Grease coatings on electrical contact surfaces increase contact resistance and should be removed with a/an ().
A、small wire brush
B、compressed air jet
C、clean dry cloth
D、10% solution carbon solvent and water
A、small wire brush
B、compressed air jet
C、clean dry cloth
D、10% solution carbon solvent and water
A、replace all bearings regardless of length of service B、apply a heavy coat of oil to all mating surfaces C、clean any corroded surfaces and file all burrs smooth D、coat all parts with alemite <em>greaseem>
A、more slack in the mooring lines B、a strain <em>onem> the mooring lines C、chafing gear <em>onem> the mooring lines D、<em>greaseem> <em>onem> the mooring lines
A、more slack in the mooring lines B、a strain <em>onem> the mooring lines C、chafing gear <em>onem> the mooring lines D、<em>greaseem> <em>onem> the mooring lines
A、The principal protective coating is paint. B、The principal protective coating is cement wash. C、The principal protective coating is bitumen. D、The principal protective coating is varnish.