Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?A.Corrosion and eventual failure of the tankB.Gumming of the tank relief valvesC.Immediate failure of components downstream of the compressed air systemD.Boiling of the water oil mixture as pressure is reduced
Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?
A.Corrosion and eventual failure of the tank
B.Gumming of the tank relief valves
C.Immediate failure of components downstream of the compressed air system
D.Boiling of the water oil mixture as pressure is reduced
相关考题:
--Must we finish our homework now? --No, you ______. You _______ finish it after school. A.needn't , mayB.mustn't , mayC.can't , canD.needn't , must
“Must I finish my homework now?” “No, you() . But you() finish it this evening. ” A. mustn’ t…mustB. needn’ t…mustC. can’ t…canD. can’ t…must
22.In the daytime, when you dive in the sea, you ________A. can see everything green and blueB. can- t be in dangerC. can catch nothingD. can't see anything clearly
This is very important. You_____remember to shut down your computer everyevenlng。A. oughtB. needC. mustD. can
You ( ) Jenny at the meeting this morning because she left for Hong Kong last night. A、wouldn’t have seenB、shouldn’t have seenC、mustn’t have seenD、can’t have seen
You’re going to have a quiz ( )by another two in the ( )month. A. followed,followedB. followed,followingC. following,followedD. following,following
Must I stay at the office this afternoon? ---No, you ______.A、don’tB、needn’tC、don’t needD、can’t
—_______ I return the book to the library this week?— No, you _______.You can keep it until the end of this month. A.Must; needn’tB.Can; can’tC.May; mustn’tD.Can; mustn’t