Keel coolers fouled with marine growth, will result in （）

A . increase the density of the cylinder air charge B . prevent turbocharger overheating C . liminate the need for a pre-cooler D . remove moisture from air compressed by the turbocharger

A . dozens B . parcels C . bundles D . gallo

A . oil B . sea water C . refrigerant D . fresh water

A . reduce the rolling of the vessel B . serve as the vessel's main strength member C . add strength to the bilge D . protect the vessel's hull when alongside a dock

A . oil B . sea water C . air D . fresh water

A . locates B . lies C . extends D . rest

A . Bypass the after-cooler to operate at speed B . Run at reduced speed until the cooler can be repaired or renewed C . Switch to diesel fuel and run at full speed D . Nothing need to be done due to the low heating value of heavy fuel

A . allow filtration of less viscous oil B . decrease the pressure drop across the filter C . improve overall filtration D . all of the above

A . connections between forebody and afterbody are most crucial B . of maximum longitudinal bending moments C . of severest racking stresses D . resistance to grounding is at a maximum amidshi

A . draft and beam of the ship B . displacement and deadweight of the ship C . buoyancy and trim of the ship D . tonnage and deadweight of the shi

A . Send the wiper into the well with only a scoop and pail B . Remove the bilge manifold valve and attempt to back flush the line C . Simultaneously operate all available bilge pumps D . It is only necessary to transfer half the contents of a drum of degreaser into the bilge well

A . FDMU的下游 B . FDMU的上游 C . 在FPMU的齿轮泵和离心泵之间

A . at B . in C . on D . above

A . at each frame B . amidships C . one-third the distance from the bow D . one-third the distance from the ster

A . we B . me C . I D . my

A . Sheer strake B . Gatewood strake C . Insulation strake D . Garboard strake

W: After two sleepless nights, I'm finally through with it. Q: What do we learn from this conversation？ (15) A．Neither the man nor the woman has finished the assignment yet. B．The man thinks the paper is easy. C．The woman thinks the paper is easy. D．Both the man and the woman think the paper is hard.

W: Oh, Tom. It's my landlady again. M: You're always in trouble. What is it this time？ W: You see, she left a note for me. Just read it. M: Well, did you leave the front door open？ W: I honestly don't remember. I got back late from a party. Anyway, what does it matter？ It's all complaints in that house: first noise, then bathroom. M: Well, in that case, why don't you look around for another place？ W: I've already started. I looked in the paper this morning, plenty of advertisements as usual, but must of the places are too far from school. M: Look, why don't you come and share with us？ W: But surely there are four of you in the flat already, aren't there？ M: Yes, but, you know, Jane is leaving at the end of the month. She's got a job down south. There will be a spare room. It's rather small, but you can sleep there for the moment till you find a nice one. W: That's a good idea. How many rooms do you have？ M: We have four bedrooms and a big living room. W: What are the arrangements？ M: Oh, we share all expenses, of course, rent, light, and heating. W: What about ford？ M: Oh, we each buy our own. It works out fine that way. And you can do any thing you like in your own room, but there is one thing... W: what's that？ M: Don't leave the front door open. Strange people may wander in. W: All right. I promise that won't happen again. By the way, when is Jane leaving？ M: Let me see... yes, this time next week. W: Today is the 22nd, Tuesday, so she's leaving on the 29th. Well, I will move in one day after she leaves. M: Yes, no problem. We will get ready by then. W: Thanks a lot. M: You're welcome. (27) A．Her difficulties at her house. B．Finding a place to live. C．The parties she went to. D．Her friend's house.