()the moveable plate and floating ring inside the pump is very difficult.
- AHaving adjusted
- BBeing adjusted
- CTo adjust
- DAdjusted
()the moveable plate and floating ring inside the pump is very difficult.
1、If the gas pressure behind the ring is
If the gas pressure behind the ring is built up too slowly, and thereby exerts an inadequate outward pressureIn such a case, the combustion g...
2、The purpose of the wearing rings used
The purpose of the wearing rings used in a centrifugal pump is to ().Aprevent an internal explosion in the pump when it is overheatedBenable...
3、The joint formed when two steel plates
The joint formed when two steel plates are placed end-to-end is called a().AbevelBseamCbuttDbond
4、The film of oil between the rings and
The film of oil between the rings and the liner is not only essential for the lubrication but also plays an important part in achieving ().Aan oil sealBremoving heatCa gas sealDcooling the pisto
5、FLOATING,CAUSED BY WINDS AND CURRENT W
FLOATING,CAUSED BY WINDS AND CURRENT WITH A DETERMINABLE DIRECTION defines().AFloatingBSailingCDriftingDRunning into danger
6、The bottom row of plating next to the
The bottom row of plating next to the keel of a lifeboat is known as the().Asheer strakeBbilge strakeCgarboard strakeDkeel ri