更多"Damaged bulkheads often take a perm"的相关试题:
[单项选择]Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this，you should（）.
A. install shoring so the shoring supports the damaged bulkheads without pushing on them
B. install shoring so that it pushes on the damaged bulkhead while supporting it
C. use jacks or chain falls to remove the set before installing shores
D. place sandbags by the bulkhead without installing shores
[单项选择]Which set of commands is recommended to prevent the use of a hub in the access layer?（）
A. switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security maximum 1
B. switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security mac-address 1
C. switch(config-if)#switchport mode access switch(config-if)#switchport port-security maximum 1
D. switch(config-if)#switchport mode access switch(config-if)#switchport port-security mac-address 1
[单项选择]If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? （）
A. ip default-gateway 0.0.0.0
B. ip route 172.16.2.1 0.0.0.0 0.0.0.0
C. ip default-network 0.0.0.0
D. ip default-route 0.0.0.0 0.0.0.0 172.16.2.1
E. ip route 0.0.0.0 0.0.0.0 172.16.2.1
[单项选择]Which of the listed set of conditions indicates early fuel injection timing?（）
A. Loss of engine power and high exhaust temperatures
B. Higher than normal firing pressure and low exhaust temperatures
C. High fuel consumption and high exhaust temperatures
D. Lower than normal compression pressure and high exhaust temperature
[单项选择]Which of the following types of motors is often designed for use in correcting power factor?（）
A. Polyphase
B. Wound-rotor
C. Induction
D. Synchronous
[单项选择]When Americans take a break, they often head（）their favorite vacation place.
A. into
B. onto
C. over
D. for
[单项选择]Which of the following will take place if the clearance of the main bearings are excessive?（）
A. bearing knocks
B. dropping of pressure of LO
C. noises
D. all the above
[单项选择]Which of the following may take place if the clearance of the main bearings are excessive?（）
A. bearing knocks
B. dropping of pressure of LO
C. noises
D. all the above
[单项选择]Which action should you take after sending a false distress alert on VHF?（）
A. Send a DSC cancellation message on Ch-70
B. Make a voice announcement to cancel the alert on Ch-16
C. Make a voice announcement to cancel the alert on Ch-13
D. Make a voice announcement to cancel the alert on Ch-22A
[单项选择]All the holds which are to take cereals in bags must be so cleaned that they meet the requirements of the（）.
A. local agent
B. cargo surveyor
C. accident investigator
D. general average adjuster
[单项选择]The profit from the camage of cargo,which is often called（）,keeps the mer-chant ship running.
A. obligation
B. freight
C. contract
D. delivery
[单项选择]Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west（）.
A. Heeling magnet
B. Flinders bar
C. Fore-and-aft magnets
D. All of the above can be set on magnetic east or magnetic west headings
[单项选择]Which magnetic compass corrector（s）can be set while the vessel is on a heading of magnetic north or magnetic south（）.
A. Quadrantal spheres
B. Heeling magnets
C. Flinders bar
D. Fore-and-aft magnets
[单项选择]Your radar is set on a true motion display.Which of the following will NOT appear to move across the PPI scope（）.
A. Echoes from a buoy
B. Own ship's marker
C. Echo from a ship on the same course at the same speed
D. Echo from a ship on a reciprocal course at the same speed
[单项选择]Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
A. gold， silver， bronze， and platinum
B. platinum， gold， silver， and bronze
C. titanium， gold， silver， and bronze
D. voice and video， best effort， background， and scavenger
E. voice， video， best effort， and background
F. voice， video， best effort， and scavenger
