第14题:[单选题]Which statement is correct for aural warning volume? A. Aural warning volume is not controlled by loudspeaker volume knob. B. Loudspeaker volume knob should not be set on OFF. C. Aural warning volume is controlled by loudspeaker volume knob. 参考答案:A
第20题: [单项选择]Each fireman’s outfit and its spare equipment on a tanker must be stowed in a(n)(). A. locked cabinet in the machinery space B. unlocked cabinet in the machinery space C. separate and accessible location D. location near a fire hydrant 参考答案:C