Dual electro-hydraulic steering units usually operate （）.

A . Red buoy with a horizontal yellow band B . Red and white vertically-striped buoy with a vertical yellow stripe C . Red and white vertically-striped buoy with a red spherical topmark D . Green buoy with a yellow square

A . 正确 B . 错误

A . 46 and 45 B . 46 and 45.93 C . 50 and 45.93 D . 50 and 45.9

A . When the helm is at any angle other than amidships B . When the six-way valve is opened C . When the ram relief valves lift D . When the redder angle is different from the position of the helm

A . transmit the rudder angle to the bridge indicator B . prevent the control linkage from striking the stops when hard over C . automatically purge all entrained air from the system D . send hydraulic signals to the receiving unit

A . 97.6% B . 98.1% C . 98.6% D . 99.1%

A . APU引气电门”ON”位，APU引气活门关，左发引气电门”ON”位； B . APU引气电门”ON”位，APU引气活门开，左发引气电门”ON”位； C . APU引气电门”OFF”位，APU引气活门未关，左发引气电门”ON”位； D . APU引气电门”ON”位，APU引气活门开，右发引气电门”ON”位，隔离活门开。

A . A.GV5－I主控框 B . B.GV5－III主控框 C . C.PV8－19用户框 D . D.RSP－19用户框

A . V5接口标识 B . 链路号 C . 链路标识 D . 协议地址

A . 15 B . 20 C . 25 D . 30

A . An EIGRP route will go active if there are no successors or feasible successors in the EIGRP topology table. B . An EIGRP route will go passive if there are no successors in the EIGRP topology table. C . DUAL will trigger an EIGRP query process while placing the flapping routes in the holddown state. D . A feasible successor in the EIGRP topology table can become the successor only after all the query requests have been replied to. E . The stuck in active state is caused when the wait for the query replies have timed out. F . EIGRP queries are sent during the loading state in the EIGRP neighbor establishment process.

A . ACCP B . X C . 编译错 D . 提示未选中行

A . ON B . NO C . STE D . SET

A . A、把两个空调组件电门放到”AUTO”或”HIGH”位 B . B、把空调”ISOLATION VALVE”电门放到”CLOSE”位 C . C、把APU引气电门放到”OFF”位 D . D、把左发引气电门关掉

A . relieves excessive fluid pressure B . takes the pump off stroke when the desired rudder angle is attained C . synchronizes wheel position with the rudder position D . returns the rudder to midposition when the wheel is released

A . ram relief valves bypass oil to stop rudder movement B . six-way valve shifts to the neutral flow position C . steering pump electric motor is de - energized by the transfer switch D . follow-up gear takes the hydraulic pump off stroke

A．RIP B．IGRP C．EIGRP D．OSPF

是 否

A．n．A牌;发球得分;佼佼者;adj．杰出的 B．n．陈述;声明;综述 C．n．特性,特质;专业,专长

A．工作 B．电（视）台；车站 C．（表示整点）……点钟 D．晚上；夜晚