Assessment Test


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1. Heat sinks are most frequently used with___

 
 

2. If the field current of a paralleled AC generator is increased above normal, what will be the net result to the VAR’s and power factor?

 
 

3. The function of a step-down potential transformer is to reduce the load __

 
 

4. A hydrometer is used to measure the ____.

 
 

5. Which of the following devices are protected from being motorized by a reverse-power relay?

 
 

6. A shore power circuit breaker should be closed only ___.

 
 

7. A ‘dead front’ switchboard is one ____.

 
 

8. The use of four diodes, in a full-wave bridge rectifier circuit, will_________.

 
 

9. Part of the insulation of practically all electrical machinery is in the form of organic compounds which contain some amount of __

 
 

10. Motor controllers are seldom troubled by grounds because ___.

 
 

11. If the bearings of an electrical generator are falling more frequently than expected and the lubricating oil is sludging then you should __

 
 

12. Undervoltage trips are frequently installed on switchboard circuit breakers to ___.

 
 

13. On a vessel with turbo-electric drive, which of the following conditions would indicate that the propulsion motor had cut-out from synchronization with the propulsion generator?

 
 

14. Silicon diodes which are designed for a specific reverse breakdown voltage, and are most often used in electronic power supply voltage regulators, are called________.

 
 


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