更多"While sailing under normal weather "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]In observing rig motion while under tow，the period of roll is the time difference between（）.
A. zero inclination to full inclination on one side
B. full inclination on one side to full inclination on the other side
C. full inclination on one side to the next full inclination on the same side
D. zero inclination to the next zero inclination
[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]While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards，the lookout may be（）.
A. the helmsman
B. the mate on watch
C. Either A or B
D. Neither A nor B
[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]While inspecting the steering system at sea, you should check for （）.
A. air bubbles in the sight glass
B. any leaks in the system
C. over-travel in the rudder angle indicator
D. lost motion in the rams
[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]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]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]Under the Carriage of Goods by Sea Act of 1936，a vessel will be liable for damage to cargo when the damage arises out of（）.
A. poor stowage of cargo in a container
B. fire caused by lightning
C. overloading
D. inherent vice
[单项选择]Which of the listed cylinder liner surface conditions indicates proper lubrication?（）
A. Dull black appearance
B. Bright appearance
C. Thin layer of lacquer
D. Thick oily film
[单项选择]Simplex tailshaft seal equipment’s working condition is terribleThe main cause is （）
A. the shafting’s vertical vibration
B. violent friction and sea water corrosive
C. friction and high temperature
D. violent friction and high temperature
