更多"What’s the advantage when using the"的相关试题:
[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]The advantage of geostationary satellites is（）.
A. the range of antenna can cover everywhere in the world
B. we can know the ship’s exact position
C. that the distress alert can be located as soon as possible
D. antenna of permanent earth stations may be directed towards fixed points in the sky
[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]When towing，what is the main reason for using a chain bridle on a wire hawser（）.
A. It makes for an easy connection
B. It gives a spring effect to cushion the shock
C. It eliminates the necessity of a swivel
D. It does not chafe
[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]Strengthening damaged bulkheads by using wood or steel is called（）.
A. bracing
B. battening
C. blocking
D. shoring
[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 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]What occurs when rising air cools the dew point?（）
A. advection fog forms
B. humidity decrease
C. wind increase
D. Cloud form
[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 generally occurs when the land is cooler than the nearby water? （）
A. A land breeze
B. A sea breeze
C. A norther
D. A prevailing westerly
[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
[单项选择]What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel（）.
A. Jacob's ladder
B. Manropes
C. Heaving lines
D. All of the above
[单项选择]For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
A. Plotting radio bearings over a long distance
B. Determining latitude and longitude of a fix
C. Measuring rhumb line distances
D. Measuring rhumb line directions
[单项选择]When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
A. a straight line drawn on the chart approximates a great circle
B. the chart should not be used outside of the standard parallels
C. the course angle is measured at the mid-longitude of the track line
D. distance cannot be measured directly from the chart
