移动端

  • 题王微信公众号

    题王微信公众号

    微信搜“题王网”真题密题、最新资讯、考试攻略、轻松拿下考试

单选题

The purpose of the safety relief valves installed on an auxiliary boiler is to ().

发布日期:2021-03-22

The purpose of the safety relief valves installed ...
A

relieve excess fuel oil pressure during the “off” fire cycle

B

admit water to the dry pipe

C

throttle the forced draft fan output for proper combustion

D

reduce excess steam pressure in the boiler

题王网让考试变得更简单

扫码关注题王,更多免费功能准备上线!

此试题出现在

水路交通运输技能考试

海船船员考试

去刷题
热门试题热门资讯 相关试题

暂无相关推荐~