[单选题]

A． dry-type spark arrestor removes sparks from a diesel engine exhaust by ____.

A．increasing the linear velocity of the exhaust gases

B．changing directions of exhaust gas flow

C．decreasing the temperature of the exhaust gases

D．accelerating the exhaust gas through a reduced size orifice

参考答案与解析：

相关试题

spark ignition( )

spark ignition( )A. 火花点火B. 压燃点火C. 点火线圈D. 点火开关

  • 查看答案

    • Electronic Spark Advance Control的中文意思是（）

    [填空题] Electronic Spark Advance Control的中文意思是（）。

  • 查看答案

    • heroic declaration mute label inclined spark fierce introvert possess （1）Though

    heroic declaration mute label inclined spark fierce introvert po

  • 查看答案

    • abundant attainable cautious commonplace counseling definite generate spark strive 1. When he was 16

    abundant attainable cautious commonplace counseling definite generate spark stri

  • 查看答案

    • 在FLASH中，对于Spark视频编码解码器的说法错误的是（）

    [单选题]在FLASH中，对于Spark视频编码解码器的说法错误的是（）A .由编码程序和解码程序两部分组成B .编码程序（或压缩程序）是压缩视频内容的组件C .解码程序是解压缩的组件D .Flash播放器中不包含解码程序

  • 查看答案

    • dry noodle

    [名词解释] dry noodle

  • 查看答案

    • 干性坏疽(dry gangrene)

    [名词解释] 干性坏疽(dry gangrene)

  • 查看答案

    • Dry powder is used to put out ________

    [单选题]D．ry powder is used to put out ________A．electrical fireB．oil fireC．common firesD．all kinds of fires

  • 查看答案

    • The crops failed because the season was dry

    [问答题]The crops failed because the season was dry

  • 查看答案

    • As compared to carbon dioxide，dry chemic

    [单选题]As compared to carbon dioxide，dry chemical has which advantage?（）A . CleanerB . Effective on metal firesC . Greater rangeD . More cooling effect

  • 查看答案