To correct the condition of slugging and flooding back in a refrigeration system, it may be necessary to ().
- Are-adjust the discharge pressure
- Bclean the expansion valve screen
- Cadd refrigerant
- Dadjust the expansion valve
To correct the condition of slugging and flooding back in a refrigeration system, it may be necessary to ().
1、The correct phase rotation of a three-
The correct phase rotation of a three-phase alternator can be checked with a()AdynamometerBpower factor meterCthree-phase motorDpolyphase voltmeter
2、()refers to the tendency of a body of
()refers to the tendency of a body of the ship to return to its original position after it is displaced therefrom.AStabilityBResponsibilityCLiabilityDVisibility
3、The correction to be applied to a Lora
The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found().Aon loran charts covering areas...
4、The proper way to correct a mistake in
The proper way to correct a mistake in the logbook is to().Aerase the entry and rewriteBdraw several lines through the entry,rewrite,and ini...
5、In the event of a fire, the doors to a
In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by ().AconvectionBconductionCradiationDventilatio
6、Which of the following is a correct st
Which of the following is a correct statement about how the user environment is configured at login?()A If present, the settings in the $HOM...