更多"You are underway at 5 knots and see"的相关试题:
[单项选择]Your radar displays your ship off center．As you proceed on your course， your ship’s marker moves on the PPI scope while echoes from land masses remain stationary.What is this display called（）.
A. Off center
B. True motion
C. Stabilized
D. Head up
[单项选择]In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should（）.
A. stop your engines
B. sound the danger signal at two-minute intervals
C. hold course and speed until the other vessel is sighted
D. take avoiding action as soon as possible
[单项选择]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]If you see someone fall overboard from a ship，you should（）.
A. immediately jump in the water to help the individual
B. call for help and keep the individual in sight
C. run to the radio room to send an emergency message
D. go to the control room for the distress flares
[单项选择]As you approach Shreves cut-off you see Red River LandingGage (302.4 AHP) which reads 4.2 feet. Which of thefollowing statements is TRUE? （）
A. This reading is at the same elevation as the 6.2 ft. mark on the gage at Head of Passes
B. A vessel drawing 8 ft would be able to pass over the sill at Old River Lock
C. This reading is 6.4 feet below the Low Water Reference Plane
D. A vessel drawing 7 ft. would be able to pass through the locks at Lower Old River
[单项选择]When navigating in thick fog with the radar on，you should（）.
A. station the look-out in the wheelhouse to keep a continuous watch on the radar
B. secure the sounding of fog signals until a vessel closes within five miles
C. station a look-out as low down and far forward as possible
D. keep the radar on the shortest available range for early detection of approaching vessels
[单项选择]As you approach mile 659.4 AHP，you see on the right descending bank a flashing green light. This light marks（）.
A. a lock that is open
B. a sunken barge
C. a dolphin，water intake and discharge
D. the end of a wharf
[单项选择]As you approach mile 427.6 AHP，you see on the right side a white buoy with orange bands and diamond. This buoy marks（）.
A. a cable crossing
B. a sunken barge
C. a submerged discharge pipe
D. the end of a wharf
[单项选择]You see another vessel approaching，and its compass bearing does not significantly change.This would indicate that（）.
A. You are the stand-on vessel
B. Risk of collision exists
C. A special circumstances situation exists
D. The other vessel is dead in the water
[单项选择]Which condition indicates that your radar needs maintenance?（）
A. Serrated range rings
B. Indirect echoes
C. Multiple echoes
D. Blind sector
[单项选择]You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.
A. Survey vessel
B. Vessel not under command
C. Vessel aground
D. Pilot vessel with port side to you
[单项选择]You see a vessel carrying a black diamond which indicates a（）.
A. vessel towing astern
B. barge pushed ahead
C. vessel towing astern only when the length of her tow exceeds 200 meters
D. this signal does not exist in international waters
[单项选择]When did you see her? What （） then?
A. was she doing
B. did she do
C. is she doing
D. has she hone
[单项选择]You see an iceberg that has not been reported. What kind of radio message do you transmit to warn others?（）.
A. Safety message
B. Urgency message
C. Distress message
D. Routine message
[单项选择]At night，if you see a vessel ahead displaying the lights shown you should（）.
A. provide assistance as the vessel is in distress
B. stay clear as the vessel is transferring dangerous cargo
C. stay clear as the vessel is fishing
D. change course to the right as the vessel is crossing your bow
[单项选择]If you see anybody fall overboard，act as follows except（）.
A. tell an officer/crew the person's position in the water，or telephone the bridge immediately
B. throw lifebuoys overboard
C. call out "Man overboard" and keep your eyes on the person in the water
D. try to find medicine for the person to use when he is rescued
[单项选择]If you see someone fall overboard from a vessel，you should（）.
A. immediately jump in the water to help the individual
B. call for help and keep the individual in sight
C. run to the radio room to send an emergency message
D. go to the control room for the distress flares
[单项选择]While reading the muster list, you see that "three short blasts on the ships whistle and the same signal on the general alarm bells" is the signal for （）.
A. abandon ship
B. dismissal from drills
C. fire and emergency
D. man overboard
