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輪機英語船舶電氣與船舶安全單項選擇題每日一練(2019.01.13)

單項選擇題
Broken intake valve springs on one cylinder of a diesel engine can cause the engine to （）
A.Over speed
B.fire improperly
C.lose oil pressure
D.overheatrapidly
單項選擇題
Lubricating oil systems are fitted with a wide variety of strainers some of which can be cleaned in site while others have replaceable cartridgesThe bold and italic word “which” means （）.
A.lubricating oil
B.lubricating oil systems
C.strainers
D.cartridges
單項選擇題
A variable displacement system of hydraulic drives consists of （）.
A.a variable displacement axial piston pump
B.a constant displacement axial piston pump
C.a reciprocating piston pump
D.a centrifugal pump
單項選擇題
（）is used to control, modulate, monitor and protect generator set.
A.Control panel
B.Load panel
C.Paralleling panel
D.Busbar
單項選擇題
Internal combustion engine crankcase vent outlets must be equipped with （）
A.hinged rain guards
B.corrosion resistant flame screens
C.dipsticks for measuring oil levels
D.crankcase ventilation fans

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