欢迎来到牛牛题库网 牛牛题库官网
logo
搜索
全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 航海仪器 > 航海仪器使用说明书

单项选择题

The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?（）.

A.transmitter
B.antenna system
C.indicator
D.modulator

点击查看答案&解析
上一题 目录 下一题

相关考题

单项选择题
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.

A.persistence
B.pulse repetition rate
C.pulse length
D.resolution
单项选择题
You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced?（）.

A.Relative
B.TRUE
C.Compass
D.Magnetic
单项选择题
Compass deviation is caused by（）.

A.magnetism from the earth's magnetic field
B.misalignment of the compass
C.magnetism within the vessel
D.a dirty compass housing
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题