更多"Under normal weather and sea condit"的相关试题:
[单项选择]Under normal weather and sea conditions when securing a stack of containers with non-locking fittings，lashings are required when the tier exceeds what height?（）.
A. Lashings are always required
B. One container
C. Two containers
D. Three containers
[单项选择]While sailing under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine is （）
A. power of main engine
B. turbine rotation speed
C. speed of main engine
D. exhaust temperature
[单项选择]When anchoring a vessel under normal conditions，which scope of chain is recommended? （）
A. Four times the depth of water
B. Two and one-half times the depth of water
C. Five to seven times the depth of water
D. Fifteen times the depth of water
[单项选择]Messages concerning weather conditions transmitted by radiotelephone are preceded by（）.
A. MAYDAY
B. PAN-PAN
C. SECURITE
D. SOS
[单项选择]When the GMDSS Radio Operator on watch hears“SECURITE”spoken three times he can expect to receive a message concerning（）.
A. The safety of navigation or important meteorological warnings
B. The safety of a vessel or a person is in jeopardy
C. A vessel in need of immediate assistance
D. A coast station traffic list
[单项选择]Which general weather conditions should you expect to find in a low pressure system（）.
A. Fair weather
B. Precipitation and cloudiness
C. Scattered clouds at high elevations
D. Gradual clearing and cooler temperatures
[单项选择]Weather conditions in the middle latitudes generally move（）．
A. Eastward
B. Westward
C. Northward
D. Southward
[单项选择]When distilling sea water the cooling water discharging from the distiller is fed back to evaporator as feed water （）.
A. to decrease scale formation
B. for better cooling effect
C. for more economical purpose
D. to raise vacuum
[单项选择]In extreme weather conditions, either hot or cold, control of the air conditioning plant presents （） difficulties.
A. few
B. little
C. a little
D. less
[单项选择]Some areas, （） their severe weather conditions, are sparsely populated.
A. due to
B. but for
C. in spite of
D. with regard to
[单项选择]Under normal conditions a liferaft is released from itscradle by（）.
A. cutting the restraining strap
B. unscrewing the turnbuckle on the back of the cradle
C. lifting one end of the raft
D. pushing the plunger on the center of the hydrostatic release
[单项选择]Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the （）.
A. first stage
B. second stage
C. distillate cooler
D. salt water feed heater
[单项选择]Under normal conditions, the refrigerant enters the compressor in an operating refrigeration system as a （）.
A. liquid
B. dry saturated gas
C. wet saturated gas
D. superheated vapor
[单项选择]At normal sea going, we use （） instead of donkey boiler.
A. a heater
B. a pre-heater
C. an exhaust gas boiler
D. the coal burning boiler
[单项选择]Under normal conditions, the quantity of air circulation becomes less and less.What is the reason?（）
A. dirty delivery ducts
B. too much refrigerant
C. the fouling filters
D. high temperature outside
[单项选择]Under normal operating conditions, the rudder is hydraulically locked unless （）.
A. the manual trick wheel is engaged for steering
B. the variable stroke pump is off stroke
C. a rudder order is given by the control system
D. an electric power system failure occurs at the steering gear
[单项选择]Under normal conditions, the main source of crankcase oil contamination is attributed to （）
A. metal particles loosened by wear
B. air when air cleaners are not used
C. condensation of water vapors
D. breakdown of the lubricating oil by dilution
[单项选择]A fire is considered "under control" when （）.
A. all hands are at their fire stations
B. all fire-fighting equipment is at the scene
C. the fixed systems are activated
D. the fire is contained and no longer spreading
[单项选择]Under the Carriage of Goods by Sea Act of 1936，a vessel will be liable for damage to a cargo when the damage arises out of（）.
A. delays due to seizure of the vessel
B. fire caused by fault of the carrier
C. strikes or lockouts
D. improper stowage
