更多"When inspecting a tank barge to see"的相关试题:
[单项选择]When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required?（）
A. The supervisor in charge of the dock to which the barge is tied up
B. Part 38 of the Rules and Regulations for Tankers
C. The Certificate of Inspection of the barge
D. The local fire marshal
[单项选择]Before welding in a tank that has carried petroleum products，the tank must be certified by （）.
A. the Coast Guard
B. the ABS
C. the shipyard fire department
D. a certified marine chemist
[单项选择]Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an（）.
A. Orsat apparatus
B. flame safety lamp
C. Halide torch
D. combustible gas indicator
[单项选择]A tank which has been sealed for a long period of time can be dangerous because （）.
A. steel surfaces consume oxygen by rusting
B. sealed tanks usually form a vacuum
C. moisture condenses in the tank, displacing the oxygen
D. most tank coatings give off poisonous vapors in the presence of moisture
[单项选择]Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.
A. the Customs
B. the Register Bureau of Shipping
C. the Shipyard Fire Department
D. a certified gas chemist
[单项选择]When one cylinder has a lower compression pressure and higher exhaust gas temperature than any of the other engine cylinders, which of the conditions listed will indicated?（）
A. Advanced ignition
B. Clogged air intake
C. Leaky exhaust valve
D. High exhaust pressure
[单项选择]When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A. filter to remove the fuel oil
B. use the settler to remove the fuel oil
C. remove the fuel oil by centrifuging
D. drain and then renew the lube oil supply
[单项选择]When a vessel has positive stability，the distance between the line of force through B and the line of force through G is called the（）.
A. metacentric height
B. righting arm
C. righting moment
D. metacentric radius
[单项选择]When a crankshaft has to be handled outside the engine, it should be carefully supported in a manner which will avoid （） high bending moments on it.
A. compressing
B. interposing
C. imposing
D. pounding
[单项选择]When oily ballast has been pumped overboard，an entry must be made in the（）.
A. Oil Record Book
B. Official Logbook
C. deck rough log
D. engine rough log
[单项选择]When a router has to make a rate transition from LAN to WAN, what type of congestion needs should be considered in the network design?（）
A. RX-queue deferred
B. TX-queue deferred
C. RX-queue saturation
D. TX-queue saturation
E. RX-queue starvation
F. TX-queue starvation
[单项选择]A tank has been sealed and unventilated for a long period of timeWhich of the following conditions does this indicate?（）
A. The tank is safe to enter
B. The tank is especially dangerous to enter
C. Carbon monoxide is present
D. Water vapor present when the tank was sealed has oxidized
[单项选择]When fueling has been completed（）.
A. the fuel tank fill pipe should be left open to allow vapors to vent from the tank
B. the engine should be started immediately to prevent vapor lock in the fuel line
C. all hatches should be opened and all compartments should be ventilated
D. open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
[单项选择]Movement of liquid in a tank when a vessel inclines causes an increase in（）.
A. righting arm
B. metacentric height
C. height of the uncorrected KG
D. natural rolling period
[单项选择]How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）
A. With gooseneck vents
B. With warning signs
C. With flame screens
D. With pressure-vacuum relief valves
