更多"Lines on a chart which connect poin"的相关试题:
[单项选择]Manila lines in which the strands are right-hand laid（）.
A. should be coiled in a clockwise direction
B. should be coiled in a counterclockwise direction
C. may be coiled either clockwise or counterclockwise
D. should never be coiled
[单项选择]Isogonic lines are lines on a chart indicating （）.
A. points of equal variation
B. points of zero variation
C. the magnetic latitude
D. magnetic dip
[单项选择]Chart legends which indicate a conspicuous landmark are printed in（）.
A. capital letters
B. italics
C. boldface print
D. underlined letters
[单项选择]On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen，lying tangent to the flammability range，is called the（）.
A. mimimum oxygen content line
B. critical displacement line
C. critical dilution line
D. upper threshold limit
[单项选择]A line on a weather chart connecting places which have the same barometric pressure is called an（）.
A. isotherm
B. isallobar
C. isobar
D. isotope
[单项选择]On a Mercator chart，1 nautical mile is equal to（）.
A. 1 minute of longitude
B. 1 degree of longitude
C. 1 minute of latitude
D. 1 degree of latitude
[单项选择]The survey information upon which a chart is based is found （）.
A. at the top center of the next line
B. near the chart title
C. at the lower left corner
D. at any convenient location
[单项选择]The revision date of a chart is printed on which area of the chart? （）
A. Top center
B. Lower-left corner
C. Part of the chart title
D. Any clear area around the neat line
[单项选择]Which chart symbol indicates the bottom is clay（）.
A. Cly
B. Cla
C. Cl
D. C
[单项选择]The agency which assigns load lines and issues Load Line Certificates is the （）.
A. the Bureau of Shipping
B. Secretary of Commerce
C. the Customs
D. MSA or Coast Guard
[单项选择]Which information is found in the chart title（）.
A. A rhumb line appears as a straight line
B. Distance is measured at the midlatitude of the track line
C. Meridians appear as curved lines converging toward the nearer pole
D. Parallels，except the equator，appear as curved lines
[单项选择]Which extinguishing agent is best for use on a magnesium fire?（）
A. Water
B. Sand
C. CO2
D. Dry chemical
[单项选择]Which aid is NOT marked on a chart with a magenta circle? （）
A. Aero light
B. Radar station
C. Radar transponder beacon
D. Radiobeacon
[单项选择]Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
A. Crossing the spring lines
B. Slacking all forward running lines while keeping all after running lines taut
C. Doubling up on spring or breast lines
D. Slacking bow and stern lines
[单项选择]Which method is used to detect rot in manila lines?（）
A. Feeling the surface of the line for broken fibers
B. Measuring the reduction in circumference of the line
C. Observing for the appearance of mildew on the outer surface
D. Opening the strands and examining the inner fibers
