(二) 某桥涵工程项目,施工单位项目经理为了确保工程质量,组织有关技术人员对该工程

题型:问答题

问题:

(二)
某桥涵工程项目,施工单位项目经理为了确保工程质量,组织有关技术人员对该工程简支梁桥设置了如下质量控制关键点。
(1)支架施工;
(2)后浇段收缩控制;
(3)支座预埋件的位置控制;
(4)支座安装型号、方向的控制;
(5)伸缩缝安装质量的控制。
问题:

质量控制关键点按什么原则设置

考点:二级建造师公路工程公路工程管理与实务
题型:问答题

安装在已接地的金属构架上的电气设备的金属外壳、直流电压为110V及以下的电气设备外壳()。

A.必须接地

B.不需接地

C.必须接零

D.必须重复接地

题型:问答题

Motivation is "the driving force within individuals that impels them to action." And goals are the sought-after results_____(1) motivated behavior.Motivation can be either positive or negative_____(2) direction. We may feel a driving force toward some object or condition, _____(3) a driving force away from some object or condition. For example, a person may be impelled toward a restaurant to fulfill a need, hunger, and away_____(4) an airplane to fulfill a need of safety. Some psychologists refer to positive drives_____(5) needs, wants or desires,_____(6) negative drives as fears or aversions._____ (7), though negative and positive motivational forces seem to differ dramatically_____(8) terms of physical and sometimes emotional activity, they are basically similar in_____(9) they both serve to initiate and sustain human behavior.____(10) this reason, researchers often refer _____(11) both kinds of drives or motives as needs, wants and desires.Goals, _____(12), can be either positive or negative. A positive goal is one toward_____ (13) behavior is directed and it is often referred to as an approach object. A negative goal is _____(14) from which behavior is directed away and it is sometimes referred to as an avoidance object. Since both approach and avoidance goals can be considered objectives of motivated behavior, most researchers refer to_____(15) types simply as goals. Consider this example. A middle-aged woman may wish to remain_____(16) attractive as possible. Her positive goal is to appear desirable, and_____(17) she may use a perfume advertised to make her irresistible. A negative goal may be to prevent her skin_____(18) aging, and therefore she may buy and use face creams._____(19) the former case, she uses perfume to help her achieve her positive goal — attractiveness; in the____(20) case, she uses face creams to help avoid a negative goal — wrinkled skin.

题型:问答题

蜡冷却时间和冷却温度是什么关系?

题型:问答题

诗言志,以诗咏盐,古今皆产销有,从诗词中可以窥见不同时代盐业的特点,以及盐丁、盐民的生产与生活情景。以下属于盐业古代诗歌的是()。

A.《观灶行》

B.《卖盐妇》

C.《盐丁叹》

D.《苦灶行》

题型:问答题

解释主流、缓流和回流的概念,它们对船舶航行有何影响?

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