第9题:[单选题]( )Where shall the key to co2 room be kept? A.In master's cabin B.In third office's cabin C.In a break-glass-type enclosure conspicuously located adjacent to the room D.In a locked locker conspicuously located adjacent to the room 参考答案:C
第26题: [单项选择]填隙碎石施工备料时,填隙料的用量约为粗碎石质量的( )。 A. 10%~20% B. 20%~30% C. 15%~30% D. 30%~40% 参考答案:D 答案解析:[解析] 本题考查的是填隙碎石施工。填隙碎石备料时,根据各路段基层或底基层的宽度、厚度及松铺系数,计算各段需要的粗碎石数量;根据运料车辆的车厢体积,计算每车料的堆放距离。填隙料的用量约为粗碎石质量的3