Question 1
What is the approximate nominal voltage of a single fully charged cell in a lead-acid automotive battery?
Correct Answer:
2.1 volts
Question 2
Which tool is specifically used by auto electricians to measure the specific gravity of a battery's electrolyte?
Correct Answer:
Hydrometer
Question 3
In a fully charged automotive lead-acid battery, what is the chemical composition of the active material on the positive plates?
Correct Answer:
Lead dioxide (PbO2)
Question 4
What is the chemical composition of the active material on the negative plates of a fully charged lead-acid battery?
Correct Answer:
Pure sponge lead (Pb)
Question 5
What condition is most likely to cause battery sulphation, which degrades performance and shortens battery life?
Correct Answer:
Leaving the battery in a discharged state for an extended period
Question 1
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About this Exam

Prepare with the NABTEB Automobile Electrical Works Practice Questions - NABTEB Automobile Electrical Works (NTC), Nigeria Exam practice quiz. This question bank includes 100 questions covering starter, battery, voltage, automotive, and alternator. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NABTEB Automobile Electrical Works Practice Questions - NABTEB Automobile Electrical Works (NTC), Nigeria Exam

This practice set contains 100 questions from the matching question bank and focuses on starter, battery, voltage, automotive, and alternator. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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