Flames from small leaks of LFG may be extinguished by().
- Autilizing carbon dioxide or dry chemical fire extinguishers
- Butilizing soda and acid fire extinguishers
- Cblowing the flames out
- Dletting it burn itself out
Flames from small leaks of LFG may be extinguished by().
1、Switchboards may be of the dead-front
Switchboards may be of the dead-front type in which all live parts are installed behind () and only the operation handles and instruments are on the front.Athe capstanBthe collectorCthe panelsDthe surface
2、The change in trim of a vessel may be
The change in trim of a vessel may be found by().Adividing the trim moments by MT1Bsubtracting the LCF from the LCBClooking at the Hydrostatic Properties Table for the draft of the vesselDdividing longitudinal moments by the displacement
3、Risk of collision may be deemed to exi
Risk of collision may be deemed to exist().Aif the compass bearing of an approaching vessel does not appreciably changeBeven when an appreciab...
4、Initial stability of a vessel may be i
Initial stability of a vessel may be improved by().Aremoving loose waterBadding weight low in the vesselCclosing crossover valves between partly filled double bottom tanksDAll of the above
5、Cracks may be prevented from developin
Cracks may be prevented from developing at the corners of welded plating inserts by().Asquaring the cornersBrounding the cornersCplug welding the cornersDslot welding the corner
6、A tug may be in danger of tripping whe
A tug may be in danger of tripping when().Atowed sideways by an overwhelming force on the towlineBher tow moves parallel to and forward on either side of the tugCthe tow is no longer directly astern but moves up on her quarterDAll of the above