更多"When towing，what is the main reason"的相关试题:
[单项选择]When using an ARPA，what should you consider in order to evaluate the information displayed?（）
A. The target vessel's generated course and speed are based solely on radar inputs
B. Navigational constraints may require a target vessel to change course
C. The trial maneuver feature will automatically determine a course that will clear all targets
D. You cannot determine if a small target has been lost due to sea return
[单项选择]What’s the advantage when using the satellites?（）
A. The message can be directed to the desired location
B. The message can follow the earth‟s curvature
C. The quality of message can not be affected by climatic
D. the range of the message extend and the quality of reception is improved
[单项选择]When communicating on the radiotelephone using plain English，what procedure word indicates the end of my transmission and that a response is necessary? （）
A. Out
B. Over
C. Roger
D. Wilco
[单项选择]When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
A. The objects lie in a straight line
B. The vessel is inside of a triangle formed by the objects
C. The vessel is outside of a triangle formed by the objects
D. A circle will pass through your position and the three objects
[单项选择]When towing astern what equipment should be stowed ready for use near the towline?（）
A. First aid kit
B. Axe or cutting torch
C. Fire extinguisher
D. Chafing gear
[单项选择]When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）
A. starting air pressure
B. scavenge air pressure
C. over-speed trip
D. banjo oiler line
[单项选择]When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of（）.
A. 10 meters
B. 20 meters
C. 50 meters
D. 100 meters
[单项选择]When using the term limber system one is referring to a（）.
A. Cleaning system
B. Drainage system
C. Strengthening system
D. Weight reduction system
[单项选择]When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
A. the meridian through the object of the bearing
B. the meridian through the ship's position
C. the meridian midway between the ship and the object
D. any meridian
[单项选择]When using the radar for navigating（）.
A. the best fix is obtained by using a tangent bearing and a range
B. and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearings
C. and using ranges，the most rapidly changing range should be measured last
D. and crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart
[多项选择]What are two considerations to using IP Multicast delivery? （）
A. no congestion avoidance
B. not for bandwidth intensive applications
C. no guaranteed delivery mechanism
D. source sends multiple data streams out each interface
[多项选择]What can a network administrator utilize by using PPP Layer 2 encapsulation (Choose three.) （）。
A. VLAN support
B. compression
C. authentication
D. sliding windows
E. multilink support
F. quality of service
[单项选择]What is the main purpose of dunnage（）.
A. To act as ballast for light vessels
B. To provide ventilation and drainage for cargo
C. To secure the tarpaulins in place
D. To support weakened bulkheads
[单项选择]What is the recommended practice when considering VPN termination and firewall placement?（）
A. have the firewall and VPN appliance deployed in parallel
B. place the VPN in line with the firewall, with the VPN terminating inside the firewall
C. place the public side of the VPN termination device in the DMZ behind a firewall
D. place the VPN in line with the firewall, with the VPN terminating outside the firewall
[单项选择]When the ship, its main propulsion device equipped with clutch, arrived at the port and finished with the engine, the correct operation should be（）
A. disengaging the clutch firstly, then stopping the main engine
B. stopping the main engine firstly, then disengaging the clutch
C. stopping the cooling water pump firstly, then stopping the main engine
D. stopping the main engine and disengaging the clutch at the same time
[单项选择]When using the lifeboat compass，you must be careful to（）.
A. set it on the centerline of the boat
B. apply the correction for compass error
C. keep metal objects away from it
D. All of the above
