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The step of a pilot ladder which prevents the ladder from twisting is the().
A . proof bar
B . shifting bar
C . long bar
D . spreader
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What should you do to a line to prevent fraying where it passes over the side of the vessel().
A . Worm that part of the line
B . Splice that part of the line
C . Cover it with chafing gear
D . Install a cleat
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The purpose of a preventer as it is used on a conventional yard and stay cargo rig is to().
A . allow greater than normal loads to be handled by the gear
B . act as an inboard guy in the event the inboard guy parts during cargo handling
C . assist the outboard guy in supporting stresses during cargo handling
D . prevent the inboard guy from parting due to stresses during cargo handling
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The device used for preventing the passage of flames into enclosed spaces is called a ().
A . flame relief valve
B . flame stopper
C . safety valve
D . flame arrester
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The purpose of the deck seal in an inert gas system is to prevent().
A . flammable vapors from entering machinery space
B . flue gas escaping to atmosphere
C . inert gas escaping to atmosphere
D . air entering inert gas system
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MOVING OF AN ANCHOR OVER THE SEA BOTTOM INVOLUNTARILY BECAUSE IT IS NO LONGER PREVENTING THE MOVEMENT OF THE VESSEL defines().
A . Dredging (of anchor)
B . Dragging (of anchor)
C . Weighing anchor
D . Walking out anchor
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A design modification of an anchor chain which prevents kinking is the().
A . detachable link
B . stud link
C . Kenter link
D . connection link
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()is used to prevent the entry of sea water to the machinery space.
A . A special sealing gland
B . Propeller
C . Tailshaft
D . Sterntube bearing
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The emergency bilge suction or bilge () is used to prevent flooding of the ship.
A、injection valve
B、relief valve
C、discharge valve
D、inlet filter
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The valve that prevents water from backing out of the boiler into the feed line is the().
A . bottom-blow valve
B . skin valve
C . feed-check valve
D . feed-stop valve
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Moving of an anchor over the sea bottom involuntarily because it is no longer preventing the movement of the vessel defines().
A . dredging ( of anchor )
B . dragging ( of anchor )
C . weighing anchor
D . walking out anchor
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Which of the following is the most effective technique to prevent source IPAddress spoofing?()
A . policy based routing (PBR)
B . unicast reverse path forwarding (uRPF)
C . lock and keyACL
D . RFC 1918filtering
E . IP source routing
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The spread of fire is prevented by().
A . cooling surfaces adjacent to the fire
B . leaving combustibles in the endangered area
C . increasing the oxygen supply
D . All of the above
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Which set of commands is recommended to prevent the use of a hub in the access layer?()
A . switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security maximum 1
B . switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security mac-address 1
C . switch(config-if)#switchport mode access switch(config-if)#switchport port-security maximum 1
D . switch(config-if)#switchport mode access switch(config-if)#switchport port-security mac-address 1
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The ability of the governor to prevent fluctuations in engine speed is termed ().
A . sensitivity
B . stability
C . promptness
D . speed droo
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The spread of fire is NOT prevented by().
A . shutting off the oxygen supply
B . cooling surfaces adjacent to the fire
C . removing combustibles from the endangered area
D . removing smoke and toxic gases by ensuring adequate ventilatio
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The emergency bilge suction or bilge injection valve is used to prevent () of the ship.
A . proceeding
B . overloading
C . collision
D . flooding
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What is placed on the under side of an inflatable liferaft to help prevent it from being skidded by the wind or overturned?()
A . Water pockets
B . A keel
C . Strikes
D . Sea anchor
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It is believed that Shennong is the same person as Yan Di.
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Whether a ship is sailing before the wind or sailing in the rough sea, we must reduce the fuel injection of the main engineFor the former one, it aims to prevent the main engine being , while for the later one, it aims to prevent the main engine being .
A.overspeed / overload
B.overload / overspeed
C.over torque / overspeed
D.low mechanical efficiency / overload
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Never use any drug unless there is a good reason, especially for the woman who is expecting a baby. Ask the patient if he has had previous drug reactions: if he has, be careful. It is estimated that more than half of the adverse reactions that are reported would be prevented if this were done. Ask the patient ff he is already receiving other drugs.
If possible, use a drug with which you are familiar. If you use a new drug, be especially on the watch for adverse reactions. Report serious or unusual reactions suspected as due to established drugs, and any reaction however slight that may be due to a newly marketed drug.
This is a set of recommendations for ______.
A.doctors prescribing for patients
B.doctors training people who take drugs
C.drug companies
D.persons who sell drugs
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The sying ’The devil is in the detils. ’ is used to imply tht______.Estoni’s new genThe sying ’The devil is in the detils. ’ is used to imply tht______.Estoni’s new genetic dt bnk hs immorl implictions B.while the overll ide is good, the detils of the genetic bnk’s workingsre flwed C.despite their efforts, the new lws my not prevent misuse of genetic dt D.it is inherently wrong to collect genetic dt
A.Estonia’s new genetic data bank has immoral implications
B.while the overall idea is good,the details of the genetic bank’s workings are flawed
C.despite their efforts, the new laws may not prevent misuse of genetic data
D.it is inherently wrong to collect genetic data
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A support produces()in a particular direction on its attached member if it prevents()of the member in that direction, and it produces()on the member if it prevents()
A.an external force, translation, an external couple moment, rotation
B.an internal force, translation, an internal couple moment, rotation
C.an internal force, movement, a couple moment, translation
D.an external force, translation, an internal couple moment, translation