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Question 1 of 12

1. How are batteries rated?
A.
B.
C.
D.

Question 1 of 12

Question 2 of 12

2. What is the ratingĀ of connected battery bank shown in the diagram below? 

battery question1
A.
B.
C.
D.

Question 2 of 12

Question 3 of 12

3. You notice that brushes on a DC motor are sparking during operation, what is the possible cause?
A.
B.
C.
D.

Question 3 of 12

Question 4 of 12

4. What type of control circuit device would provide low voltage release of a motor?
A.
B.
C.
D.

Question 4 of 12

Question 5 of 12

5. When bonding electrical equipment that contains a layer of paint or other non conductive coating, what needs to be done before installation?
A.
B.
C.
D.

Question 5 of 12

Question 6 of 12

6. What is the function of a rectifier?
A.
B.
C.
D.

Question 6 of 12

Question 7 of 12

7. Core losses in a transformer are due to?
A.
B.
C.
D.

Question 7 of 12

Question 8 of 12

8. What do brushes of a DC generator make contact with?
A.
B.
C.
D.

Question 8 of 12

Question 9 of 12

9. Overloads are designed to protect what?
A.
B.
C.
D.

Question 9 of 12

Question 10 of 12

10. Refer to the diagram below, what is the line voltage? 

3phase voltage delta q
A.
B.
C.
D.

Question 10 of 12

Question 11 of 12

11. A 1500w baseboard heater is turned on for 6 hours, if the cost of electricity per KW/h is 16 cents, what is the total cost of running this heater?
A.
B.
C.
D.

Question 11 of 12

Question 12 of 12

12. What type of power does a Wattmeter read?
A.
B.
C.
D.

Question 12 of 12


 

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