更多"A “loose” tow may cause all of the "的相关试题:
[单项选择]A “loose” tow may cause all of the following EXCEPT（）.
A. loss of maneuverability
B. lines to part
C. damage to the towing vessel and tow
D. a saving in the transit time
[单项选择]If a hydraulic pump is overheating, the cause may be （）.
A. excessive internal leakage in the pump
B. low discharge pressure and fluid flow
C. excessive fluid level in the hydraulic reservoir
D. operation of the pump at 100% efficiency
[单项选择]Defense plans may cause the operation of electronic aids to navigation to be suspended with （）.
A. no notice
B. one day's notice
C. a week's notice
D. thirty (30) days notice
[单项选择]
Which of the following may cause that excessively warm water leaves the condenser in a refrigeration plant? （）
(1) too little cooling water
(2) too much cooling water
(3) too warm cooler water
A. （1）only
B. anyof（1），（2）and（3）
C. anyof（1）and（3）
D. anyof（1）and（2）
[单项选择]If a DC motor runs hot, the cause may be （）
A. high mica condition
B. low ambient temperature
C. clogged ventilation ducts
D. an open in the shunt field
[单项选择]
Which of the following may cause that the compressor cuts off on high pressure cutout in a refrigeration plant? （）
(1) faulty condensing
(2) too few refrigerant
(3) high discharge pressure
A. any of (1) and (3)
B. any of (1) and (2)
C. any of (2) and (3)
D. any of (1), (2) and (3)
[单项选择]Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
A. Loading
B. Discharging
C. Crude oil washing
D. Steaming tanks
[单项选择]Which of the following may cause that an engine doesnt turn on starting air?（）
A. too low starting air pressure
B. main starting valve closed
C. neither A nor B
D. A and B
[单项选择]（） may be the first possible cause which makes the engine to lose power or slow down when it is running.
A. Hot bearing
B. Starting valves
C. Unequal distribution of load
D. Excessive crankshaft clearance
[单项选择]Waterside scale in a fire-tube boiler may cause （）.
A. increased heat transfer
B. fireside erosion
C. high steam demand
D. overheated tubes
[单项选择]The monitoring function may serve all of the following purposes except（）
A. instigating corrective action
B. indicating values of controlled variables
C. warning of off-limit conditions
D. providing record of performance
[单项选择]A tow bridle is attached to the main tow hawser at the（）.
A. bight ring
B. tow hook
C. fishplate
D. swivel
[单项选择]If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to（）.
A. change course
B. slow down
C. heave to
D. adjust tow line length
[单项选择]A seaman may have all or part of his wages deposited by allotment to a bank or savings institution. Which of the following is NOT a requirement for this type of allotment? （）
A. The account must be either a checking or savings account
B. The institution must be insured by the FSLIC or FDIC
C. The account must be opened by the seaman and maintained in the seaman's name
D. All of the above are requirements
[单项选择]In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.
A. insure that the hawser leads directly aft as it passes over the stern of the towing vessel
B. increase the stability of the towing vessel by raising the hawser off the deck
C. reduce chafing of the towing hawser
D. prevent fouling of the hawser on deck gear located on the stern of the towing vessel
[单项选择]A tow that veers to the side on the end of the towline is said to（）.
A. yaw
B. surge
C. sway
D. swing
[单项选择]Ballast water can only be（）in cargo tanks in exceptional cases where the particular character of the operation of an oil tanker renders it necessary to carry ballast water in excess of the quantity required，provided that such operation of the oil tanker falls under the category of exceptional cases as established by the Organization.
A. carried
B. contained
C. filled
D. stuffed
[单项选择]An all-round flashing yellow light may be exhibited by a(n)（）.
A. vessel laying cable
B. vessel towing a submerged object
C. vessel not under command
D. air cushion vessel
