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蝶阀知识测试
10
|
By Asiaapp | Updated: Mar 18, 2022
| Attempts: 165
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Question
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1.
-以下结构形式不属于蝶阀的结构形式的是
中线式
浮动式
三偏心
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About This Quiz
2.
What first name or nickname would you like us to use?
You may optionally provide this to label your report, leaderboard, or certificate.
2.
-蝶阀在型号编制中应该用哪个字母表示
J
D
H
Q
Submit
3.
-采用三偏心结构可以满足较高温度的工况。
True
False
Submit
4.
-中线蝶阀在启闭过程中对阀座的挤压和摩擦要比三偏心蝶阀的大。
True
False
Submit
5.
-管道口径较大、工况不复杂时,宜采用下面哪种阀门作为关断阀
闸阀
蝶阀
截止阀
Submit
6.
-蝶阀型号 D43H-16P 中的数字3代表该蝶阀
中线结构
氟塑料密封
暗杆结构
三偏心结构
Submit
7.
-对夹连接蝶阀一般比法兰连接蝶阀结构长度短。
True
False
Submit
8.
-蝶阀的缺点是
启闭不方便
结构复杂
调节性能差
使用压力和工作温度范围小
Submit
9.
-对压力和密封要求较高时宜采用哪种结构形式的蝶阀
中线式
双偏心
三偏心
Submit
10.
-常规球阀的流阻比蝶阀的流阻要小。
True
False
Submit
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All (10)
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Answered (
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-以下结构形式不属于蝶阀的结构形式的是
-蝶阀在型号编制中应该用哪个字母表示
-采用三偏心结构可以满足较高温度的工况。
-中线蝶阀在启闭过程中对阀座的挤压和摩擦要比三偏心蝶阀的大。...
-管道口径较大、工况不复杂时,宜采用下面哪种阀门作为关断阀...
-蝶阀型号 D43H-16P 中的数字3代表该蝶阀
-对夹连接蝶阀一般比法兰连接蝶阀结构长度短。
-蝶阀的缺点是
-对压力和密封要求较高时宜采用哪种结构形式的蝶阀
-常规球阀的流阻比蝶阀的流阻要小。
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