The heading of a vessel is indicated by what part of the compass? （）

A . If the quadrantal spheres are out as far as possible replace them with smaller spheres B . If the quadrantal spheres are in as far as possible remove one of the spheres C . If the quadrantal spheres are in as far as possible replace them with smaller spheres D . If the quadrantal spheres are out as far as possible，move the quadrantal spheres i

A . Certificate of Inspection B . Classification Certificate C . Loadline Certificate D . Certificate of Documentatio

A . the relief valve should open before the high pressure cutout B . the relief valve should open and allow the excess refrigerant to flow to the receiver C . the high pressure cutout switch should operate before the relief valve opens D . you should close in on the suction valve

A . at small angle B . at large angle C . at right angle D . in same direction a

A . kg B . MPa C . meter fluid column D . None of the above is true

A . Steady B . Meet her C . Midships D . Stop engine

A . Move the quadrantal spheres closer to the compass B . Raise the heeling magnet if the red end is up C . Remove some of the Flinders bar D . Raise or lower the athwartship magnet

A . 60° B . 135° C . 180° D . 360&deg

A . Add ballast in the afterpeak B . Add ballast forward C . Alter course D . Reduce speed

A . If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should add some magnets. B . If the blue ends of the magnets are aft you should lower the fore-and-aft tray C . If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should reverse the magnets D . If the blue ends of the magnets are forward，and the fore-and-aft tray is at the bottom，you should add some magnet

A . If the quadrantal spheres are all the way out，replace them with smaller spheres B . If the quadrantal spheres are all the way in，replace them with larger spheres C . If the quadrantal spheres are all of the way out，move the spheres in D . If the quadrantal spheres are all the way out，replace them with larger spheres.

A . stop her engines B . alter course to starboard C . sound the danger signal D . back dow

A . the center of volume of the immersed portion of the vessel B . the center of gravity of the water plane C . that point at which all the vertical downward forces of weight are considered to be concentrated D . that point at which all the vertical upward forces of buoyancy are considered to be concentrated

A . Bow to the sea and no way on your vessel B . Sea on the lee quarter with ship moving ahead slowly C . Sea on the weather bow and ship moving ahead slowly D . Sea on the quarter with sternway on the shi

A . compass error B . variation C . magnetic dip D . deviatio

A . into the wind B . away in fire and smoke C . directly to the standby boat D . directly to the nearest land

A . Effect of the propeller flow on the rudders B . Water flow due to the vessel's movement through the water C . Tunnel affect of the water flow past opposing rudders D . Discharge current being channeled to impinge on the vessel's deadwood

A . about which the vessel lists and trims B . which coincides with the center of buoyancy C . which，in the absence of external forces，is always vertically aligned with the center of gravity D . which is shown in the hydrostatic tables as VCB

A . center of buoyancy B . center of flotation C . uncorrected height of the center of gravity of the vessel D . center of gravity of the vessel corrected for free surface effect

A . kg B . MPa C . mH20 D . None of the above

B、prime minister C、Governor-general D、senator