更多"Topside icing that blocks freeing p"的相关试题:
[单项选择]Topside icing decreases vessel stability becauseit increases（）.
A. displacement
B. free surface
C. draft
D. KG
[单项选择]All lighterage in or off ports of loading or ports of discharge shall be for the account of （）.
A. the carrier
B. the merchant
C. the owner
D. the shipper
[单项选择]Topside icing decreases vessel stability because it is usually off-center and（）.
A. increases displacement
B. increases the height of the center of gravity
C. increases draft
D. reduces the pocketing of free surface
[单项选择]Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）
A. IBSS
B. BSS
C. ESS
D. SSID
[单项选择]The information regarding ports such as buoyed channels,fairway,location and number of terminals,river channels,details of navigational marks,location of overhead bridges, underground cables etc. are shown in（）
A. small-scale charts
B. medium-scale charts
C. large-scale charts
D. natural scale charts
[单项选择]Directional intake ports in diesel engines are used to （）.
A. reduce air charge turbulence
B. induce air swirl
C. deflect hot combustion gas away from the valves
D. oppose the effects of piston induced squish
[单项选择]We shall（）some ports in Canada.
A. call at
B. call on
C. call in
D. call up
[单项选择]The exhaust ports are located around the lower part of the cylinder liner, （）the products of combustion are driven by scavenging air.
A. in which
B. by which
C. through which
D. from which
[单项选择]After oil pollution occurs in Chinese ports，what action shall be first taken by ship’s Captain and Chief Engineer?（）
A. to use the oil dispersant
B. to organize the persons to collect the oil
C. to report the matter to MSA and ask for instructions
D. to put forward an accident report within 24 hours
[单项选择]The fuel is supplied to the pump through ports or openings in the （） or cylinder of the pump.
A. bottle
B. injector
C. piston
D. barrel
[单项选择]In order to keep excess oil from the intake ports in two-stroke/cycle diesel engines, （）
A. wide compression rings are used
B. oil rings are located above the piston
C. chromium plating is used on all piston rings
D. oil rings are located near the bottom of the piston skirt
[单项选择]When inspecting piston rings through the ports of a two-stroke/cycle diesel engine, black areas on the sealing surfaces are the result of （）
A. insufficient lubrication
B. improper piston cooling
C. blow-by
D. overload operation
[单项选择]The scavenging air ports are located at （） that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.
A. so a height
B. such a height
C. so high
D. such high
[单项选择]As the plunger moves up, the ports are closed and the fuel （） and delivered to the injector nozzle at very high pressure.
A. being compressed
B. to be pumped up
C. is pressurized
D. are built up
[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]Freeing ports on a vessel with soild bulwards（）.
A. prevent stress concentration in the bulwark
B. permit easy jettison of deck cargo in an emergency
C. provide opening through the bulwarks for mooring lines
D. allow water shipped on deck to flow off rapidly
[单项选择]The ports are drilled in the liners at an angle of approx 20℃ the result being that （） is given a rotary movement.
A. the scavenging air
B. the exhaust gases
C. the mixed air
D. the spray oil
[单项选择]A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffiC.What is the effect of adding switch ports to a new VLAN on the switch?（）
A. More collision domains will be created.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.
