The engine（）smoke and steam.

1、James Watt（）the steam engine.

James Watt（）the steam engine.Awas inventingBinventedChad inventedDhas invented

2、The engine has broken and the boat is（

The engine has broken and the boat is（）on the water.AflowingBfloatingCdriftingDsailing

3、The duty officer and engineer should o

The duty officer and engineer should obey regulation for the speed of the M-E that established by （）AcaptainBchief engineerCchief engineer and captain consult togetherDchief engineer and superintend consult together

4、Distress flares and smoke signals for

Distress flares and smoke signals for small passenger vessels（）.Aare not required aboard vessels on runs of less than 30 minutes durationBmust...

5、Between the steam dram and the smaller

Between the steam dram and the smaller water dram below, large numbers of smaller diameter （） tubes are fitted.AfireBwater wallCgeneratingDdown comer

6、Steam smoke will occur when（）.

Steam smoke will occur when（）.Aextremely cold air from shore passes over warmer waterBwarm dry air from shore passes over cooler waterCcold ocean water evaporates into warm airDcool rain passes through a warm air ma