C) Enhanced torque transmission and longer clutch life

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

A) Improved engagement and smoother operation

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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?

A) To provide lubrication to the clutch plates

C) To cool the clutch plates and prevent overheating

D) To adjust the speed of the engine directly

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

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

D) Pressure plate

C) Clutch disc

A) Pneumatic cylinder

B) Radial tyres

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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?

C) Air pressure regulator

B) Torque limiter

D) Gearbox oil filter

A) Clutch slip indicator

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

B) The engine will automatically shut down

C) The clutch will automatically disengage

D) The engine speed will increase

A) The clutch may become stuck in the engaged position

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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

D) Flywheel

B) Pneumatic actuator

A) Air compressor

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With reference to pneumatically operated friction clutches, what is the effect of oil contamination on the friction pads?

B) Decreased friction causing slippage and reduced clutch efficiency

C) No effect on clutch performance

D) Increased wear on the clutch disc and pressure plate

A) Increased friction leading to smoother operation

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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?

C) To regulate the engine temperature

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

A) To convert hydraulic power into mechanical power

D) To filter contaminants from the engine oil

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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?

B) Flow meter

D) Speed sensor

C) Pressure gauge

A) Vibration sensor

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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?

A) Manually adjust the clutch plates using a mechanical lever

B) Replace the pneumatic actuator with a hydraulic actuator

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

D) By manually operating a lever

A) By adjusting the engine speed

B) By varying the air pressure supplied to the clutch

C) By monitoring the engine temperature

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