A slow,gradual fall of the barometer indicates approaching().
- Agale force winds within 12 hours
- Bblizzard conditions
- Cdeteriorating or unsettled weather
- Dheavy,wind driven rai
A slow,gradual fall of the barometer indicates approaching().
1、A slow and easy motion of a vessel in
A slow and easy motion of a vessel in a seaway is an indication of a().Asmall GMBlow center of gravitCstiff vesselDlarge GZ
2、The pressure head of a pump is given i
The pressure head of a pump is given in the unit of ().AkgBMPaCmeter fluid columnDNone of the above is true
3、If the cause of a sudden severe list i
If the cause of a sudden severe list is negative initial stability,counterflooding into empty tanks may().Aincrease the righting momentBcause a...
4、A rapid rise or fall of the barometer
A rapid rise or fall of the barometer indicates().Aheavy rain within six hoursBa decrease in wind velocityCa change in the present weather conditionsDthat fog will soon set i
5、Swell is the rise and fall of the ocea
Swell is the rise and fall of the ocean’s surface due to().AfetchBdistant windsClocal stormsDthe pull of the moo
6、A gradual decrease in the discharge pr
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by ().Athe four-way control valve failing to shiftB...