Logbooks are used to record the events occurring when（）.

A . reduce air charge turbulence B . induce air swirl C . deflect hot combustion gas away from the valves D . oppose the effects of piston induced squish

A . contain flammable fumes B . protect firefighters from flames C . prevent flames from entering tanks D . keep flames and sparks from getting out of an engine's exhaust system

A . line shaft bearings B . connecting rod beatings C . main bearings D . support bearing

A .  no congestion avoidance B .  not for bandwidth intensive applications C .  no guaranteed delivery mechanism D .  source sends multiple data streams out each interface

A . attorneys for opposition parties B . marine surveyors C . MSA officials D . All of the above

A . remove deviation on the intercardinal headings B . remove deviation on the cardinal compass headings C . remove heeling error D . compensate for induced magnetism in vertical soft iro

A . Wooden planks B . Rush mats C . Steel bars D . Wooden planks and rush mat

A . speed healing B . prevent infection C . reduce inflammation D . increase blood circulatio

A . butt welds B . seam welds C . fillet welds D . plate weld

A . Cargo winches B . Mooring winches C . Windlasses D . Cargo hatche

A . check cylinder lubrication prior to starting engine B . connect exhaust gas analyzers to determine engine efficiency C . pressure test cylinder heads to check for leaks D . remove moisture accumulations from cylinder prior to starting

A . check cylinder lubrication B . connect the pressure indicator pressure C . test cylinder heads D . connect the exhaust gas pyrometer

A . no congestion avoidance B . not for bandwidth intensive applications C . no guaranteed delivery mechanism D . source sends multiple data streams out each interface

A . protect the towline from chafing B . secure the end of the towline on the tug C . stop off the towline while retrieving it D . absorb shock loading on the towline

A Because bullocks have long been used by Indian people B Because bullocks walk slowly and are easy to control C Because there are few non-working bullocks in India D Because there is not enough oil in India

A．On Monday. B．On Wednesday. C．On Saturday. D．On Sunday.

A．the difficulty of handling the spyware. B．the concern of violating their children's privacy. C．worries of being discovered by their children. D．no easy access to the spyware.

A.show relationships B.illustrate trends C.indicate proportions