On small, low pressure, air compressors, the cylinders are usually lubricated by the ().
A、splash method
B、mechanical force feed lubricators
C、detached sump method
D、internal cooling passages in the crankshafts and connecting rods
A、splash method
B、mechanical force feed lubricators
C、detached sump method
D、internal cooling passages in the crankshafts and connecting rods
A、Magnetic compass table B、Magnetic meridians C、Isogonic lines D、Variation is not indicated on small-scale nautical charts
A、Magnetic compass table B、Magnetic meridians C、Isogonic lines D、Variation is not indicated on small-scale nautical charts
A、A.low and rocky with scattered small pine trees B、B.a low lying wetland C、C.a high sandy bluff D、D.a flat wooded plain
A、a hard sand shoal marked with a light B、completely submerged at all stages of the tide C、surrounded by rocks awash at low water spring tides D、a small,low,sandy islet surrounded by shoal water
A、A.Low oxygen alarm B、B.Low pressure alarm C、C.Scrubber high water level alarm D、D.Deck seal low water alarm
A、leaky discharge valves on the LP cylinder B、leaky discharge valves on the HP cylinder C、insufficient intercooler cooling D、low ambient air pressure