更多"[单选题] If you shorten the scope of a"的相关试题:
[单选题] If you shorten the scope of anchor cable，your anchor's holding power ______.
A. decreases
B. increases
C. remains the same
D. has no relation to the scope
[单选题] In determining the scope of cable to be used when anchoring，what would NOT be considered ________．
A.Depth of the water
B.Character of the holding ground
C.maintenance cost for the chain
D.Type of anchor cable
[单选题] You must ______ your cable from 6 shackles to 3 shackles.
A. cut
B. pay out
C. slack
D. shorten
[单选题] You should read more books to enlarge (扩大) your __( )_ .
A. vocabulary
B. memory
C. brain
D. score
[单选题] When anchored，increasing the scope of the anchor chain normally serves to ______．
A.prevent fouling of the anchor
B.decrease swing of the vessel
C.prevent dragging of the anchor
D.reduce strain on the windlass
[单选题] The abbteviation RYC in a marine cable generally stands for ______ 。
A. referring to your crew
B. reference for your captain
C. return to your cabin
D. received your cable
[单选题] What is the normal length of anchor cable used to anchor a vessel ________.
A. An amount equal to the depth of the water
B. Two times the depth of water
C. Three to four times the depth of water
D. Five to seven times the depth of water
[多选题]220kV某变,主变接线组别应为Y,Y,Y,厂家人员将主变保护接线组别误设为Y,Y,△,送电时因负荷电流过小,差流较小,未能发现此错误,投运后,当发生低压侧区外故障时,主变保护动作。通过本案例,对照十八项反措,谈谈你的看法(____)。
A. 严格执行继电保护现场标准化作业指导书,规范现场安全措施,防止继电保护“三误”事故
B. 严格执行有关规程、规定及反措,防止二次寄生回路的形成
C. 当灵敏性与选择性难以兼顾时,应首先考虑以保灵敏度为主,防止保护拒动
D. 所有差动保护(线路、母线、变压器、电抗器、发电机等)在投入运行前,除应在负荷电流大于电流互感器额定电流的10%
的条件下测定相回路和差回路外,还必须测量各中性线的不平衡电流、电压,以保证保护装置和二次回路接线的正确性
E. 基建单位应提供一次设备实测参数等资料
[单选题]Oracle数据库使用alter system修改参数SCOPE可选值不包括（____）。
A. MEMORY
B. SPFILE
C. PFILE
D. BOTH
[单选题]the scope of the damage,they decided to renew the defective parts.
A.Determining
B.Have ascertained
C.Having been determined
D.To ascertain
[单选题] You can’t watch TV _____ you’ve finished your homework.
A. since
B. until
C. as
D. after
[判断题]160t电炉主控操作ALARM画面中“Cable reel fault”代表卷筒
报警。（ ）
A.正确
B.错误
[判断题]139. ( )Cable Modem 本身不单纯是调制解调器，它集MODEM、调谐器、加／解密设备、桥接器、网络接口卡、虚拟VLAN代理和以太网集线器的功能于一身。
A.正确
B.错误
[多选题]设Y/Y0——12变压器，变比为1，不计负荷电流情况下，当Y0侧单相接地时，Y侧的三相电流是（）。
A.Y侧故障相电流等于Y0侧故障相电流
B.Y侧故障相电流等于Y0侧故障相电流的2/3
C.Y侧非故障相电流等于Y0侧故障相电流的1/3
[单选题] You have another ship overtaking you close aboard to starboard．You have 3 radar targets bearing 090，1 mile，and 1.5 miles．In this case，the unwanted echoes are called ______．
A.Multiple echoes
B.Spoking
C.Indirect echoes
D.Side-lobe echoes
