A sight glass is installed in the liquid line to indicate the condition of the refrigerant charge and may also indicate the （）.
1、A liquid indicator sight glass is usef
A liquid indicator sight glass is useful in determining whether or not a refrigeration system is sufficiently chargedIt is generally located in the（）.Ahigh pressure liquid lineBlow pressure liquid lineChigh pressure vapor lineDlow pressure vapor line
2、The demisters installed in a flash-typ
The demisters installed in a flash-type evaporator serve to （）Adeaerate the first effect distillateBfilter the condensed flash vaporsCdeaerate the first and second effect distillateDremove small water droplets entrained in the flashed vapor
3、A vessel is “in sight” of another vess
A vessel is “in sight” of another vessel when（）.Ashe can be observed by radarBshe can be observed visually from the other vesselCshe can be plotted on radar well enough to determine her headingDher fog signal can be heard
4、The device, which is installed in the
The device, which is installed in the compressor suction line to prevent liquid from entering the compressor when hot gas defrosting, is called a（）Are-evaporatorBreceiverCdehydratorDsolenoid
5、The steering oar in a lifeboat is（）.
The steering oar in a lifeboat is（）.Ashorter than the othersBused for the stroke oarCused by the forward man in the boat to direct the bowDlonger than the others and should be lashed to the ster
6、A system administrator is in the proce
A system administrator is in the process of performing a preservation installation. However, the machine keeps booting up in diagnostic mode. Wh...