Heating & A/C (A7)Câu 88 / 120
Technician A says cabin heat comes from engine coolant flowing through the heater core. Technician B says a leaking heater core can fog the windshield and leave a sweet smell. Who is correct?
a.Both A and B
b.Technician A only
c.Technician B only
d.Neither A nor B
Giải thích
The heater core transfers heat from hot engine coolant to cabin air, and a leaking core lets coolant fog the glass and produce a sweet odor. Both technicians are correct. A clogged core or low coolant reduces heat output.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
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