单选题The symbol (GB786√1-93) at right side represents （）Aoverflow valveBreducing valveCrelief valveDsequence valve
单选题
The symbol (GB786√1-93) at right side represents （）
A
overflow valve
B
reducing valve
C
relief valve
D
sequence valve
参考解析
解析：
暂无解析
相关考题：
Passerby 1:______. Is there a petrol station?Passerby 2: Turn left at the end of this road. It's on your right hand side.
Vessel propellers are classified as being right hand or left hand.A right hand propeller turns clockwise when viewed from______.A.the bowB.the sternC.the port sideD.the starboard side
-Give out two head lines, one from each side! -All right. Here （）.A、you goB、they goC、I goD、she go
On which side shall I rig the pilot ladder? （）A、On deck.B、On right side.C、On starboard.D、On left side.
The port side and starboard side are the left side and right side of a ship when facing bow. （）A、在面对船头的情况下，左舷和右舷是船舶的左右側。B、当你面朝船首，左右舷是船舶的左右边。C、A+BD、如果你面向船尾，左右舷是船舶的左右边。
On which side do you want the pilot ladder rigged?（）A、A . On right.B、B. On left.C、C. On starboard.D、D. On quarter.
On which side shall we get alongside the wharf?（）A、On port side .B、On right side.C、On left side.D、On deck.
单选题That half of the hurricane to the right hand side of its track (as you face the same direction that the storm is moving) in the Northern Hemisphere is called the（）.Awindward sideBleeward sideCsafe semicircleDdangerous semicircle
单选题Vessel propellers are classified as being right hand or left handA right hand propeller turns clockwise when viewed from（）.Athe bowBthe stemCthe port sideDthe starboard side
单选题The symbol ☆ represents one of the fundamental arithmetic operators：+, -, ×, or ÷. If (x☆y)÷(y☆x)=1 for all positive values of x and y, then ☆ can represent ______.A+ onlyB÷onlyC+ or × onlyD- or × onlyE+, -, ×, ÷
单选题On which side shall we get alongside the wharf?（）AOn port side .BOn right side.COn left side.DOn deck.
单选题Sidewise force of the propeller tends to throw a vessel’s stern to the right or left，depending on rotation. This force is caused by（）.Aback current from the rudderBgreater pressure on the right or left side of the propeller，depending on rotationClower pressure on the right or left side of the propeller，depending on rotationDtorque from the velocity and angle at which the surrounding water impinges upon the propeller blades
单选题The port side and starboard side are the left side and right side of a ship when facing bow. （）A在面对船头的情况下，左舷和右舷是船舶的左右側。B当你面朝船首，左右舷是船舶的左右边。CA+BD如果你面向船尾，左右舷是船舶的左右边。
单选题-Give out two head lines, one from each side! -All right. Here （）.Ayou goBthey goCI goDshe go
单选题The symbol (GB786√1-93) at right side represents （）Aoverflow valveBreducing valveCrelief valveDsequence valve
单选题Which one of two crossing power-driven vessels has the right of way in a fog（）.ABoth vesselsBNeither vesselCThe vessel on portsideDThe vessel on starboard side
单选题If you take a bus in a big city in China, you should sit _____.Aon the left side in the busBon the right side in the busCin the middle of the busDat the back of the bus
单选题When checking the liquid level in a tank, you should position yourself （）.Aon the windward side of the openingBon the leeward side of the openingCat a right angle to the wind directionDso that the obstruction of your body will protect you from the fumes
单选题Why is a woman better at learning foreign languages than a man?AThe area of the left side of a woman’s brain for language learning develops better than that of a man’s.BThe right side of a woman’s brain for language develops better than that of a man’s.CThe area of the left side of a woman’s brain for feelings develops better than that of a man’s.DThe area of the right side of a woman’s brain fit for seeing in the dark develops better than that of a man’s.
单选题Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? （）AFlashingBQuick flashingCComposite group flashingDEqual interval (isophase)
单选题You are landing a single-screw vessel，with a right-hand propeller，starboard side to the dock.When you have approached the berth and back the engine，you would expect the vessel to （）.ALose headway without swingingBTurn her bow toward the dockCTurn her bow away from the dockDHead into the wind，regardless of the side the wind is on
单选题It’s all right to rig the pilot ladder on lee side （）.Ato allow port Authorities to boardBallowing port Authorities to boardCto allow port Authorities boardingDallowing port Authorities to be boarded
单选题On which side shall I rig the pilot ladder? （）AOn deck.BOn right side.COn starboard.DOn left side.
单选题If an inflatable liferaft inflates upside down，you can right it by（）.Apushing up on one sideBstanding on the CO2 bottle，holding the bottom straps，and throwing your weight backwardsCgetting at least three or four men to push down on the side containing the CO2 cylinderDdoing nothing; it will right itself after the canopy supports inflate