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）
screw
参考答案
更多 “screw” 相关考题
考题
When turning a ship in restricted space with a strong wind，it is normally best to ______．A.Go ahead on both engines with the rudder hard to one side，if on a twin-screw vesselB.Back down with the rudder hard to one side，if on a single-screw vesselC.Take advantage of the tendency to back to port，if on a twin-screw vesselD.Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
考题
A vessel is equipped with a single right-handed screw.With rudder amidships and calm wind, the vessel will most likely back ______.A.straight asternB.to portC.to starboardD.in no particular direction
考题
A twin-screw ship going ahead on the starboard screw only tends to move ______.A.in a straight lineB.to portC.from side to sideD.to starboard
考题
A technician dropped a screw in the case of a desktop computer. Which of the following toolsshould be used to retrieve the screws?（）A、Computer vacuumB、Plastic tweezersC、Canned airD、Screwdriver with magnetized tip
考题
Which of the following would be the BEST device to use when removing a loose screw from theinside of a laptop?（）A、Needle-nose pliersB、Extension magnetC、Locking pliersD、Loopback plug
考题
A technician is trying to retrieve a screw that fell inside a case and is just out of reach. Which of the following is the BEST procedure to retrieve the screw?（）A、Turn the case upside down, shake gently and let the screw fall out.B、Use a shop vacuum to retrieve the screw.C、Use the hardware abstraction layer (HAL).D、Use an extension magnet.
考题
单选题The boat is stowed on the davit rather than on a cradle with which type of davit?（）A
CrescentB
Sheath-screw boomC
QuadrantalD
Radial
考题
单选题A twin-screw ship going ahead on the starboard screw only tends to move（）.A
in a straight lineB
to portC
from side to sideD
to starboard
考题
单选题A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel（）.A
permits the rudder to move fasterB
generates more powerC
can turn without using her rudderD
can suck the water away from the rudder
考题
单选题A screw pump belongs to （） according to its working principle.A
reciprocating pumpsB
positive displacement pumpsC
centrifugal pumpsD
centripetal pumps
考题
单选题A single-screw vessel going ahead tends to turn more rapidly to port because of propeller（）.A
discharge currentB
suction currentC
sidewise forceD
thrust
考题
单选题While moving ahead，a twin-screw ship has an advantage over a single-screw ship because （）.A
correct trim will be obtained more easilyB
drag effect will be cancelled outC
side forces will be eliminatedD
speed will be increased
考题
单选题In a （） the center screw is driven and the outer screws idle.A
single screw pumpB
double-screw pumpC
triple screw pumpD
centripetal pump
考题
单选题The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.A
bossB
knuckleC
skegD
strut
考题
单选题A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind，the vessel will most likely back（）.A
straight asternB
to portC
to starboardD
in no particular direction
考题
单选题The most suitable pump for oily water separator feed duties is （）.A
a reciprocating pumpB
a vane pumpC
a centrifugal pumpD
a triple screw pump
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The cylinder covers and the liners are bolted together by means of studs （） the cylinder frames.A
screwing intoB
being screw onC
to screw onD
screwed into
考题
单选题When start a screw pump, the by pass valve should be （）.A
closedB
opened fullyC
cracked openD
partly open
考题
单选题One of the main differences between the various types of screw pumps is in the （）.A
stuffing box diameterB
direction of rotation of the screwsC
pitch of the screwsD
type of driving gears
考题
单选题When turning a ship in restricted space with a strong wind，it is normally best to（）.A
Go ahead on both engines with the rudder hard to one side，if on a twin-screw vesselB
Back down with the rudder hard to one side，if on a single-screw vesselC
Take advantage of the tendency to back to port，if on a twin-screw vesselD
Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
考题
单选题Limit switches are used on which davits?（）A
Sheath-screw davitsB
Gravity davitsC
Radial davitsD
Quadrantal davits
热门标签
最新试卷