A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles of（）.

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 . be shielded from direct sunlight B . be locked into a constant heading C . have any air bubbles replaced with nitrogen D . have the compensating magnets removed

A . fore-and-aft and athwartships magnets B . dip needle and heeling magnet C . heeling magnet and Flinders bar D . Flinders bar and quadrantal sphere

A . geographic pole and the magnetic pole B . lubber's line and true north C . horizontal and the magnetic line of force D . compass heading and the magnetic heading

A . zero B . equal to variation C . eliminated by adjusting the compass D . constant at any geographical locatio

A . the horizontal component of the permanent magnetism B . deviation caused by the vessel's inclination from the vertical C . induced magnetism in the horizontal soft iron D . induced magnetism in the vertical soft iro

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 . 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 . aeration of the oil B . contamination of the oil C . pump cavitation D . spongy actuator movement

A . increases B . remains the same C . decreases D . is unimportant and may be neglected

A . nonmagnetic B . weatherproof C . corrosion resistant D . capable of being permanently affixed to the vessel

A . Flinders bar B . Soft iron spheres C . Fore-and-aft permanent magnets in their trays D . Heeling magnet

A . permanent magnetism B . subpermanent magnetism C . induced magnetism D . variable magnetism

A . deviation B . variation C . local attraction D . All of the above

A . Compass error and variation are equal B . Compass north will be true north C . Variation will equal deviation D . There will be no compass error

A . Gray lines on the uppermost inset chart B . Red lines on the main body of the chart C . In parenthesis on the lines of equal magnetic variation D . Annual rate of change is not show

A . decrease the time required between cleanings B . removes all large and small foreign objects C . ensure a positive flow of oil at all times D . ensure that all lube oil has been treated twice

A . holed B . fouled C . clean D . dry

A . hoisting cargo aboard a vessel B . hoisting personnel aboard a vessel C . securing a small boat to a large vessel D . hoisting the anchor

A、overtake B、fix C、highlight D、suspend

A.Use a text editor to open C:\windows\security\logs\Backup.log. Search for the dates when backups were scheduled. B. Start the Backup utility by using the Run As option. Provide the account credentials of BackupUser. From the Tools menu, select Report, and then select the most recent report. C. Open the Removable Storage snap-in. Examine the properties of the most recently completed Work Queue object. D. Open the Removable Storage snap-in, and then open the properties of the Operator Requests object. On the General tab, clear the Automatically delete completed requests option

A．praise a girl&39; s beauty B．admire a girl&39; s youth C．show a girl&39; s shy D．curse a girl