网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
______is a rounded projection at the forward end of a ship which reduces water resistance，thus allowing an increase in speed when the ships is in ballast．
A.Bulbous bow
B.Ellipse bow
C.Cyclical projection
D.Gnomonic projection
参考答案
更多 “ ______is a rounded projection at the forward end of a ship which reduces water resistance，thus allowing an increase in speed when the ships is in ballast．A.Bulbous bowB.Ellipse bowC.Cyclical projectionD.Gnomonic projection ” 相关考题
考题
In moving forward, a ship imparts forward motion to the water at the stems, this is known as _____.A.the speed of the vesselB.the speed of the propellerC.the wakeD.the wake fraction
考题
Evaluate this SQL statement:In the statement, which capabilities of a SELECT statement are performed?()
A. Selection, projection, joinB. Difference, projection, joinC. Selection, intersection, joinD. Intersection, projection, joinE. Difference, projection, product
考题
Which statement about damage control is TRUE ________．A.A hole in the hull at the waterline is more dangerous than a hole below the inner bottomB.The amount of water entering a ship through a hole varies inversely to the area of the holeC.Water flowing into a lower compartment on a ship is more dangerous than water on deck or flowing into an upper compartmentD.Water flowing over the forecastle bulwark is more dangerous than a hole in the hull at the waterline
考题
The ______ is used when a ship is moving forward at very slow speed due to minimal water flow over the rudder and the ship is not responding to helm．A.approach speedB.bow thrustC.transverse thrustD.kick ahead
考题
The number and position of hydrants arranged on board shall be such that _______，one of which shall be from a single length of hose，may reach any part of the ship normally accessible to the passengers or crew while the ship is being navigated．A.at least two jets of water which shall be from the same length of hoseB.at least two jets of water emanating from the same hydrantC.at least two jets of water not emanating from the same hydrantD.at least two jets of water not emanating from the same hydrant，one of which shall be from a single length of hose
考题
______is the number of millimeters by which the mean draft changes when a ship passes from salt water to fresh water，or vice versa，whilst floating at the loaded draft．A.TPCB.The Fresh Water AllowanceC.Parallel sinking of the shipD.UKC
考题
A protective suit which reduces the body heat-loss of a person wearing it in cold water is called______．A.water suitB.diving suitC.immersion suitD.swimming suit
考题
VLAN maps have been configured on switch R1. Which of the following actions are taken in a VLAN map that does not contain a match clause？ （）A、 Implicit deny feature at end of list.B、 Implicit deny feature at start of list.C、 Implicit forward feature at end of listD、 Implicit forward feature at start of list.
考题
Topside paint is applied to the area of the ship’s （）which is out of water when the ship is loaded.A、hullB、cabinC、cargo holdD、deck
考题
According to Ohm’s Law， which of the following is correct？（）A、As voltage increases， resistance decreasesB、As amperage decreases， resistance decreasesC、As resistance decreases， amperage increasesD、As resistance increases， voltage increases
考题
单选题The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.A
trimB
yawC
heelD
loll
考题
单选题When a ship is entering to shallow water, ship resistance will be increased and the speed of main engine reduced.Due to the function of the governor, the main engine will（）A
reduce fuel feedingB
increase fuel feedingC
keep original fuel feedingD
be overspeed
考题
单选题（）is applied to the area of the ship’s hull which is out of water when the ship is loaded.A
Boottopping paintB
Topside paintC
Bottom paintD
Primer
考题
单选题（）is placed in the front of the ship under the water,which eases berthing or ma-noeuvering sideways at slow speed.A
The bulbous bowB
The anchorC
The bow thursterD
The propeller
考题
单选题As a ship moves through the water，it causes a wake，which is also moving forward relative to the sea. In addition to a fore and aft motion，this wake also has a(n)（）.A
downward and inward flowB
downward and outward flowC
upward and inward flowD
upward and outward flow
考题
单选题Under ISM Code the ship to which it applies has to carry （）A
an International Ship Security CertificateB
an International Oil Pollution Prevention CertificateC
a Safety Management CertificateD
an International Ballast Water Management Certificate
考题
单选题VLAN maps have been configured on switch R1. Which of the following actions are taken in a VLAN map that does not contain a match clause？ （）A
Implicit deny feature at end of list.B
Implicit deny feature at start of list.C
Implicit forward feature at end of listD
Implicit forward feature at start of list.
考题
单选题I have steerage way. It is said that（）.A
I am underwayB
I am out of controlC
I am not making way through the waterD
I have the amount of movement forward which the ship needs to be steered properly
考题
单选题When a ship in loaded condition floats at arbitrary water line, its displacement is to the relevant mass of water displaced by the ship（）A
equalB
largerC
smallerD
equivalent
考题
单选题（）length of the ship measured from extreme points of the ship forward and aft.A
Length overallB
After perpendicularC
AmidshipsD
Extreme breadth
考题
单选题A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?（）.A
If one screw is stopped，the ship will turn toward the side of the stopped screwB
The principal force which turns the ship is set up by the wake against the forward side of the rudderC
Turning response by use of the rudder only is greater than on a single-screw vesselD
With the rudder amidships，the ship will steer a fairly steady course
考题
单选题Under ISPS Code the ship to which it applies has to carry（）A
an International Ship Security CertificateB
an International Oil Pollution CertificateC
a Safety Management CertificateD
an International Ballast Water Management Certificate
考题
单选题In which case is the IOPP Certificate of an inspected vessel NOT invalidated? （）A
The required oily-water separator malfunctionsB
The ship is transferred to Liberian registryC
An annual survey is conducted fifteen months after the date of certificate issuanceD
A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator
考题
单选题The centre of lateral resistance is（）.A
the center of the hydrodynamic forces acting on the underwater hull to resist the effect of the windB
the point of influence of wind on the shipC
the pivot pointD
the point on the ship's above-water structure upon which the whole force of the wind can be considered an act
考题
单选题Your vessel is listening 4°to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by th end with one foot of freeboard at the bow. Which action should you take first?（）A
Press up the slack No.1 starboard double bottom tankB
Pump out the forepeak tankC
Eliminate the water in the tween decks aftD
Jettision stores out of the paint locker in the focsle
热门标签
最新试卷
