MDE 17 End of Unit Quiz

MDE 17 End Of Unit Quiz

1 / 12

Question 2:
In a fluid coupling, what role does the turbine play?

D) To filter contaminants from the coupling fluid

A) To regulate fluid temperature

C) To receive fluid flow from the impeller and transmit torque to the gearbox

B) To convert rotational motion into hydraulic pressure

2 / 12

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

C) Greater risk of fluid overheating and damage

D) Reduced wear and tear on the impellors

B) Improved overall system reliability

A) Decreased risk of cavitation

3 / 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

A) Increase the coupling fluid temperature

C) Increase the coupling speed

D) Replace the fluid coupling with a new one

4 / 12

Question 3:
Which component in a fluid coupling helps to maintain a controlled amount of coupling fluid and manage its flow?

D) Hydraulic pump

C) Gearbox

A) Stator

B) Impeller

5 / 12

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

A) It contains the fuel injection system

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

6 / 12

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

C) To cool the engine

B) To transfer torque between the engine and the gearbox

A) To lubricate the gearbox

D) To clean the turbine

7 / 12

Question 3:
What is a likely consequence of angular misalignment in a fluid coupling system in terms of efficiency?

A) Increased operational efficiency due to balanced load

B) Decreased operational efficiency due to uneven torque distribution

D) Increased fluid efficiency due to better alignment

C) No change in operational efficiency

8 / 12

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

C) It will have no effect on torque transmission capability

D) It will double the torque transmission capability

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

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

9 / 12

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

B) Increased efficiency of power transfer

A) Improved torque transmission

C) Reduced viscosity and potential slippage

D) Enhanced cooling and lubrication

10 / 12

Question 4:
To mitigate the effects of high oil temperature in a fluid coupling system, what action might be taken?

B) Reduce the flow rate of the cooling fluid

A) Increase the speed of the input shaft

D) Use a higher-viscosity oil

C) Improve the cooling system to manage oil temperature

11 / 12

Question 1:
With reference to fluid couplings, what is a common effect of angular misalignment on the coupling performance?

C) Enhanced cooling of the coupling fluid

D) Excessive vibration and potential damage

B) Increased fluid coupling efficiency

A) Improved torque transmission

12 / 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?

C) Automatic slip during overload conditions

D) Complex control mechanisms

A) Increased wear on the engine components

B) Reduced power transmission capability

Your score is