试题与答案

某l0kV变电所中安装了室内、外配电装置。该变电所所在地区海拔高度为1500m。根据

题型:单项选择题

题目:


某l0kV变电所中安装了室内、外配电装置。该变电所所在地区海拔高度为1500m。根据有关规程的规定,请回答下列室内、外配电装置的最小安全净距应为多少

室外10kV高压引出线的套管至屋外人行通道地面之间最小电气安全净距为 ( )mm。

A.2700

B.4000

C.4500

D.2950

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:阅读理解

阅读再判断正误。

It’s 5:30 in the afternoon. School is over. It’s time for student to relax.

Look! Some boys are playing soccer and some are playing basketball on the playground(操场). Most girls don’t like ball games because they think they are boring. They like to do other sports, such as swimming and dancing. Look, some girls are swimming in a big swimming pool. In the gym(健身馆), Maria and her friends are dancing to the music. Some students are singing together in the classroom building. Who are they? Oh, they are some students of Class Four. They are cleaning their classroom now. After that, they can play with other students.

根据上面内容判断正误,正确的写T, 错误的写F。

小题1: After 5:30pm, the students don’t have classes.

小题2: On the playground, some boys are playing basketball and soccer.

小题3:We can’t see any students swimming in the pool now.

小题4: Some students from Class Four are singing together in the classroom.

小题5: Maria is dancing on the playground.

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