The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is()
- Athe rotate speed fluctuation
- Bthe ventilation tube clogged
- Cthe main engine accelerate so fast
- Dstormy wave
The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is()
1、Water lubricated tailshaft bearings we
Water lubricated tailshaft bearings wear,()Athe after one is more than forward oneBthe forward one is more than after oneCthe forward one is the same with after oneDit depends on the type of engine
2、As to the bearing, of the following, w
As to the bearing, of the following, which statement is not true?()Aff overheat is found, the engine must be stopped for inspectionBMuch heat...
3、The purpose of the deck seal in an ine
The purpose of the deck seal in an inert gas system is to prevent().Aflammable vapors from entering machinery spaceBflue gas escaping to atmosphereCinert gas escaping to atmosphereDair entering inert gas system
4、The size of ball and roller bearings c
The size of ball and roller bearings can be identified by the ().Arolling member sizeBinner race cone widthCmanufacturers numerical codeDouter ring width
5、Because of the high loads the bearing
Because of the high loads the bearing material is a tin- aluminum alloy bonded to a steel shellThe crosshead pin is highly polished to a ().Aflat surfaceBmirror finishCsloping surfaceDinclined surface
6、The deck water seal of the inert gas s
The deck water seal of the inert gas system().Acools the inert gas and prevents soot from entering the cargo tanksBacts as an emergency syst...