Large pipes or （） are fitted between t

1、Lubricating oil systems are fitted wit

Lubricating oil systems are fitted with a wide variety of strainers some of which can be cleaned in site while others have replaceable cartrid...

2、A single fitting installed in a pipeli

A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.Ablind flangeBpivot couplingCquick-release couplingDspectacle flange

3、For what purpose are the diving pipes

For what purpose are the diving pipes used?A To absorb heat from the sun.B To store heat for future use.C To turn solar energy into heat energy.D To carry heat down below the surface.

4、Pipes made of plastic are now widely u

Pipes made of plastic are now widely used in building as they are light and do not become （）in water.AripeBinstantCrottenDmature

5、What are the major goods moved in pipe

What are the major goods moved in pipeline transport? （）ANatural gasBCrude oilCwaterDA, B and C

6、A deck fitting，used to secure line or

A deck fitting，used to secure line or wire rope，consisting of a single body with two protruding horns is called a（）.AbittBbollardCcapstanDcleat