相关试题
【判断题】
消防安全带可调节尺寸大小以适合体型佩戴。
【判断题】
供气消防车充气泵首次使用累计500h后要彻底更换机油。
【判断题】
灭火防护服洗涤过程中水温不可高于35℃。
【判断题】
防化防核服在污染区域用过后经清洗可反复使用。
【判断题】
空气呼吸器警报器报警压力为15MPa。
【判断题】
液压控制阀分为:方向控制阀、压力控制阀、流量控制阀、速度控制阀。
【判断题】
BG40/30,40代表最高压力,30代表最高压力时出水流量。
【判断题】
抢险救援消防车液压牵引绞盘一般作用于钢绳上的力不应超过10000 N。
【判断题】
压力在1.8Mpa以上的消防泵属于中压消防泵。
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中等泡沫指系统泡沫液混合比为0.3~1%时,喷出的空气含量小、流动性好和附着力较差的泡沫,通常呈普通泡沫状,泡沫析水时间短,通常在垂直表面不能形成堆积厚度。
【判断题】
湿泡沫指当系统泡沫液混合比为0.3~1%时,喷出的空气含量介于干泡沫和湿泡沫之间,流动性较差、附着力较强的泡沫,通常呈絮状,泡沫析水时间较长,能够附着在建筑物或其它物体表面上。
【判断题】
移动式供气源呼吸器可单人使用,也可多人同时使用。
【判断题】
进入重度化学灾害现场前要对内置式重型防化服的防腐蚀性进行检查。
【判断题】
手提式防爆强光照明灯用于有爆炸危险环境中的照明。
【判断题】
简易防化服适用于强酸、强碱或毒害品场所。
【判断题】
吸器使用前气瓶压力不能低于15 Mpa。
【判断题】
空气呼吸器使用前气瓶压力不能低于25Mpa。
【判断题】
防火防化服用于放射性污染、军事毒剂、生化毒剂和化学事故现场防护。
【判断题】
消防避火服用于接近火焰和化学事故现场防护。
【判断题】
消防避火服可用于进入火焰区域长时间作业时全身防护。
【判断题】
着消防避火服进入火焰区域时应使用喷雾水实施掩护。
【判断题】
移动式供气源配置4个6升/20兆帕气瓶时,1人使用,可用2小时以上。
【判断题】
在狭小空间长时间作业,当无法使用个人携带式空气呼吸器时,应使用移动式供气源。
【判断题】
简易防化服可在轻度污染场所反复使用多次。
【判断题】
消防员照明灯具是消防员在无照明或照明条件差的环境下进行消防作业时使用的个人携带式灯具。
【判断题】
20世纪80年代初,我国成功研制了GX-A型腰挂式防水灯具和SLD-2型携带式防爆灯。均具有防水、防爆等功能,亮度、射程、电池使用时间等性能也有所提高。
【判断题】
佩戴式防爆照明灯是消防员在各种易燃易爆场所消防作业时使用的需手持的移动照明灯具,根据佩戴方式主要可分为头戴式、肩挎式、腰挂式、吊挂式等多种式样。
【判断题】
消防员水下保护装具是消防员用于水上救援作业时的专用防护装备。
【判断题】
消防员抢险救援防护靴穿着前,应该先检查其是否有破损。
【判断题】
消防安全钩是消防员高空作业时重要的安全保护装具之一,用于安全带与安全绳等防坠落装备之间的连接。
【判断题】
便携式强光防爆工作灯防爆、防静电性能优良,可在各种易燃易爆场所安全使用。
【判断题】
固态微型强光防爆电筒不得随意拆卸灯头和电池盒及其他密封件,更换光源、充电及拆卸灯具必须在安全场所进行。
【判断题】
缓降器的下降速度均应在0.15m/s~1.5m/s之间。
【判断题】
固态微型强光防爆电筒的体积小、重量轻且防爆性能优良,适用于在各种事故现场进行消防作业时(包括各种易燃易爆场所)作移动照明和信号指示使用。
推荐试题
【单选题】
___在债务人不履行到期债务或者发生当事人约定的实现担保物权的情形,依法享有就担保财产优先受偿的权利,但法律另有规定的除外。
A. 所有权人
B. 用益物权人
C. 担保物权人
D. 债权人"
【单选题】
___是指民事主体对其智力成果依法享有的专有权利。
A. 知识产权
B. 人身权
C. 债权
D. 身份权"
【单选题】
We have time and again___ that we will never be the first to use nuclear weapons.
A. declared
B. accused
C. announced
D. blamed
【单选题】
Since the matter was extremely ___, we dealt with it immediately.
