A refrigerant with oil in solution has a （）.
1、In a compression refrigeration plant t
In a compression refrigeration plant the refrigerant flows from the expansion valve and through the （） where it absorbs heat from the space being cooled and becomes a gas or vapor.AcompressorBcondenserCthrottle valveDevaporator
2、Foaming of the oil in a refrigeration
Foaming of the oil in a refrigeration compressor crankcase is caused by （）.Arefrigerant boiling out of solution from the lube oilBliquid refri...
3、In which solution is a router ACL used
In which solution is a router ACL used?（）A protecting a server frome unauthorized accesB controlling path selection,based on the route metricC reducing router CPU utilizationD filterring packets that are passing through a router
4、CIP has something in common with CIF.
CIP has something in common with CIF. However, there are still some differences which makes CIP more suitable for the export business of an inland place. （） is suitable for any mode of transport.AFOBBCIFCCIPDCFR
5、When a refrigeration compressor has de
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.Aincrease the amount...
6、A vessel has been equipped with an oil
A vessel has been equipped with an oil lubricated stern bearing and is undergoing a routine dry-dock.Which of the following inspection should b...