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IS014000是国际标准化组织（IS0)第207技术委员会(TC207)从1993年开始制定的一系列环境管理国际标准。
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相关试题
【判断题】
乙炔发生器的操作人员必须经过专门训练,熟悉其结构和作用原理,并经安全技术考核合格。
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工业常用酸碱在使用过程中要密闭操作,注意通风。
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金属的气割过程实质是铁在纯氧中的燃烧过程,而不是熔化过程。
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登高焊割作业脚手板的上下坡度不得大于1:3。
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高空作业时为了便于调节电流,应将弧焊机放在高空脚手架 上。
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登高作业时,焊条、工具和小零件应放在脚手架的踏脚板上。
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当工频100mA的电流通过人体时,可使人致死。
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在容器内部作业时,应做好绝缘防护工作,防止触电事故。
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等离子弧切割和焊接时,其噪声较大,但对人体不造成危害。
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焊件的端面与另一焊件表面构成直角或近似直角的接头,称为T形接头。
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二氧化碳气体保护焊时,会生成对人体有害的一氧化碳气体,应加强通风。
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置换动火是比较安全妥善的办法,在容器、管道的生产检修中被广泛采用。
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触电急救的有效方法是人工呼吸法和心脏挤压法。
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登高作业时,焊条头不得随意往下扔,以防砸伤、烫伤人,甚至造成火灾。
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凡与乙炔接触的器具设备,可用纯铜制造。
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焊接车间可燃气瓶和氧气瓶应分别存放,用完的气瓶不必及时移出工作场地,不得随便横躺卧放。
【判断题】
利用气割可以在钢板上的各种位置进行切割和在钢板上切割各种外形复杂的零件。
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强度是指金属材料在外力作用下抵抗变形和断裂的能力。
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碳弧刨割条工作时需交、直流弧焊机,以及空气压缩机。
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技术安全是安全生产管理以预防为主的根本体现。
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氩弧焊作业时,尽可能采用放射剂量低的铺钨极。
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电子束功率密度比普通电弧功率密度高100倍～1000倍。
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电箱不装门、锁,电箱门出线混乱,随意加保险丝,并一闸控制多机不会发生触电事故。
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激光的电光转换效率高,可达80%～90%。
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如果不对事故隐患进行有效管理,就可能产生安全事故。
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薄板焊接或者点焊宜采用"E4313",焊件不易烧穿且易引弧。
【判断题】
熔透型等离子弧焊主要用于薄板加单面焊双面成形及厚板的多层焊。
【判断题】
针钨极是目前钨极氩弧焊中应用最广泛的一种电极。
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电渣焊电源出现电弧放电过程或电渣-电弧的混合过程,对电渣过程没有影响。
【判断题】
乙炔气瓶口着火时,设法立即关闭瓶阀,停止气体流出,火即熄灭。
【判断题】
许多碳素钢和低合金结构钢经正火后,各项力学性能均较好,可以细化晶粒,常用来作为最终热处理。
【判断题】
用人单位应保证从事职业病危害因素作业的劳动者能按时参加安排的职业健康检查,劳动者接受健康检查的时间应视为请假。
【判断题】
焊接不锈钢和镍基合金时,还常使用氩氢混合气体。
【判断题】
焊条焊接时,焊芯的化学成分,不会影响焊缝的质量。
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— Five days ___ too long for me to wait.
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A. because
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_____ she survived the accident is miracle.
A. What
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C. As
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I often see ____ the road on his way home.
A. he cross
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His mother _______ alone since his father died.
A. lived
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A. to make
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It was well known that Thomas Edison _______ the electric lamp.
A. discovered
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A. that
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A. the faster
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A. which
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A. when
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They got there an hour _____ than the others.
A. early
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D. earlier
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The grey building is the place where the workers live, and the white building is the place where the spare parts ____ .
A. are producing
B. are produced
C. produced
D. being produced
【单选题】
Once environmental damage ______, it takes many years for the system to recover.
A. is to do
B. does
C. had done
D. is done
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We worked hard and completed the task ___.
A. in the time
B. on the time
C. ahead of time
D. before time
【单选题】
I didn't expect you to turn _____ at the meeting yesterday.
A. up
B. to
C. out
D. over
【单选题】
I like the teacher _______ classes are very interesting and creative.
A. which
B. who
C. whose
D. what
【单选题】
When Lily came home at 5 p. m. yesterday, her mother ______ dinner in the kitchen.
A. cooked
B. was cooking
C. cooks
D. has cooked
【单选题】
I don’t know the park, but it's _____ to be quite beautiful.
A. said
B. told
C. spoken
D. talked
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Mike is better than Peter ____. swimming.
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The young lady coming over to us ______ our English teacher; the way she walks tells us that!
A. must be
B. can be
C. would be
D. could be
【单选题】
Eggs, though rich in nourishments, have ______ of fat.
A. a large number
B. the large number
C. a large amount
D. the large amount
【单选题】
Neither John ______his father was able to wake up early enough to catch the morning train.
A. nor
B. or
C. but
D. and
