更多"Which is the proper method of deter"的相关试题:
[单项选择]What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions（）.
A. One shot of chain for every ten feet of water
B. One shot of chain for every fifteen feet of water
C. One shot of chain for every thirty feet of water
D. One shot of chain for every ninety feet of water
[单项选择]One method of determining crankshaft misalignment is by（）
A. laying a straight edge across the crank webs at the crankpin and measuring the distance to the crankpin in two places
B. measuring the crank drop on either side of each crank throw while the crankshaft is slowly rotated through one revolution
C. rotating the crankshaft through one revolution, pausing each 90oof rotation to measure bearing clearances, top and bottom
D. taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation
[单项选择]The most accurate method of determining gyrocompass error while underway is by（）.
A. Comparing the gyro azimuth of a celestial body with the computed azimuth of the body
B. Comparing the gyro heading with the magnetic compass heading
C. Determining from the chart the course made good between celestial fixes
D. It cannot be determined accurately at sea due to drift of unknown currents
[单项选择]（）is not a proper office at which a note of sea protest should be filed.
A. Consul
B. Notary Public
C. Marine Protest Office
D. Diplomatic Representative
[单项选择]The best method of determining if a vessel is dragging anchor is to note（）.
A. the amount of line paid out
B. how much the vessel sheers while at anchor
C. any change in the tautness of the anchor chain
D. changes in bearings of fixed objects onshore
[单项选择]Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker? （）
A. Contamination of the cargo
B. Flash points
C. Reid vapor pressures
D. Specific gravities
[单项选择]The simplest method to use for determining if a centrifugal pump is operating as designed, is to （）.
A. closely observe the pump discharge temperature
B. close off the discharge valve, and watch for a rise in pressure
C. momentarily close off the suction valve, and watch for a rise in pressure
D. use a clamp on ammeter and compare the readings to past records
[单项选择]The primary method by which water spray puts out fires is by（）.
A. removing the oxygen
B. cooling the fire below the ignition temperature
C. removing combustible material
D. diluting combustible vapors
[单项选择]The hand steering is a method by which the motion of the rudder is controlled with （）.
A. a motor-driven steering wheel
B. a pneumatic steering wheel
C. a hand-driven steering wheel
D. an electric steering wheel
[单项选择]Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?（）
A. Start ventilation，lower the ramp，notify engine room
B. Lower the ramp，start ventilation，notify engine room
C. Notify engine room，lower the ramp，start ventilation
D. Start ventilation，notify engine room，lower the ramp
[多项选择]Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch?（）
A. SW1#show swithport port-security interface FastEthernet 0/12
B. SW1# show swithport port-secure interface FastEthernet 0/12
C. SW1# show port-secure interface FastEthernet 0/12
D. SW1#show running-config
E. SW1#show port-security interface FastEthernet 0/12
[单项选择]Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
A. Crossing the spring lines
B. Slacking all forward running lines while keeping all after running lines taut
C. Doubling up on spring or breast lines
D. Slacking bow and stern lines
[单项选择]Which firefighting method is an example of an indirect attack on a fire?（）.
A. Bouncing a straight stream of water off the overhead to create spray effect
B. Spraying foam on a bulkhead and letting it flow down and over a pool of burning oil
C. Flooding a paint locker with CO2 and sealing the compartment
D. Cooling adjacent bulkheads with water to prevent the spread of the fire by conduction
