您所在的当前位置：一级消防工程师试题 >

消防安全技术综合能力

> 某大型会展中心，消防设备和消防装置都齐全，并且用电负荷为一级，设置的有自动启动装置，那么该自动启动装置应在主电源断电后( )内供电。 A 15s B 30s C 40s D 45s

问题：

发布时间：2024-09-12

某大型会展中心，消防设备和消防装置都齐全，并且用电负荷为一级，设置的有自动启动装置，那么该自动启动装置应在主电源断电后( )内供电。

A

15s

B

30s

C

40s

D

45s

参考答案：

提问用户：Ow***pFb

可能感兴趣的题目：

1 桥梁拆除施工中，进行基础或局部块体拆除时，宜采用(　　)的方法。 A 人工破碎 B 机械破碎 C 静力破碎 D 爆破拆除
2 An elephant wants to make some friends. He see a monkey in a tree and asks, “Can you be my friend?” “You are too big. You can’t swing(摇荡) in the tree like me.” Then the elephant meets a panda. “Please be my friend.” he says. “How can I ? Sorry, sir. You are too big.” The elephant is very sad(伤心).Then he goes home. The next day, he sees all the animals running. He doesn’t know why. A rabbit tells him that there’s a tiger near here. He is coming to eat the animals. The elephant goes to the tiger. “Mr. Tiger, don’t eat the animals, please” “Go away(走开)！” says the tiger. The elephant is not happy and kicks(踢)the tiger. Then the tiger goes away. At last, all the animals want to make friends with the elephant.What does the elephant want to do?The panda doesn’t want the elephant to be his friend because ?Why are the animals running?There are kinds of animals in this story.Which of following is right? To look for some food.,To make some friends.,To see the tiger.,To look for some food.,To make some friends.,To see the tiger.,The elephant is too big.,The elephant’s nose is long.,The elephant eats too much.,The elephant is too big.,The elephant’s nose is long.,The elephant eats too much.,Because they are playing games.,Because they don’t want to see the elephant.,Because a tiger is coming to eat them.,Because they are playing games.,Because they don’t want to see the elephant.,Because a tiger is coming to eat them.,four. ,five. ,six. ,four. ,five. ,six. ,When you are big, you can’t find friends.,The elephant doesn’t have friends at last(最后).,After the elephant helps others, he has many friends.,When you are big, you can’t find friends.,The elephant doesn’t have friends at last(最后).,After the elephant helps others, he has many friends.
3 生物圈的范围是 A.大气圈，水圈大部和岩石圈上层 B.B大气圈，水圈和岩石圈 C.大气圈下层，水圈大部和岩石圈上层 D.大气圈下层，水圈和岩石圈下层
4 在境内首次公开发行上市的改制阶段，企业为有限责任公司的，应依法改制为（）并取得营业执照。 A 股份有限公司 B 上市公司 C 股份两合公司 D 合伙企业
5 This objective test question contains a question type which will only appear in a computer-based exam, but this question provides valuable practice for all students whichever version of the exam they are taking. In a make or buy decision which FOUR of the following are to be correctly included in the considerations? Select all that apply. (i) The amount of re-allocated rent costs caused by using the production space differently. (ii) The variable costs of purchase from the new supplier. (iii) The amount of the bribe from the potential new supplier. (iv) The level of discount available from the new supplier. (v) The redundancy payments to the supervisor of the product in question. (vi) The saved labour costs of the production staff re-directed to other work. (vii) The materials no longer bought to manufacture the product.
6 总结和归纳是一种非常重要的学习方法，但要注重严谨、全面、科学．下列总结出的规律不符合这一要求的是 A.生成盐和水的反应一定是中和反应 B.含氧的化合物不一定是氧化物 C.同种元素可能形成多种单质 D.点燃可燃性气体前一定要先验纯
7 【题文】解方程：。
8 【题文】如图所示赋予蒙娜丽莎以“神秘的微笑”的是（） A．但丁 B．达·芬奇 C．弗兰西斯·培根 D．莎士比亚
9 混凝土拌合物的坍落度取样检测后，以(　　)的测值作为评定的依据。 A 搅拌地点 B 浇筑地点 C 试验室 D A+B
10 阅读下面一段文字，按要求对其中画线的部分进行修改。沿江两岸， ① 苍翠的林木，山花吐香， ② 危崖耸峙，满布奇石， ③ 泉流瀑飞，清风送爽，雄奇险绝中透出清丽妩媚。小题1:画线部分的语序应调整为(只填序号)____________。(2分) 小题2:其中短语______________和______________应分别修改为______________和____________，才能使短语格式协调一致，匀整对称。(2分)