MDE 17 End of Unit Quiz

MDE 17 End Of Unit Quiz

1 / 12

Question 4:
What is the primary function of the coupling fluid in a fluid coupling?

A) To lubricate the gearbox

C) To cool the engine

B) To transfer torque between the engine and the gearbox

D) To clean the turbine

2 / 12

Question 1:
Which of the following is a primary component of a fluid coupling used to connect an engine to a gearbox?

B) Impeller

D) Clutch plate

A) Gearbox casing

C) Torque converter

3 / 12

Question 2:
With reference to fluid couplings for the main propulsion shaft, which of the following is an advantage in terms of engine protection?

A) Increased wear on the engine components

D) Complex control mechanisms

C) Automatic slip during overload conditions

B) Reduced power transmission capability

4 / 12

Question 1:
With reference to fluid couplings for the main propulsion shaft, what is one advantage of using a fluid coupling over a mechanical clutch?

A) Higher maintenance requirements

C) Direct mechanical connection between engine and shaft

D) Reduced fuel efficiency

B) Smooth torque transmission without shock loads

5 / 12

Question 4:
To correct angular misalignment in a fluid coupling system, what is a recommended action?

B) Adjust the alignment of the shafts to the manufacturer’s specifications

D) Replace the fluid coupling with a new one

A) Increase the coupling fluid temperature

C) Increase the coupling speed

6 / 12

Question 2:
How does angular misalignment impact the life expectancy of a fluid coupling?

D) It doubles the life expectancy by reducing operational stress

B) It has no effect on the life expectancy

C) It decreases the life expectancy due to increased wear and tear

A) It increases the life expectancy due to better load distribution

7 / 12

Question 2:
What is a potential consequence of increased oil temperature in a fluid coupling system?

D) Reduced wear and tear on the impellors

C) Greater risk of fluid overheating and damage

B) Improved overall system reliability

A) Decreased risk of cavitation

8 / 12

Question 5:
What is a common feature of the housing in a fluid coupling?

C) It regulates the engine speed

B) It provides a sealed environment for the coupling fluid

D) It serves as a cooling fan for the engine

A) It contains the fuel injection system

9 / 12

Question 3:
With reference to fluid couplings for the main propulsion shaft, what is an advantage regarding vibration damping?

A) Increased vibration transmission to the shaft

B) Enhanced vibration damping capability

C) Reduced overall system efficiency

D) Increased risk of engine stall

10 / 12

Question 3:
How might increased oil temperature affect the fluid coupling's torque transmission capability?

B) It will decrease torque transmission capability due to reduced fluid viscosity

D) It will double the torque transmission capability

C) It will have no effect on torque transmission capability

A) It will increase torque transmission capability due to reduced fluid resistance

11 / 12

Question 1:
With reference to fluid couplings, what is the primary effect of increased oil temperature on the performance of the coupling?

D) Enhanced cooling and lubrication

B) Increased efficiency of power transfer

C) Reduced viscosity and potential slippage

A) Improved torque transmission

12 / 12

Question:
With reference to fluid couplings, what is the effect of increasing oil flow between the impellors?

D) Greater risk of fluid overheating and system failure

B) Increased speed difference between the input and output shafts

C) Enhanced torque transmission and reduced slip

A) Decreased torque transmission efficiency

Your score is