Questenaتمرینی که نشان می‌دهد بعد چه چیزی را مرور کنید
جست‌وجوساخت آزمون
سؤال 26

How can the accumulation of dangerous fumes generated by the storage batteries be prevented?

  1. By natural or mechanical ventilationپاسخ درست
  2. Covering the batteries in a nonconducting, solid enclosure
  3. Mounting the batteries in a position as high as possible
  4. Securing the batteries to vibration reducing mounting brackets

توضیح

The official Q170 sample marks A — “By natural or mechanical ventilation” — as correct.

ادامهٔ این آزمون

شروع تمرین
بازگشت به آزمون