Technician exam question T6A11
Subelement T6, ELECTRONIC AND ELECTRICAL COMPONENTS· Group T6A
T6A11
Which of the following battery chemistries is not rechargeable?
- A.Nickel-cadmium
- B.Carbon-zinc (correct answer)
- C.Lead-acid
- D.Lithium-ion
WhyCarbon-zinc is a battery chemistry that is not rechargeable. Carbon-zinc cells are basic, inexpensive primary cells designed for one-time use and are not built to be recharged, answer B. Nickel-cadmium (A), lead-acid (C), and lithium-ion (D) are all common rechargeable chemistries, the opposite of what this question asks for.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2026-2030 NCVEC Element 2 pool (public domain); the explanation above is original writing, see our methodology.
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