A little ()may cause great damage or loss.
A、care
B、careless
C、carelessness
D、careful
A、care
B、careless
C、carelessness
D、careful
A、fouled tubes in shell and tube condenser B、too little or too warm condenser water C、air or non-condensable gas in system D、overcharge of refrigerant
A、is usually below the center of gravity and has little effecton stability B、will cause water on deck to pocket and increase stability C、may decrease stability by increasing free surface effect due to water on deck D、increases the effective freeboard and increases thewind-heel affect
A、The lines may jam and then jump off the gypsyhead B、If there is sudden strain on the line,the man tending the line may be pulled into the gypsyhead C、The lines' surging may cause the vessel to surge D、The heat generated may cause the lines to temporarily fuse to the gypsyhead
A、bilge water may enter the exhaust pipe B、entry of air may cause vapor lock C、carbon monoxide may enter the interior of the vessel D、the joint gaskets may be blown
A、A.insufficient fuel supply B、B.faulty governor C、C.high exhaust back pressure D、D.all of the above may cause this problem
A、the lantern panes of unattended lights may not become covered with ice or snow B、the lantern panes of unattended lights may become covered with ice or snow C、ice or snow is likely caused colored D、the white lights are likely caused to appear colored