A. tough
B. tense
C. urgent
D. rough
【单选题】
She was so ___ in her job that she didn’t hear anybody knocking at the door.
A. attracted
B. absorbed
C. drawn
D. concentrated
【单选题】
He is ___ about his chances of winning a gold medal in the Olympics next year.
A. outstanding
B. optional
C. optimistic
D. obvious
【单选题】
The president could not go to the meeting, so Mr. Smith___ him.
A. recorded
B. renewed
C. represented
D. recalled
【单选题】
He wrote an article criticizing the Greek poet and won ___and a scholarship.
A. faith
B. prestige
C. status
D. courage
【单选题】
Jane was hit on the head by the robber and was knocked___.
A. mindless
B. unaware
C. brainless
D. unconscious
【单选题】
It is our___policy that we will achieve unity through peaceful means.
A. consistent
B. continuous
C. considerate
D. continual
【单选题】
The author of the report is well___with the problems in the hospital because he has been working there for many years.
A. informed
B. acquainted
C. enlightened
D. acknowledged
【单选题】
The manager lost his ___ just because his secretary was ten minutes late.
A. mood
B. temper
C. mind
D. passion
【单选题】
Many Europeans___ the continent of Africa in the 19th century.
A. exploded
B. explored
C. exposed
D. expanded
【单选题】
If you hear such a rumor,___ it thoroughly.
A. seek
B. investigate
C. search
D. explore
【单选题】
The pressure ___causes Americans to be energetic, but it also puts them under a constant emotional strain.
A. to compete
B. competing
C. to be competed
D. having competed
【单选题】
Having decided to rent a flat, we ___ contacting all the accommodation agencies in the city.
A. set about
B. set on
C. set out
D. set up
【单选题】
The old couple decided to ___ a boy and a girl though they had three children of their own.
A. adapt
B. adjust
C. adept
D. adopt
【单选题】
Mike was being ___for violent tendencies.
A. contended
B. consulted
C. counselled
D. insulted
【单选题】
I will___ Mr. Walters on this point.
A. refer to
B. commit to
C. contribute to
D. defer to
【单选题】
What happens in the next few days is___to our success.
A. critical
B. critic
C. prior
D. valid
【单选题】
She won’t___that there is a problem.
A. confer
B. concern
C. acknowledge
D. contemplate
【单选题】
This offer is___ for travel before the end of April.
A. effective
B. ineffective
C. invalid
D. valid
【单选题】
___ to British universities depends on examination results.
A. Admittance
B. Entry
C. Admission
D.
E. ntrance
【单选题】
The database is only ___ by authorized managers.
A. proved
B. accessible
C. approved
D. access
【单选题】
This traditional ___ is of indigo blue.
A. clothes
B. diversity
C. costume
D. institution
【单选题】
These cigarettes are a ___ of the best tobaccos.
A. blend
B. band
C. mixture
D. mess
【单选题】
The tennis players need total ___ during play.
A. concentration
B. section
C. depression
D. energy
【单选题】
He ___ that he was innocent.
A. announced
B. declared
C. disclosed
D. admitted
【单选题】
Columbus discovered America but did not ___ the new continent.
A. seek
B. investigate
C. search
D. explore
【单选题】
The trees ___their foliage every year.
A. repeat
B. grow
C. refresh
D. renew
【单选题】
Make a list of the various ___.
A. options
B. choice
C. optional
D. samples
【单选题】
I am well aware that this is a ___ job.
A. rough
B. tough
C. wealthy
D. rogue
【单选题】
I found their kindness quite ___.
A. strong
B. overweening
C. keen
D. overwhelming
【单选题】
The captain wasn’t ___ on having him in the team.
A. eager
B. keen
C. overwhelmed
D. anxious
【单选题】
He was ___at the prospect of seeing them again.
A. thrilling
B. blessed
C. thrilled
D. emotional
【单选题】
They ___ against travelling at night in such a dangerous country.
A. consul
B. advocate
C. counsel
D. recommend
【单选题】
It is absolutely vital that food supplied should be ___.
A. sustained
B. enhanced
C. exhausted
D. maintained
【单选题】
He must have had an accident, or he ___ then.
A. would have been here
B. had to be here
C. should be here
D. would be here
【单选题】
It was essential that the application forms ___ back before the deadline (截止日期).
A. must be sent
B. would be sent
C. be sent
D. were sent
【单选题】
We ___ our breakfast when an old man came to the door.
A. just have had
B. have just had
C. just had
D. had just had