Early indications of the approach of a hurricane may be all of the following EXCEPT().
A、short confused swells
B、gradually increasing white clouds (mare's tails)
C、pumping barometer
D、continuous fine mist-like rain
A、short confused swells
B、gradually increasing white clouds (mare's tails)
C、pumping barometer
D、continuous fine mist-like rain
A、Loss of engine power and high exhaust temperatures B、Higher than normal firing pressure and low exhaust temperatures C、High fuel consumption and high exhaust temperatures D、Lower than normal compression pressure and high exhaust temperature
A、last part of the exhaust stroke, and the first part of the intake stroke B、last part of the intake stroke only C、early part of the injection stroke only D、early part of the power stroke
A、length of the boom B、angle of the boom C、lifting capacity of the boom D、direction of the boom
A、effectiveness of water-cooled exhaust elbows B、distribution of the load between engine cylinders C、amount of fuel penetration into the engine cylinders D、indicated horsepower of the engine cylinders
A、Indicated exhaust pressure readings will increase B、Pyrometer responses will be retarded C、Indicated cylinder temperature readings will increase D、Indicated firing pressure readings will increase
A、the capital of the United States B、the center of Harlem Renaissance C、the center of knickerbockers D、None of the above
A、A.corrosive deterioration of a bearing B、B.inadequate air filtration C、C.excessive ring and liner wear D、D.excessive cooling of lubricating oil
A、Emergency Position Indicating Radar Buoy B、Electronic Pulse Indicating Radiobeacon C、Emergency Position Indicating Radiobeacon D、None of the above