更多"A sound signal of seven short blast"的相关试题:
[单项选择]（）, which consisted of seven short blasts and one prolonged blast, all passengers have to go to their assembly station.
A. When the distress alert is sounded
B. When the emergency equipment is switching on
C. When the general emergency alarm is sounded
D. When the distress broadcast is sounded
[单项选择]A whistle signal of one prolonged，one short，one prolonged and one short blast，is sounded by a vessel（）.
A. at anchor
B. towing a submerged object
C. being overtaken in a narrow channel
D. in distress
[单项选择]A signal of one prolonged，one short，one prolonged，and one short blast，in that order is given by a vessel（）.
A. engaged on pilotage duty
B. in distress
C. at anchor
D. being overtaken in a narrow channel
[单项选择]A vessel sounding a fog signal of one short，one prolonged，and one short blast is indicating that the vessel is（）.
A. fishing
B. in distress
C. at anchor
D. not under command
[单项选择]When approaching Block Island Sound from Long Island Sound，you will enter waters governed by the International Rules of the Road when you（）.
A. pass through The Race
B. cross the territorial sea boundary
C. exit Block Island Sound to the east or south
D. None of the above，as Long Island Sound is governed by the International Rules of the Road
[单项选择]The short-long dashed magenta line around Gardiners Island marks（）.
A. A regulated anchorage
B. Fish trap areas
C. An area closed to the public
D. Underwater cables
[单项选择]The short-long dashed，magenta lines parallel to York River Entrance Channel mark（）．
A. fish trap areas
B. naval exercise areas
C. underwater cables
D. recommended track lines
[单项选择]If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm，you should（）.
A. start the fire pump
B. go to your man overboard station
C. go to your lifeboat station
D. stand by for collision
[单项选择]A knocking sound from one cylinder of an operating air compressor indicates （）.
A. a defective or broken high pressure un-loader
B. a loose valve plate
C. excessive overload
D. no compression
[单项选择]Areas enclosed by a long and short dashed magenta line indicate （）.
A. cable areas
B. dumping grounds
C. fish trap areas
D. precautionary areas
[单项选择]The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
A. Amphibious training areas
B. Grounds for dredge spoil
C. Fish trap areas
D. Gunnery exercise areas
[单项选择]Goyle has short, bristly hair and long, gorilla-ish arms. （）
A. 皋尔的毛发粗短，胳膊硕长，有点像大猩猩。
B. 噶伊尔留的头发粗短坚硬，手臂长得像大猩猩。
C. 高尔的头发短而硬，胳膊粗壮如猩猩一般。
D. 格尔的毛发又粗又短，还长着大猩猩似的长胳膊。
[单项选择]Approaching an anchorage in fog，you hear one short，one prolonged，and one short blast in that sequence on a ship’s whistle． This indicates（）.
A. A vessel towed
B. A vessel not under command and unable to maneuver
C. A vessel anchored giving warning of her position
D. A vessel stopped dead in the water
[单项选择]A vessel sounds one short blast. This signal indicates the vessel（）.
A. intends to alter course to starboard
B. intends to pass starboard to starboard
C. is altering course to starboard
D. intends to pass port to port
[单项选择]This machine works very well so long as no one（）with it.
A. interferes
B. disturbs
C. upsets
D. interrupts
[单项选择]A long pole with a hook at one end，used to reach for lines，is known as a（）.
A. pike pole
B. jack staff
C. line rod
D. hooker
[单项选择]The network administrator needs to address seven LANs. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used. What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?（）
A. 8
B. 6
C. 30
D. 32
E. 14
F. 16
