更多"（）are used for anchor gear in marin"的相关试题:
[单项选择]A vessel being towed astern，where the length of the tow exceeds 200 meters，will exhibit （）.
A. two balls in a vertical line
B. a diamond shape where it can best be seen
C. a ball on each end of the tow
D. no dayshape
[单项选择]Blocks and falls used as lifeboat gear must be designed with a minimum safety factor of（）.
A. 4，based on the breaking strength
B. 5，based on the maximum allowable stress
C. 6，based on the maximum working load
D. 8，based on the normal working load
[单项选择]Which of the following methods might be used as the treatment on emulsified oil?（）
A. gravity separation
B. centrifuge
C. Cyclone
D. Cross-flow membrane filtration
[单项选择]On an electro-hydraulic steering gear, which of the listed devices will keep the rudder from over-traveling the bridge signal?（）
A. Rudder angle indicator
B. Follow-up gear
C. Electric transmitter
D. Rudder angle limit switch
[单项选择]Chafing gear is used to（）.
A. anchor the boat
B. pick up heavy loads
C. protect fiber rope from abrasion
D. strengthen mooring lines
[单项选择]An oxygen indicator can be used to determine if there is（）.
A. sufficient oxygen in a compartment to support life
B. combustible gases present
C. hydrogen gases present
D. All of the above
[单项选择]Chafing gear is normally used（）.
A. for portable fenders
B. for ground tackle
C. on the inside of the hawsepipe
D. on mooring lines
[单项选择]Valve gear knocks are more easily located while the engine （）.
A. is running
B. stops
C. is repaired
D. lacks of oil
[单项选择]All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the（）.
A. date of the test
B. load at which a test sample broke
C. name of the vessel
D. number of strands and of wires in each strand
[单项选择]A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）
A. Factor of safety
B. Number of wires per strand
C. Number of strands per wire rope
D. Number of wires in the core
[单项选择]The tool used in precision work to smooth or enlarge a slightly undersized hole, is called（）
A. round out
B. round file
C. reamer
D. hole driller
[单项选择]Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
A. Chain
B. Wire rope
C. Webbing
D. All of the above
[单项选择]（）, where extensive work, particularly to the ship’s structure may be repairedThese are the result of groundings collisions and other accidents.
A. voyage repairs
B. routine docking
C. damage repairs
D. conversion
[单项选择]Peck and Hale gear is used most commonly for securing（）.
A. automobiles
B. baled cargo
C. large wooden crates
D. palletized cargo
