【单选题】Many vehicle manufacturers recommend that a special electrical connector be installed between the battery and the battery cable when testing for ( ).
A.
Battery drain (parasitic drain)
【单选题】A user reports that their cell phone battery is dead and cannot hold a charge. Which of the following should be done when disposing of the old battery?()
C.
Place battery in a sealed plastic bag.
D.
Disassemble the battery.
【简答题】When the battery reaches the end of its life,please contact your local dealer.The batteries have to be dealt with as chemical waste.
【判断题】在金属材料中,晶界会阻碍晶体变形,使其强化。
【单选题】When chatting with her on the mobile phone, the battery _ dead suddenly.
【单选题】When a battery is continuously exposed to low temperatures, the best procedure to keep it from freezing is to _________.
A.
remove the battery caps
B.
securely cover the battery
C.
keep the battery fully charged
D.
disconnect the battery
【单选题】When there is a discrepancy between ideal and the reality, people are most likely to become______.
【单选题】When charging a lead acid (flooded-type) battery, ( ).
A.
The initial charging rate should be about 35 amperes for 30minutes
B.
The battery may not accept a charge for several hours, yet may still be a good (serviceable) battery
C.
The battery temperature should not exceed 51.6°C (125°F) (hot to touch)