After reading this passages you probably have got the impression that

A:Denny moves quite fast. B:Denny moves both in corridors and up and down stairs. C:Denny's voice warns at regular intervals while patrolling. D:Denny moves quite slowly.

Cooling of engine is achieved by circulation a cooling liquid around internal passages within the _____.

A:boiler B:heater C:engine D:cooler

Cooling of engines is achieved by _____ a cooling liquid around internal passages within the engine.

A:flowed B:flowing C:mixing D:circulating

Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the _____.

A:main bearings B:connecting rod bearings C:piston pin bushings D:All of the above

Cocks and valves control or interrupt flow, and have internal passages arranged so that they can be restricted or closed: in cocks, by rotating the plug, and in valves, by lowering, raising or rotating a disc in relation to a seating surfaceAccording to the above sentence, which of the following statements is not true?

A:Flows of fluids can be restricted by both cocks and valves B:There are seats in the internal passages of valves C:A disc of valve only moves up and down D:We can infer that there is a bore in cock ping

To prevent accidents from occurring, special valve chests are used in such cases in which interchangeable blanks and connecting passages are incorporatedThe bold and italic word “which ” means _____.

A:accidents B:special valve chests C:interchangeable blanks D:connecting passages

"______ is not contained in Ocean Passages for the WorldNP13

A:Details of weather B:Currents appropriate to the routes C:Ice hazards appropriate to the routes D:Tonnage measurement"

"Ocean Passages for the WorldNP136is updated by______．

A:Weekly NW B:Weather Routeing C:circulars from IMO D:certain notes"

"Part I of Ocean Passages for the World gives______．

A:routes used in the past by sailing ships B:routes for powered vessels C:supplements D:useful information on Load Line Rules, Weather Routeing, etC"

"Contained in the Ocean Passages for the World（NP136）is also the information linking the volumes of

A:Admiralty Notices to Mariners B:Sailing Directions C:Load Line Rules D:Weather Routeing