Poor packing will cause much trouble（）

1、Which will cause the high pressure cut

Which will cause the high pressure cutout to stop the compressor in a R-22 system?（）ACondenser leakageBA shortage of liquid refrigerantCExcessive frost on the evaporatorDNot enough condenser cooling water

2、I regret（）the trouble I have caused yo

I regret（）the trouble I have caused you.AtoBatCforDo

3、Which will cause a wire rope to fail（）

Which will cause a wire rope to fail（）.AUsing a medium graphite grease as a lubricantBOperating a winch too slowCUsing a sheave with an undersized throatDA sheave diameter of 24 times the wire's diameter

4、A right-handed propeller will cause th

A right-handed propeller will cause the survival craft to（）.Awalk the stern to starboard in reverseBwalk the stern to port in reverseCrun faster than a left-handed propellerDright itself if capsized

5、Poor Richard.s Almanac contained（）.

Poor Richard.s Almanac contained（）.Amany proverbs　BFranklin.s autobiographyCvoyages to the new land　Dclimates and cro

6、The major cause of trouble in a mechan

The major cause of trouble in a mechanical-hydraulic governor is contamination of the hydraulic fluid by （）AdirtBfuel oilCgovernor cooling waterDfuel oil tar