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Study MCQ
Electronics Mechanic
SOLDERING DE SOLDERING AND VARIOUS SWI
Set 2
Set 2
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Q4473
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How many types of soldering is used for joining metal surfaces?
A
Two
B
Five
C
Four
D
Three
Q4474
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What is the full form of the abbreviation SPDT used in switches?
A
Single Phase Dual Throw
B
Single Pole Single Throw
C
Single Pole Double Throw
D
Shared Pole Double Throw
Q4475
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Which ratio of tin-lead combination is used for electronic component soldering work?
A
40:60
B
20:40
C
60:40:00
D
63:37:00
Q4476
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When does the rosin flux melts in a soldering process?
A
After the solder melts
B
When the solder is melting
C
During the solder is melting
D
When the solder is heated
Q4477
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What is the additional advantage of rosin flux used for soldering electronic components?
A
It is non-conductive
B
It is good conductor
C
It is a chemical paste
D
Inorganic acid in nature
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