ECC TEST 3 QUESTIONS AND ANSWERS
1. Power in equals power out..?- Answer - Rule of thumb
2. Core provides a path for the ?- Answer - Magnetic of flux
3. Transformer core depend on what?- Answer - Voltage, current, frequency
4. What are the main two shapes used in laminated-steel-core transformers?- Answer - -
Hollow core and shell core
5. Secondary winding receives energy from the primary winding and delivers
where?- Answer - to the load
6. no load condition exists when a voltage is applied to the but
no load is connected to the secondary- Answer - primary
7. lines of flux generated by one winding that does not link with the other winding
are called ?- Answer - leakage flux
8. soft solder is a fusible alloy consisting of what two things?- Answer - tin(sn)and lead (pb)
9. sn ,pb, and silver solder melts at?- Answer - 185 c or 365 F
10. prevents solder from reacting chemically with a metal- Answer - oxidation
11. two classes of flux?- Answer - corrosive (acid) and non-corrosive (rosin)
12. flux core solder is the standard method to apply flux to a ?- Answer - solder joint
13. what is equipped with a small light above the trigger ?- Answer - solder gun
14. overheated solder joints will have a dull surface and what type of appear- ance?-
Answer - rough, grainy , or sandy
15. conductors within equipment must be kept in place to present a neat ap-
pearance.
TRUE OR FALSE?- Answer - True
16. Electric cables (conductors) enable the transmissions of electrical power and
?- Answer - signals
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, 17. Most common method for measuring wire size- Answer - AWG
18. the wire strands in cables are arranged in a specific order to ensure ....?- Answer - -
strength and flexibility
19. two most common metals used for electrical conductors.....- Answer - copper and
aluminum
20. the location of a wire in a circuit determines the under which it
oper- ates.- Answer - temperature
21. what are the two designations for the type of insulation- Answer - RUH AND RUW
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1. Power in equals power out..?- Answer - Rule of thumb
2. Core provides a path for the ?- Answer - Magnetic of flux
3. Transformer core depend on what?- Answer - Voltage, current, frequency
4. What are the main two shapes used in laminated-steel-core transformers?- Answer - -
Hollow core and shell core
5. Secondary winding receives energy from the primary winding and delivers
where?- Answer - to the load
6. no load condition exists when a voltage is applied to the but
no load is connected to the secondary- Answer - primary
7. lines of flux generated by one winding that does not link with the other winding
are called ?- Answer - leakage flux
8. soft solder is a fusible alloy consisting of what two things?- Answer - tin(sn)and lead (pb)
9. sn ,pb, and silver solder melts at?- Answer - 185 c or 365 F
10. prevents solder from reacting chemically with a metal- Answer - oxidation
11. two classes of flux?- Answer - corrosive (acid) and non-corrosive (rosin)
12. flux core solder is the standard method to apply flux to a ?- Answer - solder joint
13. what is equipped with a small light above the trigger ?- Answer - solder gun
14. overheated solder joints will have a dull surface and what type of appear- ance?-
Answer - rough, grainy , or sandy
15. conductors within equipment must be kept in place to present a neat ap-
pearance.
TRUE OR FALSE?- Answer - True
16. Electric cables (conductors) enable the transmissions of electrical power and
?- Answer - signals
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, 17. Most common method for measuring wire size- Answer - AWG
18. the wire strands in cables are arranged in a specific order to ensure ....?- Answer - -
strength and flexibility
19. two most common metals used for electrical conductors.....- Answer - copper and
aluminum
20. the location of a wire in a circuit determines the under which it
oper- ates.- Answer - temperature
21. what are the two designations for the type of insulation- Answer - RUH AND RUW
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