更多"When sending a DSC call，the vessel’"的相关试题:
[单项选择]If a ship station relays a DSC distress call to an appropriate coast station, it means that（）.
A. the ship has received the DSC distress call on a HF frequency
B. the coast station concerned has not acknowledged it within 5 minutes
C. the ship will take command of search and rescue in 5 minutes
D. A and B
[单项选择]What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）
A. White
B. Black
C. Blue
D. Clear
[单项选择]（） should be tested and adjusted when the boiler survey is carried out.
A. The boiler oil tank
B. The steam pipe
C. The fire side
D. The safety valves
[单项选择]Generally, runaway means such situation when the speed main engine exceeds the rating speed by its （）
A. 10%
B. 15%
C. 20%
D. 5%
[单项选择]During the dock repair, when installing the tail shaft and propeller, who should be on the spot to supervise?（）
A. chief engineer
B. the engineer
C. captain
D. any member of the engine department
[单项选择]You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should（）.
A. cross the channel as you are the stand-on vessel
B. cross only if the vessel in the channel is approaching on your port side
C. not cross the channel if you might impede the other vessel
D. sound the danger signal
[单项选择]（）should generally be used when handing rough or sharp objects.
A. Heat-resistant
B. Rubber gloves
C. PVC gloves
D. Leather gloves
[单项选择]Why is STP required when VLANs span access layer switches?（）
A. to ensure a loop-free topology
B. to protect against user-side loops
C. in order to support business applications
D. because of the risk of lost connectivity without STP
E. for the most deterministic and highly available network topology
[单项选择]When considering a vessel’s stability，which spaces in a general cargo vessel are the best locations for the carriage of bulk grain? （）
A. Deep tanks
B. Lower holds
C. Lower holds at the ends of the vessel
D. 'Tween-decks
[单项选择]There we shall call at some ports（）and discharge some cargo.
A. to loading
B. be loading
C. loading
D. to load
[单项选择]对于二次雷达，S模式应答机在S模式询问的全呼（modeA/C/S-only-all-call）周期内，下面说法正确的是（）。
A. 都应答
B. 都不应答
C. 在选呼状态下的飞机将不应答全呼（modeA/C/S-only-all-call）询问
D. 不在选呼状态下的飞机不应答全呼询问
[单项选择]对于二次雷达，S模式在A/C/S全呼（modeA/C/S-only-all-call）周期内询问飞机以识别它们，同时获取S模式应答机的（）。
A. 地址码
B. 识别码
C. 高度码
D. II编码（Interrogato r Identifier Code）
[单项选择]The knock occurring when a cold diesel engine is started and continues while running at low speed, but stops when the engine reaches normal operating speed and temperature, is（）.
A. caused by retarded injection timing
B. caused by a mechanical defect in one cylinder
C. caused by high fuel injection pressures
D. normal for these conditions
[单项选择]When anchoring in open anchorage, chief engineer should consult with captain （）
A. if the ship must be stand by
B. if M-E should be stopped
C. if keep-watching as in voyage
D. if the ship must anchor two anchors
[单项选择]When a vessel’s LCG is aft of her LCB，the vessel will（）.
A. trim by the stern
B. trim by the head
C. be on an even keel
D. be tender
[单项选择]对于现在DSC8+系统DSC总成内有（）个单向阀。
A. 6
B. 7
C. 8
D. 9
[单项选择]— I'm trying to call Marie, but there's no answer. —（）
A. I didn’t realize that
B. Here is a message for her
C. I’m really sorry about it
D. Really? Maybe she’s out
[单项选择]When used with reversing reduction gears, medium-speed diesel engines should be bolted to their foundations with fitted bolts at the drive end and clearance(loosely fitted) bolts in other locations √This is done to （）
A. maintain alignment when the ship’s hull is working in heavy seas
B. ensure engine vibrations correspond to the natural frequency of the hull
C. permit the engine to expand away from the driven equipment as the engine heats up and expands
D. maintain engine thrust bearing clearances
[单项选择]When rigging a bosun’s chair，a tail block or lizard is used to（）.
A. guide the bosun's chair down a stay when applying a protective coating
B. run paint or tools up to a sailor in a chair with a heaving line
C. keep a bosun's chair from swinging with the ship's motion
D. reeve the gantline through
